multipath and DMSETUP errors and solution

By -
[root@GPFS2 ~]# lvs
  /dev/sdq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/vol_prod_installers/lv_prod_gluster_installers: read failed after 0 of 4096 at 3298526429184: Input/output error
  /dev/vol_prod_installers/lv_prod_gluster_installers: read failed after 0 of 4096 at 3298526486528: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sds: read failed after 0 of 4096 at 0: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sday: read failed after 0 of 4096 at 0: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sde: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509465088: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509522432: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580898304: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580955648: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 4096: Input/output error
  Couldn't find device with uuid MLfdrM-kZ3q-PLq1-nX5C-PcGy-7HbL-Ze95ys.
  LV      VG             Attr   LSize  Origin Snap%  Move Log Copy%  Convert
  lv_home vg_islpfdkvm99 -wi-ao  1.52t
  lv_root vg_islpfdkvm99 -wi-ao 50.00g
  lv_swap vg_islpfdkvm99 -wi-ao 65.05g
[root@GPFS2 ~]# dmsetup remove /dev/sdbl
Device sdbl not found
Command failed
[root@GPFS2 ~]# dmsetup remove /dev/sdp
Device sdp not found
Command failed
[root@GPFS2 ~]# dmsetup remove /dev/sdp lsscs^C
[root@GPFS2 ~]# lssubsys ^C
[root@GPFS2 ~]# lvchange -a -n /dev/vol_prod_installers/lv_prod_gluster_installers
  Invalid argument for --available: -n
  Error during parsing of command line.
[root@GPFS2 ~]# lvchange -^C-n /dev/vol_prod_installers/lv_prod_gluster_installers
[root@GPFS2 ~]# man lvchange
[root@GPFS2 ~]# lvchange -n /dev/vol_prod_installers/lv_prod_gluster_installers
lvchange: invalid option -- 'n'
  Error during parsing of command line.
[root@GPFS2 ~]# ^Cchange -n /dev/vol_prod_installers/lv_prod_gluster_installers
[root@GPFS2 ~]# dmsetup ls
vol_prod_mnt_hmc-lv_prod_gluster_mnt_hmc        (253:3)
vg_islpfdkvm99-lv_swap  (253:1)
vg_islpfdkvm99-lv_root  (253:0)
vol_prod_installers-lv_prod_gluster_installers  (253:2)
mpath6  (253:8)
mpath5  (253:6)
mpath4  (253:7)
vol_prod_home-lv_prod_gluster_home      (253:4)
vg_islpfdkvm99-lv_home  (253:5)
[root@GPFS2 ~]# dmsetup remove vol_prod_installers-lv_prod_gluster_installers
[root@GPFS2 ~]# dmsetup remove vol_prod_home-lv_prod_gluster_home
[root@GPFS2 ~]# dmsetup remove vol_prod_mnt_hmc-lv_prod_gluster_mnt_hmc
[root@GPFS2 ~]# dmsetup ls
vg_islpfdkvm99-lv_swap  (253:1)
vg_islpfdkvm99-lv_root  (253:0)
mpath6  (253:8)
mpath5  (253:6)
mpath4  (253:7)
vg_islpfdkvm99-lv_home  (253:5)
[root@GPFS2 ~]# vgscan
  Reading all physical volumes.  This may take a while...
  /dev/sdq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sds: read failed after 0 of 4096 at 0: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sday: read failed after 0 of 4096 at 0: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sde: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509465088: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509522432: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580898304: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580955648: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 4096: Input/output error
  Couldn't find device with uuid MLfdrM-kZ3q-PLq1-nX5C-PcGy-7HbL-Ze95ys.
  Found volume group "vgcluster" using metadata type lvm2
  Found volume group "vg_islpfdkvm99" using metadata type lvm2
[root@GPFS2 ~]# lvs
  /dev/sdq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdag: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdr: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdah: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdax: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sds: read failed after 0 of 4096 at 0: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sds: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdai: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sday: read failed after 0 of 4096 at 0: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sday: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdt: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sde: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sde: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdu: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdak: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdba: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509465088: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 1099509522432: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 0: Input/output error
  /dev/sde1: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdv: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdal: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbb: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdw: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdam: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbc: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdx: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbd: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdy: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdao: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbe: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558073344: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 5497558130688: Input/output error
  /dev/sdj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdz: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdap: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511562240: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 1099511619584: Input/output error
  /dev/sdk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaa: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaq: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbg: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023190016: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 2199023247360: Input/output error
  /dev/sdl: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdab: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdar: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbh: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580898304: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 37580955648: Input/output error
  /dev/sdm: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdac: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdas: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbi: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdad: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdat: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbj: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdo: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdae: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdau: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdbk: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdp: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdaf: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294901760: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4294959104: Input/output error
  /dev/sdav: read failed after 0 of 4096 at 4096: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 0: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949607424: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 42949664768: Input/output error
  /dev/sdbl: read failed after 0 of 4096 at 4096: Input/output error
  Couldn't find device with uuid MLfdrM-kZ3q-PLq1-nX5C-PcGy-7HbL-Ze95ys.
  LV      VG             Attr   LSize  Origin Snap%  Move Log Copy%  Convert
  lv_home vg_islpfdkvm99 -wi-ao  1.52t
  lv_root vg_islpfdkvm99 -wi-ao 50.00g
  lv_swap vg_islpfdkvm99 -wi-ao 65.05g
[root@GPFS2 ~]# dmsetup ls^C
[root@GPFS2 ~]# multipath -ll
mpath6 (3600a0b80006e19920000517652117cb9) dm-8 IBM,1818      FAStT
size=4.0G features='0' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:1:0  sdan 66:112 active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:0:0  sdo  8:224  active ghost  running
mpath5 (3600a0b80006e1992000067475010ca33) dm-6 IBM,1818      FAStT
size=2.0T features='0' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:1:3  sdi  8:128  active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:0:3  sdc  8:32   active ghost  running
mpath4 (3600a0b80006e1d2e0000b09e51fa2371) dm-7 IBM,1818      FAStT
size=35G features='0' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:7  sdg  8:96   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:7  sdm  8:192  active ghost  running
[root@GPFS2 ~]# /etc/init.d/multipathd restart
ux_socket_connect: Connection refused
Stopping multipathd daemon:                                [FAILED]
Starting multipathd daemon:                                [  OK  ]
[root@GPFS2 ~]# multipath -ll
mpath2 (3600a0b80006e1d2e000095d751ecc295) dm-2 IBM,1818      FAStT
size=5.0T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:4  sdd  8:48   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:4  sdj  8:144  active ghost  running
mpath1 (3600a0b80006e1d2e0000efc05010cb10) dm-4 IBM,1818      FAStT
size=5.0T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:2  sdb  8:16   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:2  sdh  8:112  active ghost  running
mpath0 (3600a0b80006e1d2e0000aa4c51f5d1b1) dm-9 IBM,1818      FAStT
size=1.0T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:5  sde  8:64   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:5  sdk  8:160  active ghost  running
mpath6 (3600a0b80006e19920000517652117cb9) dm-8 IBM,1818      FAStT
size=4.0G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:1:0  sdan 66:112 active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:0:0  sdo  8:224  active ghost  running
mpath5 (3600a0b80006e1992000067475010ca33) dm-6 IBM,1818      FAStT
size=2.0T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:1:3  sdi  8:128  active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:0:3  sdc  8:32   active ghost  running
mpath4 (3600a0b80006e1d2e0000b09e51fa2371) dm-7 IBM,1818      FAStT
size=35G features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:7  sdg  8:96   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:7  sdm  8:192  active ghost  running
mpath3 (3600a0b80006e1d2e0000efc95010cb62) dm-3 IBM,1818      FAStT
size=2.0T features='1 queue_if_no_path' hwhandler='1 rdac' wp=rw
|-+- policy='round-robin 0' prio=6 status=active
| `- 8:0:0:6  sdf  8:80   active ready  running
`-+- policy='round-robin 0' prio=1 status=enabled
  `- 8:0:1:6  sdl  8:176  active ghost  running
[root@GPFS2 ~]# dmsetup remove vol_prod_mnt_hmc-lv_prod_gluster_mnt_hmc

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