LINUX Clouds

Q: How to take snapshot: A: [root@islpfdbldkvm2 ~]# qemu-img info  /home/Vms/SLES_11_SP0_PSMB_BKP2/SLES11_SP0_BKP2.img                                             image: /home/Vms/SLES_11_SP0_PSMB_BKP2/SLES11_SP0_BKP2.img file format: raw virtual size: 1.0T (1073741824000 bytes) disk size: 21G [root@islpfdbldkvm2 SLES_11_SP0_PSMB_BKP2]# qemu-img create -f qcow2 -b SLES11_SP0_BKP2.img SP0-snapshot.img Formatting 'SP0-snapshot.img', fmt=qcow2 size=1073741824000 backing_file='SLES11_SP0_BKP2.img' encryption=off cluster_size=65536 [root@islpfdbldkvm2 SLES_11_SP0_PSMB_BKP2]# qemu-img info SP0-snapshot.img image: SP0-snapshot.img file format: qcow2 virtual size: 1.0T (1073741824000 bytes) disk size: 148K cluster_size: 65536 backing file: SLES11_SP0_BKP2.img

$ lspv -size NAME            PVID                                SIZE(megabytes) hdisk0          00c7ed34a649c11b                    140013 hdisk1          00c7ed34fe3395ee                    140013 hdisk2          00c7ed34956f9a40                    140013 hdisk3          00c7ed3408b1659e     ...