一个50g的磁盘，用了13分钟
INFO: starting new backup job: vzdump 111 --node cu-pve04 --mode snapshot --compress lzo --storage kycfs --remove 0
INFO: Starting Backup of VM 111 (qemu)
INFO: Backup started at 2019-05-11 20:38:50
INFO: status = running
INFO: update VM 111: -lock backup
INFO: VM Name: cu-app-111
INFO: include disk 'scsi0' 'kycrbd:vm-111-disk-0' 50G
INFO: backup mode: snapshot
INFO: ionice priority: 7
INFO: creating archive '/mnt/pve/kycfs/dump/vzdump-qemu-111-2019_05_11-20_38_50.vma.lzo'
INFO: started backup task '3ee56f73-81c2-4638-9c61-8797fe556c95'
INFO: status: 1% (666894336/53687091200), sparse 1% (569700352), duration 3, read/write 222/32 MB/s
INFO: status: 3% (2021654528/53687091200), sparse 3% (1921818624), duration 6, read/write 451/0 MB/s
INFO: status: 6% (3472883712/53687091200), sparse 6% (3373047808), duration 9, read/write 483/0 MB/s
INFO: status: 9% (4852809728/53687091200), sparse 8% (4752973824), duration 12, read/write 459/0 MB/s
INFO: status: 11% (6232735744/53687091200), sparse 11% (6132899840), duration 15, read/write 459/0 MB/s
INFO: status: 12% (6560677888/53687091200), sparse 11% (6346579968), duration 18, read/write 109/38 MB/s
INFO: status: 13% (6979321856/53687091200), sparse 12% (6660157440), duration 26, read/write 52/13 MB/s
......
INFO: status: 98% (52667875328/53687091200), sparse 96% (51553542144), duration 782, read/write 71/0 MB/s
INFO: status: 99% (53175386112/53687091200), sparse 96% (52061052928), duration 789, read/write 72/0 MB/s
INFO: status: 100% (53687091200/53687091200), sparse 97% (52572758016), duration 796, read/write 73/0 MB/s
INFO: transferred 53687 MB in 796 seconds (67 MB/s)
INFO: archive file size: 601MB
INFO: Finished Backup of VM 111 (00:13:19)
INFO: Backup finished at 2019-05-11 20:52:09
INFO: Backup job finished successfully
TASK OK