Ubuntu Hyper V与Linux来宾备份

谁能告诉我，在Hyper V中，虚拟机运行Ubuntu（ver 14.04 kernel 3.19.0-25-generic）时，备份虚拟机使用哪种软件/方法

实际上我们有这个错误，这会导致卸载文件系统并以只读模式重新启动

Mar 25 23:04:30 ns1 kernel: [836257.824269] sd 0:0:0:0: [storvsc] Sense Key : Unit Attention [current]
Mar 25 23:04:30 ns1 kernel: [836257.824308] sd 0:0:0:0: [storvsc] Add. Sense: Changed operating definition
Mar 25 23:04:30 ns1 kernel: [836257.824389] sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.
Mar 25 23:05:01 ns1 CRON[35998]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Mar 25 23:05:40 ns1 kernel: [836327.552853] sd 0:0:0:0: [storvsc] Sense Key : Unit Attention [current]
Mar 25 23:05:40 ns1 kernel: [836327.552873] sd 0:0:0:0: [storvsc] Add. Sense: Changed operating definition
Mar 25 23:05:40 ns1 kernel: [836327.552962] sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.

重新启动时

[1700789.820160] sd 0:0:0:0: Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.
[1701352.412047] EXT4-fs (sda4): error count since last fsck: 2
[1701352.412062] EXT4-fs (sda4): initial error at time 1458796255: ext4_journal_check_start:56
[1701352.412064] EXT4-fs (sda4): last error at time 1458796255: ext4_journal_check_start:56

---

谢谢

你需要任何关于备份软件的建议吗？不，谢谢，我把我的问题贴在这里，为一个有相同问题的相似的人找到一个可能的解决方案