Re: After power outage, nearly all vm volumes corrupted and unmountable

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Hello Gary,

On 2018-07-06 13:55, Gary Molenkamp wrote:
# parted /dev/sdb
GNU Parted 3.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) p
Model: QEMU QEMU HARDDISK (scsi)
Disk /dev/sdb: 42.9GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:

Number  Start   End     Size    Type     File system  Flags
 1      1049kB  42.9GB  42.9GB  primary  xfs          boot

# mount -t xfs /dev/sdb temp
mount: wrong fs type, bad option, bad superblock on /dev/sdb,
       missing codepage or helper program, or other error

       In some cases useful info is found in syslog - try
       dmesg | tail or so.

# xfs_repair /dev/sdb
Phase 1 - find and verify superblock...
bad primary superblock - bad magic number !!!

attempting to find secondary superblock...

You have a partition on your block device but you try to mount and repair the block device itself. What happens if you try to mount /dev/sdb1 (instead of /dev/sdb) and, if needed, xfs_repair /dev/sdb1?

Kind regards,
Cybertinus
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