Восстановление раздела XFS.

root@archiso /tmp # xfs_info /dev/vda2                                                                                                                                                                             
xfs_info: error - read only 0 of 512 bytes
xfs_info: error - read only 0 of 512 bytes
xfs_info: cannot init perag data (5). Continuing anyway.
meta-data=/dev/vda2              isize=512    agcount=4, agsize=32751552 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0, sparse=0, rmapbt=0
         =                       reflink=0
data     =                       bsize=4096   blocks=131006208, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=63967, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0

[   80.851826] SGI XFS with ACLs, security attributes, realtime, scrub, no debug enabled¬
[   80.864356] attempt to access beyond end of device¬
[   80.864363] vda2: rw=4096, want=1048049664, limit=628619264¬
[   80.864371] XFS (vda2): last sector read failed¬
[   91.280790] attempt to access beyond end of device¬
[   91.280797] vda2: rw=4096, want=1048049664, limit=628619264¬
[   91.280805] XFS (vda2): last sector read failed¬

mount: /mnt: can't read superblock on /dev/vda2.