# fsck /dev/mapper/backup--server--vg-pstore
fsck from util-linux 2.36.1
e2fsck 1.46.2 (28-Feb-2021)
/dev/mapper/backup--server--vg-pstore contains a file system with
errors, check forced.
Pass 1: Checking inodes, blocks, and sizes
Inode 9699352 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699353 extent tree (at level 1) could be shorter. Optimize<y>? no
Inode 9699361 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699373 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699397 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699711 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699712 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699714 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699716, end of extent exceeds allowed value
(logical block 2524970, physical block 312105001, len 1)
Clear<y>? no
Inode 9699716 has an invalid extent
(logical block 2524970, invalid physical block 956839754, len 1)
Clear<y>? no
Inode 9699716 extent tree (at level 2) could be narrower.
Optimize<y>? no
Inode 9699716, i_blocks is 20662008, should be 20661992. Fix<y>? no
Inode 9699719 extent tree (at level 1) could be narrower.
Optimize<y>? no
Inode 9699730 extent tree (at level 1) could be narrower.
Optimize<y>? no
Inode 190316552 extent tree (at level 1) could be narrower.
Optimize<y>? no
Inode 190316568 extent tree (at level 1) could be narrower.
Optimize<y>? no
Inode 190316580 extent tree (at level 1) could be narrower.
Optimize<y>? no
Inode 190316584 extent tree (at level 1) could be narrower.
Optimize<y>? no
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences: -(312105000--312105001)
Fix<y>? no
/dev/mapper/backup--server--vg-pstore: ********** WARNING: Filesystem
still has errors **********
/dev/mapper/backup--server--vg-pstore: 148/201326592 files (0.7%
non-contiguous), 262586383/805306368 blocks