> It could be caused by a hardware problem, or if it's a RAID array, if
> the RAID array is out of sync, it's possible for two subsequent reads
> to return something else.
It's RAID0, which I *believe* can't get out of sync, but there is much
I do not understand about RAID.
> Can you take the two .gz files and reconstruct a file system on some
> other system with a known-bug disk, and then try running e2fsck on the
> the image?
e2fsck successfully repairs both the skeleton image and the complete
partition image when they are on a known-good disk.
Here's some more detail about the partition. The "Partition does not
start on physical sector boundary" thing might be relevant. (I can't
say I understand how that can even happen, though.)
md127 : active raid0 sde3[1] sdd3[0]
556720128 blocks super 1.2 512k chunks
# sfdisk -Vl /dev/md127
Disk /dev/md127: 531 GiB, 570081411072 bytes, 1113440256 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
Disklabel type: dos
Disk identifier: 0x2c9d8483
Device Boot Start End Sectors Size Id Type
/dev/md127p1 63 128005919 128005857 61G 83 Linux
/dev/md127p2 128005920 1113433019 985427100 469.9G 83 Linux
Partition 1 does not start on physical sector boundary.
Partition 2 does not start on physical sector boundary.
Remaining 7236 unallocated 512-byte sectors.
# sfdisk -Vl /dev/sdd
Disk /dev/sdd: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x3ce15391
Device Boot Start End Sectors Size Id Type
/dev/sdd1 * 2048 1050623 1048576 512M 83 Linux
/dev/sdd2 1050624 68159487 67108864 32G 82 Linux swap / Solaris
/dev/sdd3 68159488 625142447 556982960 265.6G fd Linux raid autodetect
# sfdisk -Vl /dev/sde
Disk /dev/sde: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x75d309b0
Device Boot Start End Sectors Size Id Type
/dev/sde1 2048 1050623 1048576 512M 83 Linux
/dev/sde2 1050624 68159487 67108864 32G 82 Linux swap / Solaris
/dev/sde3 68159488 625142447 556982960 265.6G fd Linux raid autodetect
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