Re: Help! Defragmenting XFS killed my partition?

[Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>]

I take that back, it looks like my drive just died, coincidence?

hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=107317663, 
high=6, low=6654367, sector=107317535
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 107317535
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=414375286, 
high=24, low=11722102, sector=414375255
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 414375255
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=474418460, 
high=28, low=4656412, sector=474418431
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 474418431
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=368476792, 
high=21, low=16155256, sector=368476703
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 368476703
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=480110089, 
high=28, low=10348041, sector=480110007
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 480110007
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=410468331, 
high=24, low=7815147, sector=410468127
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 410468127
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=410468331, 
high=24, low=7815147, sector=410468135
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 410468135
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=410468331, 
high=24, low=7815147, sector=410468143
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 410468143
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=37475735, 
high=2, low=3921303, sector=37475671
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 37475671
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=142214565, 
high=8, low=7996837, sector=142214375
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 142214375
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=142214565, 
high=8, low=7996837, sector=142214383
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 142214383
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=142214565, 
high=8, low=7996837, sector=142214391
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 142214391
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=142214565, 
high=8, low=7996837, sector=142214399
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 142214399
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=402440697, 
high=23, low=16564729, sector=402440639
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 402440639
hdk: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hdk: dma_intr: error=0x40 { UncorrectableError }, LBAsect=402440697, 
high=23, low=16564729, sector=402440647
ide: failed opcode was: unknown
end_request: I/O error, dev hdk, sector 402440647


On Sun, 4 Sep 2005, Justin Piszcz wrote:

> p34:~# xfs_db -V
> xfs_db version 2.6.20
> p34:~# xfs_fsr -V
> xfs_fsr version 2.2.30
> p34:~#
> p34:~# uname -a
> Linux p34 2.6.13 #7 SMP Sat Sep 3 08:08:01 EDT 2005 i686 GNU/Linux
>
>
>  N  3 root           6:23pm   (476) Warning: /dev/hdk1 is 12% fragmented.
>
> p34:~# xfs_db -c frag -r /dev/hdk1
> p34:~# xfs_fsr /dev/hdk1
>
> ..
>
> Then I check the fragmentation manually.
>
> p34:~# xfs_db -c frag -r /dev/hdk1
> xfs_db: /dev/hdk1 is invalid (cannot read first 512 bytes)
>
> p34:~# umount /d3
> p34:~# mount /d3
> mount: /dev/hdk1: can't read superblock
> p34:~#
>
> ??
>
> p34:~# fdisk /dev/hdk
>
> The number of cylinders for this disk is set to 30515.
> There is nothing wrong with that, but this is larger than 1024,
> and could in certain setups cause problems with:
> 1) software that runs at boot time (e.g., old versions of LILO)
> 2) booting and partitioning software from other OSs
>   (e.g., DOS FDISK, OS/2 FDISK)
>
> Command (m for help): p
>
> Disk /dev/hdk: 251.0 GB, 251000193024 bytes
> 255 heads, 63 sectors/track, 30515 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
>   Device Boot      Start         End      Blocks   Id  System
> /dev/hdk1               1       30515   245111706   83  Linux
>
> Command (m for help): q
>
> p34:~#
>
> How do I get back the data? What happened? XFS bug?
>
> I have been running xfs_fsr for a 4-5 days now and it has been working great 
> across different machines, however, I may have just lost 230GB of data, can 
> anyone help?
> Thanks.