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xfs_growfs failure....

To: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Subject: xfs_growfs failure....
From: Joe Allen <Joe.Allen@xxxxxxxxxx>
Date: Wed, 24 Feb 2010 02:44:37 -0800
Accept-language: en-US
Acceptlanguage: en-US
Thread-index: Acq1PlxOfPAzeVG5SamHV/cX/Lni0A==
Thread-topic: xfs_growfs failure....

I am in some difficulty here over a 100TB filesystem that

Is now unusable after a xfs_growfs command.

 

Is there someone that might help assist?

 

#mount: /dev/logfs-sessions/sessions: can't read superblock

 

Filesystem "dm-61": Disabling barriers, not supported with external log device

attempt to access beyond end of device

dm-61: rw=0, want=238995038208, limit=215943192576

 

I/O error in filesystem ("dm-61") meta-data dev dm-61 block 0x37a536dfff       ("xfs_read_buf") error 5 buf count 512

XFS: size check 2 failed

Filesystem "dm-61": Disabling barriers, not supported with external log device

attempt to access beyond end of device

 

xfs_repair –n <device> basically looks for superblocks (phase 1 I guess ) for a long time. I’m letting it run, but not much hope.

 

I’m hesitant to run xfs_repair –L  or without the –n flag for fear of making it worse.

 

I’ve run the following command to try to inspect

 

please let me know if there’s anything else that might help determine if there’s anything I can do to recover…

 

-bash-3.1# xfs_check -l /dev/logfs-sessions/logdev /dev/logfs-sessions/sessions

ERROR: The filesystem has valuable metadata changes in a log which needs to

be replayed.  Mount the filesystem to replay the log, and unmount it before

re-running xfs_check.  If you are unable to mount the filesystem, then use

the xfs_repair -L option to destroy the log and attempt a repair.

Note that destroying the log may cause corruption -- please attempt a mount

of the filesystem before doing this.

 

-bash-3.1# xfs_db -r -c 'sb 0' -c p /dev/logfs-sessions/sessions

magicnum = 0x58465342

blocksize = 4096

dblocks = 29874379776

rblocks = 0

rextents = 0

uuid = fc8bdf76-d962-43c1-ae60-b85f378978a6

logstart = 0

rootino = 2048

rbmino = 2049

rsumino = 2050

rextsize = 384

agblocks = 268435328

agcount = 112

rbmblocks = 0

logblocks = 32000

versionnum = 0x3184

sectsize = 512

inodesize = 256

inopblock = 16

fname = "\000\000\000\000\000\000\000\000\000\000\000\000"

blocklog = 12

sectlog = 9

inodelog = 8

inopblog = 4

agblklog = 28

rextslog = 0

inprogress = 0

imax_pct = 25

icount = 7291520

ifree = 8514

fdblocks = 6623185597

frextents = 0

uquotino = 0

gquotino = 0

qflags = 0

flags = 0

shared_vn = 0

inoalignmt = 2

unit = 128

width = 384

dirblklog = 0

logsectlog = 0

logsectsize = 0

logsunit = 0

features2 = 0

 

-bash-3.1# xfs_db -r -c 'sb 2' -c p /dev/logfs-sessions/sessions

magicnum = 0x58465342

blocksize = 4096

dblocks = 24111418368

rblocks = 0

rextents = 0

uuid = fc8bdf76-d962-43c1-ae60-b85f378978a6

logstart = 0

rootino = 2048

rbmino = 2049

rsumino = 2050

rextsize = 384

agblocks = 268435328

agcount = 90

rbmblocks = 0

logblocks = 32000

versionnum = 0x3184

sectsize = 512

inodesize = 256

inopblock = 16

fname = "\000\000\000\000\000\000\000\000\000\000\000\000"

blocklog = 12

sectlog = 9

inodelog = 8

inopblog = 4

agblklog = 28

rextslog = 0

inprogress = 0

imax_pct = 25

icount = 7291008

ifree = 8765

fdblocks = 862328436

frextents = 0

uquotino = 0

gquotino = 0

qflags = 0

flags = 0

shared_vn = 0

inoalignmt = 2

unit = 128

width = 384

dirblklog = 0

logsectlog = 0

logsectsize = 0

logsunit = 0

features2 = 0

 

 

 

 

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