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Re: Still some corruption occurs on my root filesystem

To: linux-xfs <linux-xfs@xxxxxxxxxxx>
Subject: Re: Still some corruption occurs on my root filesystem
From: Michael Wahlbrink <x_miw@xxxxxxxxxxxxxxxx>
Date: Sat, 25 May 2002 19:06:55 +0200
Cc: Willi.Langenberger@xxxxxxxxxxxxx, Eric Sandeen <sandeen@xxxxxxx>, Steve Lord <lord@xxxxxxx>
References: <Pine.LNX.4.44.0205220823510.20749-100000@xxxxxxxxxxxxxxxxxxxxxx> <3CEBA50B.9010902@xxxxxxxxxxxxxxxx> <15595.60566.105899.507461@xxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0rc3) Gecko/20020523
Hi again,
Willi Langenberger wrote:
According to Michael Wahlbrink:

It was a normal shutdown, :-(
...and it also did't disappear if I had rebooted the mashine a few times. It disappeared if I started a repair from my "repairsystem".


What does xfs_db report on the superblock?

  xfs_db -L /dev/ataraid/d0p1
  sb 0
  p

We had a strange problem where the log region overlapped some other
filesystem data (see my previous mail) which showed similar
effects...


\wlang{}

Ok,
because this thing is not solved (getting filesystem corruption very often -especially if rebooting after compiling a lot of stuff on the partition...) now another mail with the output of xfs_db....

monster:~ # xfs_db /dev/ataraid/d0p1
xfs_db: sb 0
xfs_db: p
magicnum = 0x58465342
blocksize = 4096
dblocks = 1220932
rblocks = 0
rextents = 0
uuid = 6cac98eb-3e70-4201-b291-15d2f5f2ae8d
logstart = 1048580
rootino = 128
rbmino = 129
rsumino = 130
rextsize = 16
agblocks = 152617
agcount = 8
rbmblocks = 0
logblocks = 1200
versionnum = 0x2084
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 = 18
rextslog = 0
inprogress = 0
imax_pct = 25
icount = 102912
ifree = 542
fdblocks = 664257
frextents = 0
uquotino = 0
gquotino = 0
qflags = 0
flags = 0
shared_vn = 0
inoalignmt = 2
unit = 0
width = 0
dirblklog = 0
xfs_db:

I hope that this can help to track the problems down.
In Willis mail I read something about an external log, do I really need this for my 4Gig root partition if it is even possible on the root partition?

Hope you can help me once more ;-)

regards
micha


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