On Sat, 22 Aug 2009 17:36:42 +0300, Yuri Chislov wrote:
> On Saturday 22 August 2009 15:34:38 Ryusuke Konishi wrote:
> > Could you send me the dump log around the segment?
> >
> > If you find an entry like:
> >
> > finfo
> > ino = 6, cno = xxxxx, nblocks = x, ndatblk = x
> > vblocknr = yyyyyy, blkoff = 2, blocknr = xxxxxx
> > ~~~~~~~ ~~~~~~~~~~
> > ino = 6 indicates The root inode is included in this block.
> > inode metadata file
> >
> > This writeback is suspicious.
> >
> > Thanks,
> > Ryusuke Konishi
> Hi,
>
> Attached file with dumpseg output.
> It's look, that root inode in segnum=10938.
>
> Thank you.
> Yuri.
The segment in the attached log did not include the root inode.
( The entry with ino = 6, did not include the block with blkoff = 2 )
What will happen if you run the attached script?
$ chmod +x find-root.sh
$ sudo ./find-root.sh <device> 10938 | tee -a segment-with-root-inode.log
Thanks,
Ryusuke Konishi
#!/bin/bash
cmd=`basename $0`
function die() { echo "$1" 1>&2; exit 1; }
test -n "$1" -a -n "$2" -a -b "$1" || die "usage: $cmd <device> <segnum>"
dev=$1
for (( i=$2; i >= 0; i-- )); do
if dumpseg $dev $i | sed -ne '/ino = 6/,/finfo/{p}' | grep -q "blkoff =
2,"; then
echo "$cmd: root inode found in segnum=$i"
dumpseg $dev $i
exit 0
fi
done
die "$cmd: root inode not found"
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