Hi Yuri,
On Sun, 23 Aug 2009 22:09:41 +0900 (JST), Ryusuke Konishi wrote:
> I'll resend to the list, too.
> On Sun, 23 Aug 2009 16:06:17 +0300, Yuri Chislov wrote:
> > Resend to mailing list.
> > On Sunday 23 August 2009 11:20:53 you wrote:
> > > And, the attached patch will output some information about how disk
> > > block numbers are converted with DAT file.
> > >
> > > I think this will give another hint on which metadata broke in nilfs.
> > >
> > > Could you apply it and try mount again?
> > Done.
> >
> > 104 17 209720511 cciss/c0d1p1
> > expr 209720511 / 4 / 2048 - 1
> > 25599
> > ./find_root.sh /dev/cciss/c0d1p1 25599
> > find_root.sh: root inode not found
> >
> > Attached dmesg output.
> >
> > Thanks.
> > Yuri.
> >
>
> Thank you for your cooperation.
> I'll look into the dmesg output.
>
> Thanks,
> Ryusuke Konishi
I found the location of the root inode in your log.
> nilfs_dat_translate: vblocknr=3240647 -> blocknr=20617314
> nilfs_btnode_submit_block: read ino=6 vblocknr=3240647 blocknr=20617314
> nilfs_mdt_submit_block lookup: ino=3 blkoff=25416 blknum=22241917
> nilfs_dat_translate: vblocknr=3240498 -> blocknr=3280927
> nilfs_mdt_submit_block lookup: ino=6 blkoff=2 blknum=3280927
^^^^^ ^^ ^^^^^^^
ifile |
`-- Offset of the block in
which the root inode is
written.
Could you send me the two dump files taken by the following steps ?
# dd if=/dev/cciss/c0d1p1 bs=4k count=1 skip=3280927 | hd > blk3280927.log
# expr 3280927 / 2048
1602
# dumpseg /dev/cciss/c0d1p1 1602 > seg1602.log
Thanks,
Ryusuke Konishi
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