From: Piotr Szymaniak <szarpaj-TbOm9Ca2r9GrDJvtcaxF/A@public.gmane.org>
To: Vyacheslav Dubeyko <slava-yeENwD64cLxBDgjK7y7TUQ@public.gmane.org>
Cc: Ryusuke Konishi
<konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>,
linux-nilfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: NILFS: corrupt root inode after Turbo Mode?
Date: Thu, 11 Oct 2012 20:03:32 +0200 [thread overview]
Message-ID: <20121011180332.GE27763@wloczykij> (raw)
In-Reply-To: <1349950320.1908.11.camel@slavad-ubuntu>
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On Thu, Oct 11, 2012 at 02:12:00PM +0400, Vyacheslav Dubeyko wrote:
> On Thu, 2012-10-11 at 11:23 +0200, Piotr Szymaniak wrote:
> > So I should dump block 743205 and 734158? Ok, but I'm not familiar with
> > blkoff.
> >
> > ie. blkoff = 2, blocknr = 734205 it means the dump should be block
> > 734205 and (blkoff = 2) next two blocks? If this is correct then this
> > should work, right?
> > dd if=/dev/<device> of=<dump> bs=2048 skip=734205 count=3 (not sure if
> > dd counts skip= and count= from 0 or 1)
> > And similar with block 734158 but only one block (blkoff = 0)?
> >
>
> Sorry, I confuse you by blkoff mentioning. The blkoff is logical offset from file begin (for example, from ifile begin). You need to take into account only blocknr.
>
> It needs to dump block 743205 and 734158. Your superblock's content informs that block size is 4096 bytes.
>
> For example, dd if=/dev/<device> of=<dump> bs=4096 skip=734205 count=1
Block 743205 is empty:
maszyn tmp (: cat dump.743205
maszyn tmp (: hexdump dump.743205
0000000 0000 0000 0000 0000 0000 0000 0000 0000
*
0001000
Block 734158 attached.
Piotr Szymaniak.
--
W tamtych latach wiejskie rodziny chodziły do lóżka bardzo
wcześnie - "kiedy robiło się ciemno pod stołem", jak mawiała moja
własna matka - i spały kamiennym snem.
-- Stephen King, "The Green Mile"
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next prev parent reply other threads:[~2012-10-11 18:03 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-08 22:25 NILFS: corrupt root inode after Turbo Mode? Piotr Szymaniak
2012-10-09 7:29 ` Vyacheslav Dubeyko
2012-10-09 10:52 ` Piotr Szymaniak
2012-10-09 12:08 ` Vyacheslav Dubeyko
2012-10-09 13:58 ` Piotr Szymaniak
2012-10-09 16:24 ` Ryusuke Konishi
[not found] ` <20121010.012440.17932600.konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>
2012-10-09 17:32 ` Vyacheslav Dubeyko
2012-10-10 7:39 ` Piotr Szymaniak
2012-10-10 10:43 ` Vyacheslav Dubeyko
2012-10-10 20:39 ` Piotr Szymaniak
2012-10-10 12:03 ` Vyacheslav Dubeyko
2012-10-10 22:03 ` Piotr Szymaniak
2012-10-11 6:50 ` Vyacheslav Dubeyko
2012-10-11 9:23 ` Piotr Szymaniak
2012-10-11 10:12 ` Vyacheslav Dubeyko
2012-10-11 18:03 ` Piotr Szymaniak [this message]
2012-10-12 7:10 ` Vyacheslav Dubeyko
2012-10-12 10:31 ` Piotr Szymaniak
2012-10-12 11:07 ` Vyacheslav Dubeyko
2012-10-12 11:40 ` Piotr Szymaniak
2012-10-14 14:55 ` Vyacheslav Dubeyko
[not found] ` <26EBDBC2-8938-41BC-8C0C-6F6F3A0FD1EC-yeENwD64cLxBDgjK7y7TUQ@public.gmane.org>
2012-10-14 20:47 ` Piotr Szymaniak
2012-10-15 5:58 ` Vyacheslav Dubeyko
2012-10-18 12:29 ` Vyacheslav Dubeyko
[not found] ` <20121014200836.GK27763@wloczykij>
2012-10-15 6:18 ` Vyacheslav Dubeyko
2012-10-18 20:15 ` Piotr Szymaniak
2012-10-19 6:43 ` Vyacheslav Dubeyko
2012-10-19 10:14 ` Piotr Szymaniak
2012-10-23 6:31 ` Vyacheslav Dubeyko
2012-10-23 8:41 ` Piotr Szymaniak
2012-10-23 9:26 ` Vyacheslav Dubeyko
2012-10-23 11:54 ` Piotr Szymaniak
2012-10-23 13:35 ` Vyacheslav Dubeyko
2012-10-24 7:36 ` Piotr Szymaniak
2012-10-25 12:13 ` Vyacheslav Dubeyko
2012-10-12 11:49 ` Christian Smith
[not found] ` <20121012114915.GE7823-Ng8wz+J301SNY5Lh21HnMTHS2PGA244I9dF7HbQ/qKg@public.gmane.org>
2012-10-12 12:28 ` Piotr Szymaniak
2012-10-12 20:56 ` Piotr Szymaniak
2012-10-09 11:53 ` Piotr Szymaniak
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