From: Jan Kara <jack@suse.cz>
To: Prashant Shah <pshah.mumbai@gmail.com>
Cc: Eric Sandeen <sandeen@redhat.com>, linux-ext4@vger.kernel.org
Subject: Re: freeze_bdev hangs
Date: Mon, 8 Oct 2012 18:19:26 +0200 [thread overview]
Message-ID: <20121008161926.GH9243@quack.suse.cz> (raw)
In-Reply-To: <CAD6i1fJbfiBnTu1ttisMr96PzaTWCLAsvmTjx7OevfPcAGd7-A@mail.gmail.com>
On Mon 08-10-12 13:13:34, Prashant Shah wrote:
> Hi,
>
> On Fri, Oct 5, 2012 at 11:03 PM, Eric Sandeen <sandeen@redhat.com> wrote:
> > I haven't looked at your custom code, but freeze has changed a bit lately,
> > and "hangs" is a very vague description
> >
> > -Eric
>
> I am monitoring the file system (ext3) for block writes and on
> linux-2.6.18 (centos - 5.8 64bit) there are lots of writes request per
> second with inode number set to 0 even when the file system is idle
> and without any work loads. Didnt see this happen on linux-3.x.
>
> filter: sector=242983 inode=0
> filter: sector=242991 inode=0
> filter: sector=242999 inode=0
> filter: sector=243007 inode=0
> filter: sector=243015 inode=0
> filter: sector=243023 inode=0
> filter: sector=243031 inode=0
> filter: sector=243039 inode=0
And what tool are you using for monitoring?
Honza
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
next prev parent reply other threads:[~2012-10-08 16:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-05 11:58 freeze_bdev hangs Prashant Shah
2012-10-05 17:33 ` Eric Sandeen
2012-10-08 7:43 ` Prashant Shah
2012-10-08 16:19 ` Jan Kara [this message]
2012-10-08 16:35 ` Prashant Shah
2012-10-09 21:49 ` Jan Kara
2012-10-12 16:08 ` Prashant Shah
2012-12-04 13:10 ` Prashant Shah
2012-10-08 18:21 ` Eric Sandeen
2012-10-08 18:48 ` Prashant Shah
2012-10-09 5:13 ` Prashant Shah
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