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From: Wido den Hollander <wido@widodh.nl>
To: sverre stoltenberg <sverrest@opera.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: Truncated file on posix mount
Date: Fri, 15 Jun 2012 13:32:12 +0200	[thread overview]
Message-ID: <4FDB1D3C.1040309@widodh.nl> (raw)
In-Reply-To: <4FDB03CD.5010202@opera.com>

Hi,

On 15-06-12 11:43, sverre stoltenberg wrote:
> I have a ceph posix mount for openstack instances, and have found some
> of my kernels truncated. It looks rather random, and I have not found a
> way to reproduce it, but it will happen from time to time with normal use.
>

Can you share the following information?

- Kernel version
- Ceph version
- "ceph -s" output

The MDS / POSIX filesystem hasn't been tested very well at the moment, 
in the next sprint (starting soon) the developers will start focusing on 
the POSIX filesystem.

Thanks,

Wido

> the 5e...aa checksum is the correct one.
>
> root@t06-16:/var/lib/nova/instances# md5sum */kernel
> 3e0a48130ddb8bfe88239df05c073a0b instance-00000001/kernel
> 5e9463bd77757a3889a1d9758b2b94aa instance-0000000f/kernel
> 5e9463bd77757a3889a1d9758b2b94aa instance-00000010/kernel
> 5e9463bd77757a3889a1d9758b2b94aa instance-00000011/kernel
> 5e9463bd77757a3889a1d9758b2b94aa instance-00000012/kernel
> 5e9463bd77757a3889a1d9758b2b94aa instance-00000013/kernel
> 3e0a48130ddb8bfe88239df05c073a0b instance-00000014/kernel
>
> root@t06-16:/var/lib/nova/instances/instance-00000001# stat kernel
> File: `kernel'
> Size: 2097152 Blocks: 4096 IO Block: 4194304 regular file
> Device: 0h/0d Inode: 1099511627899 Links: 1
> Access: (0664/-rw-rw-r--) Uid: ( 109/libvirt-qemu) Gid: ( 111/ kvm)
> Access: 2012-06-13 11:56:56.462433802 +0200
> Modify: 2012-06-04 11:47:17.730781000 +0200
> Change: 2012-06-04 11:47:17.730781000 +0200
> Birth: -
>
> root@t06-16:/var/lib/nova/instances/instance-00000010# stat kernel
> File: `kernel'
> Size: 2424448 Blocks: 4736 IO Block: 4194304 regular file
> Device: 0h/0d Inode: 1099511627989 Links: 1
> Access: (0664/-rw-rw-r--) Uid: ( 109/libvirt-qemu) Gid: ( 111/ kvm)
> Access: 2012-06-13 09:44:03.779892491 +0200
> Modify: 2012-06-13 09:43:47.178125000 +0200
> Change: 2012-06-13 09:44:00.020102878 +0200
> Birth: -
>

  reply	other threads:[~2012-06-15 11:32 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-15  9:43 Truncated file on posix mount sverre stoltenberg
2012-06-15 11:32 ` Wido den Hollander [this message]
2012-06-15 12:55   ` sverre stoltenberg

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