From: "Marcin M. Jessa" <lists@yazzy.org>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: Recovery of failed RAID 6 and LVM
Date: Fri, 30 Sep 2011 22:01:40 +0200 [thread overview]
Message-ID: <4E862024.9090306@yazzy.org> (raw)
In-Reply-To: <20110928091335.1df35f8e@notabene.brown>
On 9/28/11 1:13 AM, NeilBrown wrote:
> On Tue, 27 Sep 2011 21:12:58 +0200 "Marcin M. Jessa"<lists@yazzy.org> wrote:
>
>> On 9/26/11 11:31 AM, NeilBrown wrote:
>>> On Mon, 26 Sep 2011 11:05:38 +0200 "Marcin M. Jessa"<lists@yazzy.org> wrote:
>>>
>>>> On 9/26/11 12:18 AM, NeilBrown wrote:
>>>>
>>>>> Do you remember what filesystem you had on 'storage'? Was it ext3 or ext4 or
>>>>> xfs or something else?
>>>>
>>>> You're giving me some hope here and then silence :)
>>>> Why did you ask about the file system? Should I run fsck on the LV ?
>>>>
>>>>
>>>>
>>>
>>> You already did run fsck on the LV. It basically said that it didn't
>>> recognise the filesystem at all.
>>> I asked in case maybe it was XFS in which case a different tool would be
>>> required.
>>
>> Looks like I didn't remember correctly. I ran testdisk and it reported
>> the file system to be XFS. What would you suggest now Neil?
>>
>>
>
> Presumably
> xfs_check /dev/fridge/storage
>
> and then maybe
> xfs_repair /dev/fridge/storage
>
> but I have no experience with XFS - I'm just reading man pages.
>
That didn't work so I decided to give photorec a spin and so far it
could find and recover lots of files [1].
Why the heck is photorec able to do so but the normal file system fixing
tools are just useless?
[1]:
Disk /dev/dm-0 - 5368 GB / 5000 GiB (RO)
Partition Start End Size in sectors
No partition 0 10485759999 10485760000 [Whole disk]
Pass 2 - Reading sector 1506591634/10485760000, 843 files found
Elapsed time 10h16m59s - Estimated time for achievement 61h17m10
txt: 445 recovered
exe: 198 recovered
mpg: 62 recovered
swf: 33 recovered
tx?: 33 recovered
gif: 25 recovered
gpg: 19 recovered
bmp: 5 recovered
gz: 4 recovered
riff: 4 recovered
others: 15 recovered
--
Marcin M. Jessa
next prev parent reply other threads:[~2011-09-30 20:01 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-25 7:55 Recovery of failed RAID 6 and LVM Marcin M. Jessa
2011-09-25 8:39 ` Stan Hoeppner
2011-09-25 10:07 ` Marcin M. Jessa
2011-09-25 13:15 ` Phil Turmel
2011-09-25 14:16 ` Marcin M. Jessa
2011-09-25 16:43 ` Phil Turmel
2011-09-25 14:41 ` Marcin M. Jessa
2011-09-25 16:19 ` Phil Turmel
2011-09-25 21:40 ` NeilBrown
2011-09-25 21:58 ` Marcin M. Jessa
2011-09-25 22:18 ` NeilBrown
2011-09-25 22:21 ` Marcin M. Jessa
[not found] ` <4E804062.3020700@yazzy.org>
2011-09-26 9:31 ` NeilBrown
2011-09-26 10:53 ` Marcin M. Jessa
2011-09-26 11:10 ` NeilBrown
2011-09-27 19:12 ` Marcin M. Jessa
2011-09-27 23:13 ` NeilBrown
2011-09-28 2:50 ` Stan Hoeppner
2011-09-28 7:10 ` Marcin M. Jessa
2011-09-28 7:51 ` David Brown
2011-09-28 16:12 ` Stan Hoeppner
2011-09-28 16:30 ` Marcin M. Jessa
2011-09-28 18:56 ` Thomas Fjellstrom
2011-09-28 19:26 ` Marcin M. Jessa
2011-09-28 19:42 ` Thomas Fjellstrom
2011-09-28 23:49 ` NeilBrown
2011-09-29 9:03 ` David Brown
2011-09-29 15:21 ` Stan Hoeppner
2011-09-29 17:14 ` David Brown
2011-09-29 18:28 ` Dan Williams
2011-09-29 23:07 ` NeilBrown
2011-09-30 0:18 ` Williams, Dan J
2011-10-05 2:15 ` NeilBrown
2011-09-28 10:38 ` Michal Soltys
2011-09-28 13:20 ` Brad Campbell
2011-09-28 19:02 ` Thomas Fjellstrom
2011-09-28 16:31 ` Stan Hoeppner
2011-09-28 16:37 ` Marcin M. Jessa
2011-09-28 19:03 ` Thomas Fjellstrom
2011-09-28 19:29 ` Marcin M. Jessa
2011-09-28 19:43 ` Thomas Fjellstrom
2011-09-30 20:01 ` Marcin M. Jessa [this message]
2011-09-30 21:47 ` Thomas Fjellstrom
2011-09-30 22:30 ` Marcin M. Jessa
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