From: Phil Turmel <philip@turmel.org>
To: Stone <stone@heisl.org>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Brocken Raid & LUKS
Date: Thu, 21 Feb 2013 14:45:12 -0500 [thread overview]
Message-ID: <51267948.60505@turmel.org> (raw)
In-Reply-To: <512675A6.1000801@heisl.org>
On 02/21/2013 02:29 PM, Stone wrote:
> ok i let the hexdump running for 30-60 min and then i check mehr
> chunk. if i can open the luks i should check again the superblocks?
> fsck.ext4 -n -b <superblock> /dev/mapper/md2_nas ?
>
> but i see there is a result from hex:
[trim /]
None of those look like real superblocks. Here's the beginning of that
report for a simple fs here:
00000430 1d 22 26 51 3b 00 ff ff 53 ef 01 00 01 00 00 00 |."&Q;...S.......|
0371f730 98 73 ed 8f 60 6a f0 5f 53 ef 43 bd 58 f0 b0 11 |.s..`j._S.C.X...|
0377dc30 24 18 c0 32 ef f2 c0 4a 53 ef ac 90 d1 30 9c 01 |$..2...JS....0..|
03951c30 26 0d 5f ef 3a a9 10 07 53 ef aa 87 3c 17 d1 32 |&._.:...S...<..2|
03a7ec30 77 6b fb 23 cf 1a d6 7f 53 ef ce 73 70 b4 8c ce |wk.#....S..sp...|
05816930 22 00 f6 22 e8 a7 89 49 53 ef 56 00 e1 8d 5c b7 |".."...IS.V...\.|
06265630 e9 c3 a0 10 29 cc 70 b2 53 ef 8c 07 0d aa 30 90 |....).p.S.....0.|
066dae30 c1 c0 aa 32 6c 56 33 43 53 ef d4 bd 5f 03 fc 06 |...2lV3CS..._...|
06ee0730 88 8a 99 09 0e e8 af ba 53 ef db 77 83 62 6e a0 |........S..w.bn.|
07842630 c6 ff d7 79 f8 5d 20 87 53 ef cf df 67 90 91 19 |...y.] .S...g...|
08000030 42 5b f8 4f 00 00 ff ff 53 ef 00 00 01 00 00 00 |B[.O....S.......|
08826630 e2 ac 97 4a 7e 2e 17 26 53 ef 9f 59 22 5d 3a 28 |...J~..&S..Y"]:(|
0d2d6330 95 f6 5e c6 7c 1d 04 8e 53 ef d7 69 e1 0a d3 73 |..^.|...S..i...s|
0e077d30 c7 18 fa 82 4c e3 9f 78 53 ef 57 49 fb 1b 64 f9 |....L..xS.WI..d.|
0f213830 6e 1d 0b c1 85 d4 07 e5 53 ef f1 2c d7 2e b1 19 |n.......S..,....|
11ff3230 4c 22 10 55 c5 95 fa 7d 53 ef 57 22 6a 25 46 3d |L".U...}S.W"j%F=|
The "candidates" at 00000430 and 08000030 are really part of a superblock.
The others are not.
Phil
next prev parent reply other threads:[~2013-02-21 19:45 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-19 16:01 Brocken Raid & LUKS stone
2013-02-19 17:57 ` Phil Turmel
[not found] ` <5123E4E9.3020609@heisl.org>
2013-02-19 21:16 ` Phil Turmel
[not found] ` <5123EF45.6080405@heisl.org>
[not found] ` <5123F7C7.7000406@turmel.org>
[not found] ` <5123FB71.3060509@heisl.org>
2013-02-20 0:31 ` Phil Turmel
2013-02-20 18:32 ` Stone
2013-02-20 18:39 ` Phil Turmel
2013-02-21 7:04 ` Stone
2013-02-21 9:42 ` stone
2013-02-21 13:29 ` Phil Turmel
2013-02-21 14:19 ` stone
2013-02-21 15:04 ` Phil Turmel
2013-02-21 15:30 ` stone
2013-02-21 15:38 ` Phil Turmel
2013-02-21 15:49 ` Phil Turmel
2013-02-21 16:32 ` Stone
2013-02-21 16:41 ` Phil Turmel
2013-02-21 16:43 ` Stone
2013-02-21 16:46 ` Phil Turmel
2013-02-21 16:51 ` Stone
2013-02-21 16:54 ` Phil Turmel
2013-02-21 17:17 ` Stone
2013-02-21 17:23 ` Stone
2013-02-21 17:36 ` Phil Turmel
2013-02-21 17:47 ` Stone
2013-02-21 18:00 ` Phil Turmel
2013-02-21 18:08 ` Stone
2013-02-21 18:11 ` Phil Turmel
2013-02-21 18:29 ` Stone
2013-02-21 18:54 ` Phil Turmel
2013-02-21 19:12 ` Stone
2013-02-21 19:17 ` Stone
2013-02-21 19:24 ` Phil Turmel
2013-02-21 19:29 ` Stone
2013-02-21 19:45 ` Phil Turmel [this message]
2013-02-21 19:46 ` Stone
[not found] ` <51269DE0.5070905@heisl.org>
2013-02-22 10:31 ` stone
2013-02-22 13:53 ` Phil Turmel
2013-02-22 14:58 ` Stone
2013-02-22 15:37 ` Phil Turmel
2013-02-22 18:17 ` Stone
2013-02-22 18:23 ` Phil Turmel
2013-02-22 20:43 ` Stone
2013-02-22 22:35 ` Phil Turmel
2013-02-22 22:42 ` Stone
2013-02-23 2:22 ` Phil Turmel
2013-02-23 3:11 ` Stone
2013-02-23 4:36 ` Phil Turmel
2013-02-23 10:19 ` Stone
2013-02-23 16:10 ` Phil Turmel
2013-02-23 22:26 ` Stone
2013-02-23 23:49 ` Phil Turmel
2013-02-24 0:13 ` Stone
2013-02-24 4:04 ` Phil Turmel
2013-02-24 7:10 ` Stone
2013-02-24 14:15 ` Phil Turmel
2013-02-24 18:22 ` Stone
2013-02-24 18:33 ` Phil Turmel
2013-02-24 19:23 ` Stone
2013-02-24 19:51 ` Phil Turmel
2013-02-24 20:15 ` Stone
2013-02-24 20:25 ` Phil Turmel
2013-02-24 20:38 ` Stone
2013-02-24 20:44 ` Phil Turmel
2013-02-24 20:47 ` Stone
2013-02-25 9:06 ` stone
2013-02-25 18:31 ` Stone
2013-02-25 20:11 ` Stone
2013-02-26 0:19 ` Phil Turmel
2013-02-27 7:26 ` Stone
2013-02-27 19:04 ` Stone
2013-02-27 19:33 ` Hans-Peter Jansen
2013-02-27 19:51 ` Stone
2013-03-02 17:13 ` Phil Turmel
[not found] ` <5127B0AB.5040108@heisl.org>
2013-02-22 18:30 ` Phil Turmel
2013-02-21 22:29 ` Chris Murphy
2013-02-21 22:34 ` Phil Turmel
2013-02-21 22:20 ` Chris Murphy
2013-02-21 22:26 ` Phil Turmel
2013-02-21 13:15 ` Phil Turmel
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