* shuffled disks by mistake
@ 2005-03-10 14:17 Max Waterman
2005-03-10 14:39 ` Paul Clements
2005-03-10 14:40 ` seth vidal
0 siblings, 2 replies; 3+ messages in thread
From: Max Waterman @ 2005-03-10 14:17 UTC (permalink / raw)
To: linux-raid
Hi,
I have 6 WD800Jb disk drives. I used 4 of them in a RAID5 (using the
whole disk - no partitions) array.
I have mixed them all up, and now want to get some data off the array.
How best to find out which drives were in the array?
Here are the partition tables (obtained using fdisk on OS X):
WCAHL6712963.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
WCAHL6713265.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0x6972
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 69 1023 53 45 - -108478 -118 -1 [1210083443 - 1342177348] Novell
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
WCAHL6727415.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
WCAHL6731043.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0x6972
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 69 1023 53 45 - -108478 -118 -1 [1210083443 - 1342177348] Novell
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
WCAJ93156707.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
*1: 83 0 1 1 - 12 254 63 [ 63 - 208782] Linux files*
2: 8E 13 0 1 - 1023 254 63 [ 208845 - 156087540] <Unknown ID>
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
WMA8E2951092.txt
Disk: /dev/rdisk2 geometry: 9729/255/63 [156301488 sectors]
Signature: 0x0
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
Max.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: shuffled disks by mistake
2005-03-10 14:17 shuffled disks by mistake Max Waterman
@ 2005-03-10 14:39 ` Paul Clements
2005-03-10 14:40 ` seth vidal
1 sibling, 0 replies; 3+ messages in thread
From: Paul Clements @ 2005-03-10 14:39 UTC (permalink / raw)
To: mwaterman; +Cc: linux-raid
Max Waterman wrote:
> I have 6 WD800Jb disk drives. I used 4 of them in a RAID5 (using the
> whole disk - no partitions) array.
> I have mixed them all up, and now want to get some data off the array.
> How best to find out which drives were in the array?
put them in a linux box and run "mdadm -E <disk>" on each disk -- that
will tell you which ones have superblocks and all the details of those
superblocks
--
Paul
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: shuffled disks by mistake
2005-03-10 14:17 shuffled disks by mistake Max Waterman
2005-03-10 14:39 ` Paul Clements
@ 2005-03-10 14:40 ` seth vidal
1 sibling, 0 replies; 3+ messages in thread
From: seth vidal @ 2005-03-10 14:40 UTC (permalink / raw)
To: mwaterman; +Cc: linux-raid
On Thu, 2005-03-10 at 22:17 +0800, Max Waterman wrote:
> Hi,
>
> I have 6 WD800Jb disk drives. I used 4 of them in a RAID5 (using the
> whole disk - no partitions) array.
>
> I have mixed them all up, and now want to get some data off the array.
>
> How best to find out which drives were in the array?
>
> Here are the partition tables (obtained using fdisk on OS X):
put the drives in a linux machine and run:
mdadm -E /dev/drive#
it should tell you if there is an md superblock on that system.
-sv
^ permalink raw reply [flat|nested] 3+ messages in thread
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2005-03-10 14:17 shuffled disks by mistake Max Waterman
2005-03-10 14:39 ` Paul Clements
2005-03-10 14:40 ` seth vidal
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