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Old 02-08-2012, 03:42 AM   #1
xortex
LQ Newbie
 
Registered: Oct 2005
Posts: 1

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Thumbs down mount raid volumes - SnapServer


Good morning,

I'm trying to recover a raid5 set in a 4x1T Snapserver 410 through linux, due to hardware failure, but impossible to do so. I'm just trying to read http://wiki.procooling.com/index.php/Raid (the best howto's about Snapservers) but it is still offline. Each disk is partitioned in the nextway:


Device Boot Start End Blocks Id System
/dev/sda1 * 47 32129 16041+ 83 Linux
/dev/sda2 32130 1124549 546210 83 Linux
/dev/sda3 1124550 2216969 546210 5 Extended
/dev/sda4 2216970 1953525167 975654099 83 Linux
/dev/sda5 1124551 1670759 273104+ 83 Linux
/dev/sda6 1670761 2216969 273104+ 83 Linux

The Guardian OS is installed in the first partitions, plus /dev/sdX4 (the biggest one, I thing the raid 5 set).

When doing

[root@livecd ~]# mdadm --assemble --scan
mdadm: device 3 in /dev/md/101_1 has wrong state in superblock, but /dev/sdc5 seems ok
mdadm: Failed to restore critical section for reshape, sorry.
Possibly you needed to specify the --backup-file
mdadm: Failed to restore critical section for reshape, sorry.
Possibly you needed to specify the --backup-file
mdadm: No arrays found in config file or automatically

I don't know how to mount this raidset, has no information at all. Indeed, over raid5 info, there is LVM.

I've found http://www.linuxjournal.com/article/8874?page=0,0 in order to recover, but couldn't.

Does anybody knows how to deal with this??

Thanks in advance.
 
  


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