Mailinglist Archive: opensuse (2572 mails)

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Re: [opensuse] RAID disarray
  • From: Bob Williams <linux@xxxxxxxxxxxxxxxxxxxxx>
  • Date: Thu, 1 Jan 2009 12:29:39 +0000
  • Message-id: <200901011229.39388.linux@xxxxxxxxxxxxxxxxxxxxx>
On Thursday 01 January 2009 11:48:34 Carlos E. R. wrote:
On Thursday, 2009-01-01 at 10:35 -0000, Bob Williams wrote:
I have now discovered that /dev/md0 only consists of a single
drive, /dev/sdc1, and /dev/sdb1 has been sitting idle, twiddling it's
thumbs!

Argh!

I'd be grateful if someone could guide me through the process of
reassembling the array, without losing/overwriting the new data
on /dev/sdc1. I have read through man mdadm, but I'm not confident
about my understanding. Or perhaps I could do it in Yast?

I'm not aware that yast can repair raids :-?

Here are my notes on mdadm (change device names as appropriate for your
setup):

State of things:

mdadm --detail /dev/md0

This gives the following info:

/dev/md0:
Version : 01.00.03
Creation Time : Fri Jun 20 14:18:54 2008
Raid Level : raid1
Array Size : 976759864 (931.51 GiB 1000.20 GB)
Used Dev Size : 1953519728 (1863.02 GiB 2000.40 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 0
Persistence : Superblock is persistent

Intent Bitmap : Internal

Update Time : Thu Jan 1 12:26:29 2009
State : active, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0

Name : 0
UUID : 28fda9e6:9d4b3d1c:69069ea4:c79be70e
Events : 99990

Number Major Minor RaidDevice State
0 0 0 0 removed
1 8 33 1 active sync /dev/sdc1





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