Re: Raid 1 newbie question

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Thanks to all !!!

This is my mdadm output:

[root@server /]# /sbin/mdadm --detail /dev/md1
/dev/md1:
       Version : 00.90.01
 Creation Time : Wed Apr  4 06:16:19 2007
    Raid Level : raid1
    Array Size : 77023552 (73.46 GiB 78.87 GB)
 Used Dev Size : 77023552 (73.46 GiB 78.87 GB)
  Raid Devices : 2
 Total Devices : 1
Preferred Minor : 1
   Persistence : Superblock is persistent

   Update Time : Thu Apr 26 07:35:41 2007
         State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
 Spare Devices : 0

          UUID : 39c8b2dc:8d81c3fa:ebb5bd38:dd773473
        Events : 0.712607

   Number   Major   Minor   RaidDevice State
      0       3        3        0      active sync   /dev/hda3
      1       0        0        1      removed
[root@server /]#


Is a logical failure or fisical ?

Can someone help me to fix it ?

Thanks again

roberto




2007/4/25, Miguel <infopnte@xxxxxxxxxxxxxxxxx>:
Hi Roberto.

The raid1 md1 is damaged. The partition hdc3 has been discarded by the
system, that now only works with one of the two partitions of the mirror
(hda3).
You can have more details with:

mdadm --detail /dev/md1

Sorry, my English is not good


The partition md1 is RAID-1 with hda3 and hdc3 but hdc3 is wrong and the
system is running with hda3

Roberto Pereyra escribió:
> Hi
>
> I have a Raid 1 centos 4.4 setup and now have this /proc/mdstat output:
>
> [root@server admin]# cat /proc/mdstat
> Personalities : [raid1]
> md2 : active raid1 hdc2[1] hda2[0]
>      1052160 blocks [2/2] [UU]
>
> md1 : active raid1 hda3[0]
>      77023552 blocks [2/1] [U_]
>
> md0 : active raid1 hdc1[1] hda1[0]
>      104320 blocks [2/2] [UU]
>
>
> What happens with md1 ?
>
>
> My dmesg output is:
>
> [root@server admin]# dmesg | grep md1
>
> Kernel command line: ro root=/dev/md1 rhgb quiet
> md: created md1
> raid1: raid set md1 active with 1 out of 2 mirrors
> md: md1 already running, cannot run hdc3
> md: md1 already running, cannot run hdc3
> EXT3-fs: md1: orphan cleanup on readonly fs
> EXT3-fs: md1: 4 orphan inodes deleted
> md: md1 already running, cannot run hdc3
> EXT3 FS on md1, internal journal
> [root@server admin]#
>
>
> Thanks for any help !!!
>
> roberto
>
>

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--
Ing. Roberto Pereyra
ContenidosOnline
http://www.contenidosonline.com.ar
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