Changes

Sometimes a partition will be taken offline automatically. This will happen if, for example, a read or write error is detected in a disk in the RAID set. When this happens, the details of the raid can be seen by inspecting the mdstat file. In the following example, partition hda2 (hard disk 'a', partition 2) is offline:

Sometimes a partition will be taken offline automatically. This will happen if, for example, a read or write error is detected in a disk in the RAID set. When this happens, the details of the raid can be seen by inspecting the mdstat file. In the following example, partition hda2 (hard disk 'a', partition 2) is offline:

<code>[root@sme]# cat /proc/mdstat

<pre>[root@sme]# cat /proc/mdstat

Personalities : [raid1]

Personalities : [raid1]

md1 : active raid1 hda3[0] hdb3[1]

md1 : active raid1 hda3[0] hdb3[1]

       1048704 blocks [2/1] [_U]

       1048704 blocks [2/1] [_U]

md0 : active raid1 hda1[0] hdb1[1]

md0 : active raid1 hda1[0] hdb1[1]

       255936 blocks [2/2] [UU]</code>

       255936 blocks [2/2] [UU]</pre>

<noinclude>[[Category:Howto]]</noinclude>

<noinclude>[[Category:Howto]]</noinclude>