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'''A drive failure can corrupt an entire array: RAID does not replace backup!'''}}
'''A drive failure can corrupt an entire array: RAID does not replace backup!'''}}
{{Note box| SME Servers Raid Options are largely automated, but even with the best laid plans things don't always go according to plan. See also: [[Raid:Manual Rebuild]], [[Raid:Growing]] and [[Hard Disk Partitioning]]. There is a wiki on the Linux software raid, you will find many [https://raid.wiki.kernel.org/index.php/Linux_Raid cool Tips here] }}
{{Note box| SME Servers RAID Options are largely automated, but even with the best laid plans things don't always go according to plan. See also: [[Raid:Manual Rebuild]], [[Raid:Growing]] and [[Hard Disk Partitioning]]. There is a wiki on the Linux software raid, you will find many [https://raid.wiki.kernel.org/index.php/Linux_Raid cool Tips here] }}
===Hard Drives===
===Hard Drives===
Login as root, type console. Select Item 5. "Manage disk reduncancy"
Login as root, type console. Select Item 5. "Manage disk reduncancy"
<nowiki>--------Disk Reduncancy status as of Thursday Dec 22 -------
<nowiki>--------Disk Reduncancy status as of Thursday Dec 22 -------
Current RAID status:
Personalities : [raid1]
md2 : active raid1 hda2[0] <-- NOTICE hdb2[#] is missing. Means hdb2[#] failed.
38973568 blocks [2/1] [U_]
md1 : active raid1 hda1[0] hdb1[1]
104320 blocks [2/2] [UU]
unused devices: <none>
Only Some of the RAID devices are unclean. <-- NOTICE This message and
Manual intervention may be required.</nowiki> <-- this message.
Notice the last 2 sentences of the window above. You have some problems. <br>
Notice the last 2 sentences of the window above. You have some problems. <br>
If your system is healthy however the message you will see at the bottom of Raid Console window is:
If your system is healthy however the message you will see at the bottom of Raid Console window is:
