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Old 08-28-2011, 09:27 PM   #1
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Registered: Aug 2011
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Raid 1+0 MDADM question

I have a server running 4 x 1TB drives currently in RAID 10 md0 - (sda2, sdb1, sdc1, sdd1).
Yesterday, the server started to run a lot slower than usual, and now Ubuntu has shown an error stating that Disk Drive Failure is Immenent (on sdb1).
Should I just flag sdb1 as failed, remove it from md0, power down system, and replace the drive with a blank disk then rebuild?
I am unsure as to the order I should be doing things to rectify this.
Old 08-30-2011, 02:14 AM   #2
Registered: Feb 2007
Location: UK
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Run a smart check on it, you can try to remove and readd but your steps are correct
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