Actually, in my experience, the drive may not have a permement failue.  You can re-activate the drive again, it will resync the failed drive, and you are running again.  If it happens too frequently, replace the drive.  

 
--- 
Wayne Johnson,                         | There are two kinds of people: Those 
3943 Penn Ave. N.          | who say to God, "Thy will be done," 
Minneapolis, MN 55412-1908 | and those to whom God says, "All right, 
(612) 522-7003                         | then,  have it your way." --C.S. Lewis



>________________________________
> From: Mike Miller <mbmiller+l at gmail.com>
>To: TCLUG Mailing List <tclug-list at mn-linux.org> 
>Sent: Monday, April 2, 2012 10:06 AM
>Subject: [tclug-list] fixing a RAID1 after drive failure
> 
>Suppose one drive failed in my RAID1 mirrored pair.  Can I then simply pull the bad drive, replace it with a good one (brand new), and have it work?  Will it just automagically rebuild the RAID1 by mirroring onto the new drive?
>
>This is Ubuntu software RAID1.
>
>Mike
>_______________________________________________
>TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
>tclug-list at mn-linux.org
>http://mailman.mn-linux.org/mailman/listinfo/tclug-list
>
>
>
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