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Dell SAS  5 Mirror Raid Degraded.  (one drive bad ?)  No Windows Boot.  Can I tell Raid to boot from second drive ?

Posted on 2016-07-26
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Last Modified: 2016-12-08
I have a Dell PowerEdge 860  ( New 2007) running Windows 2003 R2  Standard
Add-in SAS5iR  RAID 1
Xeon 3040 2MB Ram  
2 each 250 GB SATA

On boot it tells me the following

"  Integrated RAID exception detected  Volume 00:001_) is current in state DEGRADED
Enter the SAS Configuration Utility to investigate  ( Press CTRL-C)

I can then see the Virtual Disk but it appears one of the drives is missing from all the menus

QUESTION  Can I assume one of the mirrored drives is dead and I hopefully the controller just needs to be told to "ignore" the dead drive and to boot from the "other drive"  
I can attach photos from the menus if need be..
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Question by:azpete
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dlethe earned 500 total points
ID: 41730558
Basically, but if I were you I would let it sit there until you had a replacement drive and let it stay at the BIOS and plug in the replacement drive and tell it to rebuild the RAID.

The drives are obviously ancient, and if you want to keep your data you  better make that RAID optimal ASAP.  The BIOS can rebuild the RAID at the BIOS level.  If you boot the o/s it will take longer than just the BIOS to rebuild the RAID because the rebuild has to compete with additional I/O from the o/s.
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Author Closing Comment

by:azpete
ID: 41734938
Excellent advice.
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Expert Comment

by:dlethe
ID: 41735252
glad to help.  good luck.
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