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Can RAID1 be rebuilt on Dell PowerEdge1600SC PERC 3/SC with ST336607LC & ST336607LSUN36G?

Posted on 2011-09-28
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Last Modified: 2012-05-12
A local office is using Windows 2000 Server on an ancient Dell PowerEdge 1600SC with PERC 3/SC controller. There are 2 mirrors. The first mirror had 2 Seagate ST336607LC drives. One went bad.

They have a Seagate ST336607LSUN36G they replaced it with. The mirror says it's rebuilding, but progress doesn't move past 0%.

The ST336607LC shows in Dell OpenManage as having a capacity of 34.12GB and used RAID disk space of 33.87GB. The ST336607LSUN36G shows capacity of 33.87GB and RAID disk space of 33.87GB.

Can this be made to work? If so, exactly what do we need to do?
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Question by:Texpertise
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by:dlethe
ID: 36812839
yes.  usable will be lowest capacity drive
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dlethe earned 500 total points
ID: 36812844
... but for your rebuild, you are screwed. it won't rebuild because your replacement disk has lower capacity then the one that it is replacing.  (Had you started from scratch, it would have worked).

You need a disk > 34.12GB to get the rebuild to work.  Get a 73GB drive if you have to.
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by:Texpertise
ID: 36816218
Can the ST336607LSUN36G be reformatted on that system to get the 34.12GB? Or is that particular model not going to cooperate?
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by:dlethe
ID: 36816323
SUN's OEM firmware changes the usable capacity.  It is possible the capacity could be changed with a mode page editor.  You would need a JBOD SCSI controller and the appropriate software.  I could tell you in a heartbeat with the stuff I have here, but I don't have one of those disks in the lab so can't tell you one way or another.

Frankly, if it cost you more than $25 to pick up a used 36GB seagate drive, I'd be surprised.  Modifying the mode pages is easy, but it will cost you more for the software then what you would pay for a proper drive.  heck, use a 73GB seagate if you have to.
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