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Second RAID array in Dell server?

Posted on 2010-11-15
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I have a Dell PowerEdge 2850 with a PERC 4e/Di/Si RAID controller.  It currently has three 36 GB 15k SCSI drives (hot plug) configured as a RAID 5 array.  There are 3 additional open hot plug hard drive slots and we would like to create an additional RAID 1 or RAID 5 array with some larger drives for a storage volume.

I've never done anything like this before and was wondering:

1. Is it possible with this controller to have a second RAID array?  If so can it be RAID 5?
2. Do the drives have to by SCSI drives or can they be SATA drives?  If SCSI only do they have to be 15k drives?
3. If this is possible, is it fairly straightforward to set it up in the RAID controller BIOS or is it a complex process?

Thanks
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Question by:jtgerdes
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PowerEdgeTech earned 500 total points
ID: 34139737
This is possible:

1. Yes, it can be RAID 5.
2. They must be SCSI drives - the 2850 does not support SATA, and they would not fit.  They can be 10K or 15K SCSI - 80PIN, hot-swappable.
3. Very easy to do from Windows (or the BIOS utility for the controller).

If you have Windows, install OpenManage Server Administrator:
ftp://ftp.dell.com/sysman/OM-SrvAdmin-Dell-Web-WIN-6.3.0-2075_A00.20.ex

Download and run to extract/unzip files, then run C:\Openmanage\windows\setup.exe.  Choose Custom install and make sure that Storage Management is installed.

Once installed and the drives are inserted, just go to Storage, PERC, Information/Configuration (link at the top of page), then New/Create from the drop down menu of available tasks for the controller.  Go through the wizard choosing your new disks, and the RAID level, and you're done.  2003 "may" need a reboot before the space is usable.

You can also do this from the BIOS utility for the PERC 4e/Di (CTRL-R) ... Configure, View/Add - it will show your existing drives with a A00-0x or similar identifier, and it will show your new drives as READY.  Select each drive to be a part of the RAID 5 by hitting Space Bar (they will begin to blink), then Enter to finalize selection (they will stop blinking), hit F10 to Configure, Space Bar to select the Span, then F10 to Configure, select the RAID level 5 (leaving all other settings at defaults, unless you know exactly what you are doing), then Accept, Save.  Then in the Main menu, go to Initialize, carefully select Logical Disk 01, Space Bar to select, then F10 to Initialize.  

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by:jtgerdes
ID: 34139853
Excellent - hey do you know by chance if that controller will support 146 GB or 300 GB SCSI drives?
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by:PowerEdgeTech
ID: 34139866
It will support 146GB and 300GB.
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by:jtgerdes
ID: 34139903
Thanks!
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