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Adding space to raid 5e on IBM ServeRaid 6M controller

Posted on 2008-10-22
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Last Modified: 2013-12-01
Hi all,

This is my first time posting a question on this site and I hope someone can help.

I have an IBM eServer xSeries 236 (Model: 8841-AC1) with an IBM ServeRaid 6M controller running 4-70g in a RAID 5E configuration, therefore giving me a total of 140gb of usable storage space between my 2 partitions (C and D).  I am now running low on space on and want to upgrade to add more storage.  My question is can I add additional drives to the array to add to the storage capacity of partition C and D?

Thank you in advance.
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Question by:nealgomes
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noxcho earned 125 total points
ID: 22784027
Check if your RAID controller supports Hot Spare functionality. Then connect the new storage and tell to RAID BIOS to redistribute the space including the new storage.
As it is done you need to allocate free space to existing volumes as RAID cannot do this automatically. Your new storage will be detected as free unallocated space block on HDD in Windows Disk Management.
Since then use Paragon Partition Manager 9.0 Server Edition: http://partition-manager.com/ 
to allocate this space to C: and D: volumes.
Contact Paragon support and ask for best way of reallocation if you do not have any practice with partitioning tools yet.
If the RAID controller does not support adding new drive then you can create backup image of the C: and D: volumes first with the same Partition Manager 9.0 then reconfigure RAID with bigger drives and restore with autoresize to new RAID your both volumes.
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by:nealgomes
ID: 22790801
noxcho,
When you ask if it supports Hot Spare functionality, is this the same as "Support for hot- and cold-swapping of HDs"?  Because this is listed as one of its features.
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by:noxcho
ID: 22791052
Yes, I meant exactly this. The ability to replace failed drive without rebuilding the RAID.
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