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94180
July 13th, 2012 09:00
Change RAID 5 to RAID 10
Hello,
I am looking to upgrade a PowerEdge R710 server with a PERC 6/i controller from a RAID 5 setup to a RAID 10 setup. Currently the RAID 5 setup has 3, 300GB SAS drives. I have another drive I plan on adding to the setup. However, I was hoping to avoid a bare metal restore if at all possible. Is it possible to simply add another drive to the system and update the VD with the new drive and change the RAID setup to 10?
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theflash1932
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July 13th, 2012 09:00
The PERC's support Online Capacity Expansion which allows you to expand the size of an array by adding disks (3-disk RAID 5 to 4-disk RAID 5, for example).
They also support RAID Level Migration which, using the same technology, allows you to convert one RAID level to another (RAID 5 to RAID 6, for example).
However, OCE and RLM do not support "nested" RAID levels (RAID 10/50/60) as either the starting or the target RAID level for either operation. Unfortunately, you will need to backup, delete RAID 5, create RAID 10, and restore.
Sean Blitz
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July 13th, 2012 12:00
I was afraid of that. Thank you for responding.