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November 2nd, 2011 07:00
PERC6/i - Converting from RAID 5 to RAID 6 - Possible?
I have a PowerEdge 2900 III with a PERC 6/i Controller. The PERC has 2 arrays, each one with 3 hard drives and each hard drive is the same size/speed (146GB 15K rpm SAS).
I would like to delete the second array and add those disks to the first, so we have a single 6-disk RAID 5 array. Then I'd like to convert the array to RAID 6.
Is this possible without losing any data on the first array?
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Dev Mgr
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November 2nd, 2011 08:00
To explain Daniel's suggested process:
- back up all data, especially the data on the 2nd raid 5
- delete the 2nd raid 5
- use Dell OpenManage Server Administrator (available for Windows, Linux and VMware ESX/ESXi) to reconfigure the existing raid 5 into a 6-disk raid 6
- grow your partition if needed, or use the free space to recreate the partition that used to be on the 2nd raid 5