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Question: I want to expand my array on the MegaRAID controller adding more drives. Answer:
You cannot expand all RAID arrays, adding drives to the existing array. See below for details. Caution!! Always create a backup prior to Hardware / Software changes. Expanding RAID 0 (Using 2x drives), you require a minimum of 1x drive. Expanding RAID 1 (Using 2x drives), you require at minimum of 2x drives. Expanding RAID 00 (Using 4x drives), RAID cannot be expanded. Expanding RAID 10 (Using 4x drives), RAID cannot be expanded. Expanding RAID 5 (Using 3x Drives), you require a minimum of 1x drive. Expanding RAID 6 (Using 3x Drives), you require a minimum of 1x drive. Expanding RAID 50 (Using 6x Drives), RAID cannot be expanded. Expanding RAID 60 (Using 8x Drives), RAID cannot be expanded. If you want to expand RAID 00, 10, 50 or 60, you will have to first create a backup of your system. Delete the array and create a new array with all the drives, Now restore your backup to the array. NOTE: Capacity expansion is only possible on RAID 0, 1, 5 and 6. Please keep in mind, there should only be "1 virtual drive" on the array. If you have more than 1 virtual drive, then you cannot enlarge your array. You will have to create a backup, delete the array, create a new RAID and restore your backup to the new virtual drive. See also "MegaRAID SAS Software User Guide" chapter "4.9 Viewing and Expanding a Virtual Drive" page 130, 157, 192, 244, 296 for details. http://www./downloads/Public/RAID%20Controllers/RAID%20Controllers%20Common%20Files/51530-00_RevO.zip |
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