SCSI Raid 1, 5 and 0 configuration modification.

Posted by on November 11, 2011 in BIOS, Operating Systems | 0 comments

So I had a server that I had a raid 1 configuration and a raid 5 configuration running at the same time. I couldn’t figure out in the bios how to remove the raid 5 configuration so I could rebuild it as a different configuration. So I took a leap of faith and removed both configurations, which was the “Clear” option I could find. I put 4 new harddrives into a raid 0 configuration and then reselected the original 2 drives that were part of the raid 1 as a new raid 1 drive. I initialized the new raid 0 array, but did not initialize the raid 1 array. I rebooted the machine, and much to my thankful surprise the raid 1 array was working fine and I hadn’t lost the operating system.

I did lose the data on the raid 5 array, but that was expected. I could have rebuilt the raid 5 array with bigger drives piece by piece, but I didn’t need the redundancy the raid 5 provides. So far I am very pleased with the performance of the raid 0 array.

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