I have a T310 server, and the RAID is being reported as degraded when rebooting. I've run Dell Online Diagnostics, and I'm getting a failure on the controller X test, and a read failure on one of the 3 drives. I have replaced failed drives in a RAID 1, but in RAID 5 can I just replace the what appears to be failed drive with one of equal or larger capacity and have it rebuild? Does the controller card need to be replaced, or might the failed drive cause the controller to test as failed?
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