you amy want to check your firmware and driver for the CERC also check to see if your storeport is out of date... These will show your array as degraded if they are out of date.
I have updated the firmware and the driver..... how do i check the storeport?
I am also getting a dimm1_a memory failure- can i leave DIMM1 empty? in case Dimm1 is not reading-
From the screen shot, I can tell you are running RHEL as per the driver listed. The firmware is current, but from the screen, I don’t see where it lists degraded or what issues you are experiencing as it relates to doing the rescan. Did you add a drive or make another change? From your PERC5i, do you have the option on that controller under Information/Configuration to do a recan?
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For linux I am unsure the name of the services but in windows they start with DSM restarting them could solve your issue but I would just wait until the rebuild finishes before trying anything else