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September 2nd, 2012 21:00
Is this safe to enable, Predictive Failure and Revertible Hotspare?
Hello is it safe to turn these to ENABLED:
Abort Check Consistency on Error
auto replace member on predictive failure
allow revertible hot spare and replace member
Is there a pro or con, I read the DOC, but I want to make sure in PRODUCTION Server, is this safe in case of a failed drive one day?
Currently all three are DISABLED. I just want to make sure of no corrupt of data.
Thanks,
Retina
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DELL-Chris H
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September 4th, 2012 06:00
Retina,
You are fine with those being enabled. You need to run consistency checks when you have an error, but you can do that manually. The other 2 concern how a failing drive is handled. The replace is when a drive goes predictive failure then the controller forces it offline and then rebuilds with the hot spare. Revertible is that when you have had the hot spare rebuild to the array, when you replace the failed drive then the hot spare will offline itself and allow the replacement to rebuild, thus the hot spare becomes the hot spare again.
Let me know if you have any other questions or concerns.