On RAID 5 a spare disk wasn’t specified. So does not it matter if the parameter spare-devices isn’t used on CREATE? So which disk will be used as spare?
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Hi,
You do not have to specify a spare disk during creation of RAID 5. RAID 5 can still work when one of its disk fails. Although you do not have to have a spare drive in RAID 5, there are two good reasons to consider having it: