Few days ago met intersting question:
Let assume we have RAID10 on 4 disks. We want to remove two disks
without breaking array.
How we can know which drive is safe to eject? For 1st drive it obvious:
any of. Second is more complicated: we need eject mirror part of 'second
pair'.
How we can know exact topology of raid? (--detail does not provide
enough information, IMHO).
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