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I heard that you can make a mirrored lun out of an odd number of disks. Whats up with that?

April 26, 2017disks heard lun mirrored odd

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I heard that you can make a mirrored lun out of an odd number of disks. Whats up with that?

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A. Yes, you can. Infodoc #22450 gives a nice explanation on it. You (and your customers) can read all about it. The thing to remember is that this is still RAID 1+0 (sort of) and can withstand multiple drive failures. But those drives cannot be adjacent. If you lose two disks next to each other (that goes for d9 and d1 too), then the data is toast.