On Wed, 26 Dec 2007, Florian Weimer wrote:
seek/read/calculate/seek/write since the drive moves on after the
read), when you read you must read _all_ drives in the set to check
the data integrity.
I don't know of any RAID implementation that performs consistency
checking on each read operation. 8-(
I could see a raid 1 array not doing consistancy checking (after all, it
has no way of knowing what's right if it finds an error), but since raid
5/6 can repair the data I would expect them to do the checking each time.
David Lang
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