On Tue, 10 Jul 2007 14:39:41 EDT, Ric Wheeler said: > All of the high end arrays have non-volatile cache (read, on power loss, it is a > promise that it will get all of your data out to permanent storage). You don't > need to ask this kind of array to drain the cache. In fact, it might just ignore > you if you send it that kind of request ;-) OK, I'll bite - how does the kernel know whether the other end of that fiberchannel cable is attached to a DMX-3 or to some no-name product that may not have the same assurances? Is there a "I'm a high-end array" bit in the sense data that I'm unaware of?
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