SBC-3 4.15.3 Write caching says: "If processing a write command results in logical block data in cache that is different from the logical block data on the medium, then the device server shall retain that logical block data in cache until a write medium operation is performed using that logical block data."
Does "is performed" mean "completes successfully" or just "completes"? If "is performed" just means "completes", maybe with an error, the application would have to resubmit write requests and then try to flush the write cache again. I'm not aware of applications that keep acknowledged write data around until the cache flush completion in order to retry writes. Can anyone clarify the SBC spec on this point? Thanks, Stefan
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