Messages in this thread | | | Subject | Re: Disk (block) write strangeness | From | Alan Cox <> | Date | 05 Aug 2002 21:17:12 +0100 |
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On Mon, 2002-08-05 at 19:49, Jakob Oestergaard wrote: > *) Either the disk writes backwards (no I don't believe that) > *) Or the kernel is writing 256 B blocks (AFAIK it can't) > *) The disk has some internal magic that cause a power-loss during > a full block write to leave the first half of the block intact with > old data, and update the second half of a block correctly with new > data. (And I don't believe that either).
You forgot to add
*) or the disk internal logic bears no resemblance to the antiquated API it fakes for the convenience of interface hardware and software
Linux also won't neccessarily do write outs in order.
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