Messages in this thread | | | Date | Mon, 3 Dec 2001 11:23:40 +0100 | From | Matthias Andree <> | Subject | Re: Journaling pointless with today's hard disks? |
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On Tue, 27 Nov 2001, Pavel Machek wrote:
> > Note, the specifications say that the write cache setting is ignored > > when the drive runs out of spare blocks for reassignment after defects > > (so that the drive can return the error code right away when it cannot > > guarantee the write actually goes to disk). > > They should turn off write-back after number-of-spare-block < cache-size, > otherwise they are not safe.
I don't know exactly what they're doing, but they also need to safeguard against defective spare blocks, so number-of-space-blocks < cache-size is not sufficient. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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