Messages in this thread | | | Date | Sat, 5 Apr 2003 02:57:44 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: PATCH: Fixes for ide-disk.c |
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Are you issuing "standby" or "suspend" ?
The shutdown issues a "standby" and not a "suspend", this is why you get the spinup on a flush-cache.
On Sat, 5 Apr 2003, John Bradford wrote:
> > People using swsusp under 2.4 found that everything worked > > fine if they rebooted after writing the image, but powering down at the > > end of writing the image caused corruption. I got the additional check > > from the source for hdparm, which only does the new check to determine > > if a drive has a writeback cache. > > Did we ever establish what the best way to ensure that the write cache is > flushed, is? An explicit cache flush and spin down are both necessary, but > I had problems with drives spinning back up when we did the spindown first. > > John. > - > 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/ >
Andre Hedrick LAD Storage Consulting Group
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