Andre Hedrick wrote:
> On Mon, 31 Jul 2000, Xuan Baldauf wrote:
>
> > Now I made all my partitions noatime, and wow,
> >
> > sync; hdparm -C -Y /dev/hda; sync; hdparm -C /dev/hda
> >
> > does not necessarily spin up the disk!
>
> Because you have to issue a drive reset.
This is my intent, not to spin up the disk. (In my previous case, sync
always spun up the disk because the filesystem was not mounted with
"noatime".)
>
>
> Andre Hedrick
> The Linux ATA/IDE guy
Xu?n.:o)
On Mon, 31 Jul 2000, Xuan Baldauf wrote:
> > > does not necessarily spin up the disk!
> >
> > Because you have to issue a drive reset.
>
> This is my intent, not to spin up the disk. (In my previous case, sync
> always spun up the disk because the filesystem was not mounted with
> "noatime".)
This will still not work, since after some time, the kernel starts
missing the drive acknowledgements and eventually issues a reset
condition on that IDE channel. See my other mail for details.
--
Matthias Andree