[lug] umount /dev/hda

Michael D. Hirsch mhirsch at nubridges.com
Thu May 29 13:45:38 MDT 2003

On Thursday 29 May 2003 03:18 pm, D. Stimits wrote:
> Garett Shulman wrote:
> > Hello Everybody, I have a progear tablet pc running linux. I use it
> > more or less as a very cool X display. I don't really run any apps on
> > the progear itself. The ram is never more than half full and the swap
> > is never more than 0. However, the HD spins up and down every minute.
> > I have tried noflushd. no luck. I would like to just unmount the hard
> > drive and let linux exist completely in memory. Does anybody have any
> > suggestions or know of any documents I might check out? Thanks a lot.
> > -Garett
> Possibly you're using a journalling filesystem, and it is flushing the
> logs for the journal. I'd start by checking the mount options for the
> filesystem type, relative to journal options.

No, this is normal behavior.  You can try to play with bdflush options, if 
there is still such a thing, but I've never found a complete solution for 
that.  The noatime mount option should help, too.


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