[lug] umount /dev/hda
shulmang at colorado.edu
Thu May 29 08:21:41 MDT 2003
Michael, thanks a lot for your suggestion. Do you have any ideas how I
can find out which files/directories need to be on the ramdisk? -Garett
Michael D. Hirsch wrote:
>On Thursday 29 May 2003 06:53 am, 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.
>Have you tried adding "noatime" to the mount options? This could help
>quite a bit.
>>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.
>I haven't quite done this, but something almost as good. I once fixed up a
>laptop so that all dirves were mounted read-only. This was before Linux
>had any journalling filesystems and I wanted to be able to turn the power
>off without long fsck times on restart.
>You need to make yourself a ramdisk and copy a few files/directories to it.
>Any file that changes needs to be on the ramdisk. Symlinks are your
>Once you get it working, nothing will ever change on the disk, so the drive
>will only spin up when you need something from it.
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