[lug] umount /dev/hda

[Garett Shulman]

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 
>friend.
>
>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.
>
>Michael
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