Filesystem overlay ?
Dave Stubbs
dave.stubbs-H217xnMUJC0sA/PxXw9srA at public.gmane.org
Tue Feb 8 16:18:20 UTC 2005
Peter L. Peres wrote:
>
>
> On Fri, 4 Feb 2005, Adil Kodian wrote:
>
>> but i doubt if it is as easy as specifying the right commands to mount -
>> atleast i couldnt get it with a simple google. A simple solution is to
>> create many 1mb tmpfs partitions in RAM that can be mounted as any
>> folder
>> under /var - tmpfs dynamically resize these partitions in memory
>> depending
>> on utilization. You must remember, this requires a significant amount of
>> ram. A better solution is to put in a dummy 10 or 20 gig hard drive,
>> and get
>> the OS on the liveCD to reformat (and if needed -repartition) the
>> hard drive
>> on every boot to create writable disk partitions for every install.
>> Depending on your system this can be really fast if you use reiserfs.
>> This
>> is somewhat a hybrid between a full liveCD and a full install.
>
>
> What would it take to have a script copy /var from cdrom into the
> partition on hdd at boot time, then mount this /var partition onto the
> /var from cdrom, thus shadowing it.
>
Well <smile> considering William is working on a system that runs
without hdd, it would take quite a lot...
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