Optimising pxeboot disk size

Paul B. Mahol onemda at gmail.com
Tue Dec 16 14:25:09 PST 2008

On 12/16/08, Bernard Dugas <bernard at dugas-family.org> wrote:
> Paul B. Mahol wrote:
>> On 12/16/08, Wojciech Puchar <wojtek at wojtek.tensor.gdynia.pl> wrote:
>>>>When you want to change something, you add a rw TransparentLayer :
>>>>mount -tl yournfsserver:/StationYchanges/etc /etc
>>>>So that changed or added files are only stored in this rw partition, thus
>>>>very small and easy to manage.
>>>>This would be a kind of partition inheritance, like in object
>>>> languages...
>>>>Dreams are allowed :-)
>>>try mount_unionfs
>> and mount_nullfs
> Thanks Paul, FreeBSD has always hidden treasures :-)
> MOUNT_NULLFS(8) doc is very detailled, but i can't find how to use it
> for my problem : being able to go from common shared configuration to
> specific private configuration.
> unionfs looks very close to my dream, but it is currently not available
> for production :-(

Well, I tested unionfs on CURRENT and it did not crashed on me. Feel
free to test it on 7 STABLE and report results to developers.


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