[linux-lvm] lvm over loop device

[geert Geurts]

Ok, I'll try your snapshots idea.
Is it possible to mount such a snapshot like it's an image?


2008/9/26 Stuart D. Gathman <stuart at bmsi.com>

> geert Geurts wrote:
> > ps. for people interested, I'm trying to create a disk of allot of
> > small virtual disks so I can create a encrypted partition on for
> > instance gmailfs and minimalize up/download time on changes.
> > Pretty cool if it's possible no?
> I think a better solution might be to keep the encrypted fs on a single
> normal LV.  Take a snapshot and send to remote.  Keep the snapshot
> around.  On next upload, take a 2nd snapshot, and send the diff between
> the two snapshots.  The diff can be efficiently computed from the COW
> tables - accessible as dw-nn devices.  After sending the diff, delete
> the 1st snapshot and go back to "keep snapshot around".
>
>
>
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