[linux-lvm] Keep snapshots active for 24 hours?
Anselm Kruis
A.Kruis at science-computing.de
Mon Dec 17 03:08:02 UTC 2001
Hi Wolfgang,
On Sun, 16 Dec 2001, Wolfgang Weisselberg wrote:
> Hi, Steve!
>
> Steve Wray (steve.wray at the.net.nz) wrote 70 lines:
>
> > - take a snapshot, install something or try something out
> > that might break something, then restore *directly* from
> > the snapshot if anything goes wrong; without having to actually
> > back it up to media and restore it.
>
> Even better would be writable snapshots for that:
> - make a snapshot of (everything where the install writes to
> - install the program
> - test it on the snapshot
> - junk the snapshot if the install is bad
>
> and, of course, you might want to migrate changes from the
> snapshot to the original FS (or vice versa). That however
> is a second feature. Until then you'd have to do the install
> all over again -- once we actually get writable shnapshots.
I posted a patch for writeable snapshots about a month ago. Look for the
subject "[PATCH] writeable snapshots". The patch sould apply clean against
current LVM.
-Anselm
>
> -Wolfgang
>
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>
---
Anselm Kruis Tel. +49 (0)89-356386-74
science + computing ag FAX +49 (0)89-356386-37
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