Hi,
On Tue, Dec 13, 2005 at 05:21:03PM -0800, [EMAIL PROTECTED] wrote:
>
> Does it work to:
>
> 1. Have homedirs be forced-r/w mountpoints, use vos addsite / vos release
> for backups
> and do 'vos convertROtoRW' as recovery? I can't see why this one wouldn't
> work.
>
> 2. Do a 'vos copy' to another fileserver and then 'vos rename' the copy back
> to the
> original name for a restore? I'm concerned that the numeric ID of the volume
> would
> change and that cache managers might wind up confused?
>
> I'm trying to get fast on-line/near-line recovery in the event of a failed
> shelf or
> otherwise corrupt fileserver, without going through 'vos restore' for every
> volume. The
> 'vos backup[sys]' command doesn't get me what I want because in the event of
> a shelf
> failure the clone is gone as well.
What about this solution:
1. Homedirs are RW-mountpoints (they always should be...), volumes are on
fileserver
f1.
2. There's RO-copy of all homedir-volumes an a different fileserver (f2),
updated
on a regular basis (vos release).
3. When f1 crashes, you do this:
for v in [all homedir volumes]; do \
vos convertROtoRW -server f2 -partition a -id $v; \
done; \
bos salvage -server f2
4. Make sure f1 stays down!
There should be no change in volume ids but maybe other side effects that are
unavoidable in such a situation.
Example: ~/.Xauthority is not up-to-date -> users will have to relogin into
their X-sessions.
Regards,
Frank
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