Re: [Networker] Multiple Media Pools Bad?
2009-09-02 08:37:04
EMC NetWorker discussion <NETWORKER AT LISTSERV.TEMPLE DOT EDU> wrote on
08/31/2009 10:14:03 AM:
> Hello,
> I'm not trying to "hijack" this thread so I'm posting it under another
> subject.
>
> Why do you think it's bad practice to have multiple pools? Other than
> the pain of unchecking the drives if you have to delete and recreate
> devices (and it is a pain.. :), it seems to have worked well in our
> setup. We have multiple sites, and I don't want my backup traffic going
> across the wan, so having multiple pools seems to have worked well.
>
> I have separate pools for each of the following at each site:
> - windows os
> - linux os
> - sql
> - exchange
> - ndmp
> - vcb
I have pools for:
PRODUCTION (i.e., non-clone)
CLONE
BOOTSTRAP
and that's it, really. These are all for the servers at one site - the
other sites that have their own tape drives have their own unique pool
names, based on their site name.
> I would think that having multiple pools would speed up cloning as it
> wouldn't have to wait for source tapes, currently I clone by group and
> we have to make multiple clone copies of all of our data. Having
> multiple pools has worked pretty well for us.
I clone by group, but each group has only the one clone client in it. So I
have 6 groups marked as "clone", and a total of 6 clients in them.
> The usual reason is to speed up a DR situation, so that when you do an
> nsrck -L7 for all clients it does not need to read dozens of tapes.
That's the reason I have a "BOOTSTRAP" pool.
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