Re: [cobalt-developers] Backup and Migration

[Jeff Lasman <jblists@xxxxxxxxxxxxx>]

Fraser Campbell wrote:

> We have 2 RAQ1 servers and 1 RAQ3 server.  All servers are seriously
> damaged due to an unscrupulous administrator and need to be reinstalled.
> 
> We wish to upgrade the RAQ1s to RAQ2 software.  Is there a way to
> temporarily migrate sites from a RAQ1 to a RAQ3 and then move them back to
> a RAQ2 after we've upgraded.

Yes.

> I don't see any way of doing this easily

Oh, now you're adding "easily"?  Sorry, the answer becomes "no".

> so
> our intention is to move the sites temporarily to a vanilla redhat server
> and then back to an upgraded RAQ.
> 
> How have others handled this?  The CMU scripts don't seem to be available
> for RAQ1 and it also doesn't look like they'd let us go the RAQ3->RAQ2
> route.  Any ideas?

One site at a time, through the gui, it now takes me about 5 minutes a
site, after the sites' data has been moved to /temp (which I create as a
symbolic link to /home/sites/home/users/admin/temp.  I agree, that's
still way too long.  And... it doesn't include multiple users, but only
one user per site.

I'm currently looking at other options, but I've not come up with
anything yet.  If you've got a significant number of sites you can speed
up a bit by using Cobalt's scripts to create the sites and  users (see
the archives to this group).  It's still NOT easy.

> Also once we upgrade the machines what is a good backup policy?  We want to
> use an Amanda server (on a remote Redhat machine) and  backup using an
> Amanda client on each RAQ.  What must be backed up to make restoration a

A lot.  /usr/local, /etc, /home, /root /var/spool, and probably a lot
more <frown>, all recursive backups.

Jeff
-- 
Jeff Lasman <jblists@xxxxxxxxxxxxx>
nobaloney.net
P. O. Box 52672
Riverside, CA  92517
voice: (909) 787-8589  *  fax: (909) 782-0205