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Re: Mirror Manager Backup

On Fri, Nov 09, 2007 at 01:09:30PM -0600, Jima wrote:
> On Fri, 9 Nov 2007, seth vidal wrote:
> >On Fri, 2007-11-09 at 12:16 -0500, Jeremy Katz wrote:
> >>The managemetn side of mirrormanager is.  But the "serve out the
> >>existing mirror information" side is perfectly fine without FAS (and
> >>realistically, is the part that more of us think of when we think MM)
> >
> >in my mind:
> >mirrormanger - the management side
> >mirrorlist - the actual mirrorlists
>  Ditto.
>  I do agree, though, that we could probably make mirrorlist redundant 
> without necessarily making mirrormanager so, and that would fulfill most 
> of our needs.

Right.  In practice, mirrorlist doesn't need regular access to the
database, and in case we can't reach the database, can continue to
offer slighly stale data (e.g. >1 hour old, which right now it never
is).  Which should be just fine.

Mike wanted me too stop doing queries on app4, and just pull the data
that's queried from app3.  Now that we're talking about more app
servers for the mirrorlist, this makes even more sense, and I'll look
to do this.  We will need app3 to generate the data, and then copy it
to the other app servers.

Matt Domsch
Linux Technology Strategist, Dell Office of the CTO
linux.dell.com & www.dell.com/linux

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