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Re: [Gluster-devel] Confused on AFR, where does it happen client or serv


From: Brandon Lamb
Subject: Re: [Gluster-devel] Confused on AFR, where does it happen client or server
Date: Mon, 7 Jan 2008 22:15:43 -0800

On Jan 7, 2008 9:53 PM, Anand Avati <address@hidden> wrote:
> > I got some very odd failover problems when using the RR DNS failover
> > config (when testing failures mid-write, etc), but that was a few
> > versons back.  I highly recommend using AFR on the client side as a
> > failover solution.  It's very robust, and easy to deal with on the
> > server end (since you have a full copy of the file system on each
> > server).
>
>
> You might need some 'read-subvolume' option set in your serverside AFR to
> prefer local volumes to remote ones while reading which is the most likely
> reason for performance fluctuations.
>
> If you have more than two servers it's not the most efficient
> > use of your space though.
>
>
> If you have more than N servers, while you want only N copies of files, you
> can make efficient usage of space by exporting multiple volumes from the
> same server, and having M interleaved AFRs which are unifed with one 'unify'
> xlator.
>
> thanks,
> avati
>
>
> --
> If I traveled to the end of the rainbow
> As Dame Fortune did intend,
> Murphy would be there to tell me
> The pot's at the other end.

Haha wow should I feel pretty stupid for not totally understanding that? =P

Is there a mac version of GlusterFS with a pretty GUI?

hehe!




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