Scott do you also mount the queue dir's from the netapp ???
----- Original Message -----
From: "Scott Helms" <[EMAIL PROTECTED]>
To: "Duane Wylie" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, December 30, 2002 11:16 AM
Subject: Re: [vchkpw] vpopmail clustering examples
> We use Alteons to do the load balancing and a pair of NetApp F810c's
> the HA NFS system. I won't include any details since its easy enough to
> the data from the guys at Netapp. We run 7 qmail/vpopmail servers with 3
> mysql servers (one master and 2 slaves that are read only).
> ----- Original Message -----
> From: "Duane Wylie" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, December 30, 2002 1:41 PM
> Subject: RE: [vchkpw] vpopmail clustering examples
> > Sorry 'bout sending that last message as 'Super-User'...
> > We're using F5's load balancer and it's been working great for us. It
> > similar features as the Foundry switch you mentioned (and the service
> > monitoring is great!).
> > The main worry I have at this point is the NFS server. Even though the
> > system in question is RAID 5, and is in a separate disk enclosure, I
> > like having that one NFS server as a single point of failure.
> > Is anyone using some sort of HA storage solution? If so, care to share
> > details?
> > Thanks,
> > Duane Wylie
> > -----Original Message-----
> > From: Andre Fortin [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, December 30, 2002 11:53 AM
> > To: [EMAIL PROTECTED]
> > Subject: RE: [vchkpw] vpopmail clustering examples
> > We have a very similar set up. We have a third machine as the MySQL
> > which doesnt directly interact as a mail server, but it makes the MySQL
> > database triple-redundant without sacrificing performance.
> > For load balancing/redundancy, we are using Foundry
> > (http://www.foundrynetworks.com/) switches with the SLB (Server Load
> > Balancing) code. Very powerful; it not only detects if the server is
> > running, or listening to port 25/110, but it actually understands SMTP
> > POP3 and will make sure the SMTP and POP3 servers are responding
> > part of its 'heartbeat' tests.. So, for example, if you had a machine
> > had a problem and would still listen to port 25 but couldnt actually
> > with a '220', it would be treated as 'offline' instead of opening dead
> > connections for clients.. It also allows you to load balance between X
> > number of servers rather than just failing over in 'worst case scenario'
> > situations..
> > Andre