Duane,
No the queues run on local disk rather than on the NFS.
Scott
----- Original Message -----
From: "John Runnels" <[EMAIL PROTECTED]>
To: "Scott Helms" <[EMAIL PROTECTED]>; "Duane Wylie"
<[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, December 30, 2002 4:38 PM
Subject: Re: [vchkpw] vpopmail clustering examples
> 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
>
>
> > Duane,
> >
> > We use Alteons to do the load balancing and a pair of NetApp F810c's
> for
> > the HA NFS system. I won't include any details since its easy enough to
> get
> > 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).
> >
> > Scott
> > ----- 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
> has
> > > 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
> > file
> > > system in question is RAID 5, and is in a separate disk enclosure, I
> don't
> > > 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
> > master
> > > 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
> and
> > > POP3 and will make sure the SMTP and POP3 servers are responding
> properly
> > as
> > > part of its 'heartbeat' tests.. So, for example, if you had a machine
> that
> > > had a problem and would still listen to port 25 but couldnt actually
> > answer
> > > 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
> > >
> > >
> > >
> >
> >
> >
>
>
