Date: Fri, 27 Jul 2001 10:07:10 -0500 From: Pete McKenna <pmckenna@qwest.net> To: Andrew Reid <andrew.reid@plug.cx> Cc: Sascha Lucky Luck <bofh@online.ie>, freebsd-isp@FreeBSD.ORG Subject: Re: FreeBSD Mail Toaster CLUSTER Message-ID: <20010727100710.D54270@otto.oss.qwest.net> In-Reply-To: <996237209.4218.1.camel@percible.alfred.cx>; from andrew.reid@plug.cx on Fri, Jul 27, 2001 at 10:03:27PM %2B0930 References: <20010726065304.39908.qmail@web20106.mail.yahoo.com> <3B5FDE77.DC5FC3DB@i-clue.de> <996207686.1405.14.camel@percible.alfred.cx> <996236914.3b615e72f3c96@mail.online.ie> <996237209.4218.1.camel@percible.alfred.cx>
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On Fri, Jul 27, 2001 at 10:03:27PM +0930, Andrew Reid wrote:
> On 27 Jul 2001 13:28:34 +0100, Sascha Lucky Luck wrote:
>
> > The file system where the user accounts live must then be shared
> > between the different mail servers. We mounted that from a Network
> > Appliance Filer cluster, so that was pretty safe to begin with.
>
> Is there any way to do this with FreeBSD and a supporting crew?
Yes, we had a nice talk from BSDCon with info on this but after the
site was discovered by the slashdot crowd management asked that it be
removed. FreeBSD was not the issue it was some statements about network /
backbone topology.
Anyway, we use a single mail-storage box on a beefy RAID with redundant
power RAID controllers etc. Then we proxy POP and IMAP from front-end
servers, it's very similar to the Net App solution but avoids NFS.
We use this in some of our larger remote sites. ( We are so distributed
it's sick, this also caused great confusion with the slides, the
reason is FCC regulations )
We have used Net Apps in the past both remotely and in our NOC and have
plans to do so in the future for some mail storage.
Pete
>
> > User account information needs to either reside on the shared FS or
> > must be duplicated (eg. rdist) between the machines.
>
> Or LDAP :-)
>
> > If you are connected to the server that failed you'll have to
> > reconnect. Otherwise the user will never notice a server failure.
>
> The ultimate aim :-)
>
> - andrew
>
> --
> void signature () {
> cout << "Andrew Reid -- andrew.reid@plug.cx" << endl ;
> cout << "Cell: +61 401 946 813" << endl;
> cout << "Quidquid latine dictum sit, altum viditur" << endl;
> }
>
>
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--
Peter McKenna Qwest Internet Solutions
pmckenna@qwest.net Main 612-664-4000
FAX 612-664-4770
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