Date: Fri, 27 Jul 2001 14:33:01 +0200 From: "Oliver Blasnik" <r0m@taunus-biker.de> To: "Andrew Reid" <andrew.reid@plug.cx>, "Sascha Lucky Luck" <bofh@online.ie> Cc: <freebsd-isp@FreeBSD.ORG> Subject: Re: FreeBSD Mail Toaster CLUSTER Message-ID: <01f601c11698$467cf940$6560310a@intern.nextra.de> 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>
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Hi there, [Load-Balancing a Mailcluster, how to deliver Mail?!] > 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. If you use an NAS for such things, check out that the IMAP and delivery-Software is able to work with it... Afaik there was the talk of Cyrus, which storage is not NFS-aware. Maildir seems to be the only solution, so Courier should be the choice. > User account information needs to either reside on the shared FS or > must be duplicated (eg. rdist) between the machines. We are using a replicated MySQL DB on every mailserver in the cluster, which is more in-time as rdist (imho). > If you are connected to the server that failed you'll have to > reconnect. Otherwise the user will never notice a server failure. If there's a professional solution at the Loadbalancer-Level, you will never connect to a failed server. > > - andrew > HTH, > s. Just the same ;) Oliver -- -- http://www.nextra.de - INTERNET@WORK ----- oliver.blasnik@nextra.de -- Nextra Deutschland | Oliver Blasnik Senior System Administrator GmbH & Co KG | Lyoner Strasse 26 D-60528 Frankfurt Engineering TA&S | tel +49-69-66441-0 fax +49-69-66441-199 ------------------------------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message
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