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Re: Documentation of big "mail systems"?

On Fri, 15 Oct 2004, Christoph Moench-Tegeder wrote:
> ## Russell Coker (russell@coker.com.au):
> > SAN and NAS are best avoided IMHO.

NAS is *always* best avoided on anything that has "mail" in the description,

> We put our mailboxes (about 100GB per server with cyrus IMAP)
> in a fibrechannel-connected SAN (there're some EMC cabinets in

That's how it is usually done with Cyrus IMAP (since upstream makes it quite
clear that you are either stupid or a daredevil if you run Cyrus IMAP on top
of any sort of NAS) :)

Good SAN is the proper way to consolidade disks, and if you have the option
to use it, it is usually worth the trouble.

OTOH, using SAN for shared storage (HA) is prone to all sort of BIG blowups
as any other HA setup, so if you can avoid it...

  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh

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