On Tue, 14 Feb 2006, Brian Candler wrote:
On Tue, Feb 14, 2006 at 05:01:56PM +0100, Rudy Gevaert wrote:
We are currently investigating a high availability mail solution. Can
you tell me how many maildirs you have on your netapp. And how many
servers are accessing the maildirs?
At a previous employer, they had a pair of NetApp F840's with hundreds of
thousands of mailboxes, mostly accessed via POP3. There were 2 Exim MX
receivers (now upgraded to four), 3 POP3/IMAP servers, 2 sqwebmail servers,
plus other boxes not related to mail (e.g. homepages, radius, signup)
Those things are tempting. I've always been a little put off by two
things - the size of the filer box itself and the fact that without full
NetApp support, which is probably insanely expensive, you have that box as
a big single point of failure. Have you seen the failover in action?
I was speaking with someone at one of the co-lo's that I attend to and he
has a pile of these. He bought them all used here:
http://www.unioncomputer.com/
The older models are pretty cheap, so I'm thinking that aside from the
space they take up, two filers might actually be affordable for the
small ISP/hoster.
Sorry to be dragging this off topic, but I did want to throw the used
option out there and get some feedback. I suppose NFS + Maildir =
courier-imap topic though...
HTH,
Brian.
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