[Beowulf] hi, how to do clustering
jmdavis at mail2.vcu.edu
Thu Aug 4 16:10:39 EDT 2005
Heartbeat solves half of the problem. The load balancing issue requires
more work. There are a couple of ways to go with it. One is to use some
additional hardware to loadbalance qmail across two nodes. The specific
implementation of qmail will determine how complex this needs to be.
Currently you are running one qmail server. Is the performance issue
only during peak useage, or are you seeing performance issues throughout
the day? Does the qmail server also serve as a mailserver for users or
is it expressly smtp? Separating out the smtp from pop and imap can be a
good strategy to improve performance.
Lombard, David N wrote:
>The clustering used by this group does not support the work you want to
>do. You need to look for high-availability clustering; this list is
>interested in high-performance computing, which a mail server is not...
>One suitable site is http://www.linux-ha.org/, in particular, the
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