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Old 01-09-2007, 05:35 PM   #1
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Talking High Availability & Linux Virtual Servers....????

Anybody out there in Slackland build High Available (HA) and/or Linux Virtual Server (LVS) configs using Slackware...???

There are all kinds of reasons to stick with Slack.... talked about quite a bit on this forum.... and I would like to stay with Slack. I have several reasons to start looking into HA and LVS and I would like to use Slack as the baseline distro.

Any and all help is greatly appreciated...!!!!

Old 01-10-2007, 03:52 PM   #2
Alien Bob
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Location: Eindhoven, The Netherlands
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For HA-cluster I would look into a two-node active/passive cluster using Heartbeat as the cluster manager and DRBD to replicate the filesystems realtime across the two cluster nodes.
I've been managing clusters built this way for four years now - all on Redhat since it is policy to use that distro, but I built the RPM's for heartbeat and drbd myself, and it would be fairly trivial to do the same for Slackware packages. You will have a rock-solid cluster that way, and except for catastrophic failure in your server room, your ens users would perceive a near 100% availability of their services (I run Samba, LDAP, IMAP, MySQL, Postfix, Apache and more as HA services - typical medium-sized office services)

As for LVS, their project at works perfectly well on a Linux cluster used as loadbalancer with (again) Heartbeat as the cluster manager. I setup such an environment once as proof-of-concept for a client with a Linux Terminal Server farm (Nomachine/NX based) behind the load balancer. Great fun that was.



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