[CentOS] Clustering

Bo Lynch blynch at ameliaschools.com
Fri Feb 5 14:03:20 UTC 2010

> Bo Lynch wrote:
>> Currently we are doing the low tech method. Daily and weekly backups
>> both
>> onsite and off along with RAID and all that other good stuff. I was just
>> wondering if clustering was a better way of handling things. Thanks for
>> the info.
> If you are looking at VMware, ESX(i) is the nicest of the bunch but
> moderately
> expensive for the full version that does clustering and live moves - and
> you
> also need a highly reliable iscsi disk server.  But even the free version
> is
> very nice in terms of the management tools, low overhead, and the ability
> to
> overcommit the host's RAM.  You could start by building shadow copies of
> most of
> your servers that could be activated as needed, with perhaps a few being
> live
> with application level failover (heartbeat, drbd, database replication,
> etc.).
> ESXi is also a nice lab framework for testing new thing.
> --
>    Les Mikesell
>     lesmikesell at gmail.com

When you talk about the free version are your referring to Vmware server
or is there a free version of Esxi? The website is a little misleading
with "free trail" and such.

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