[CentOS] Clustering

Bo Lynch blynch at ameliaschools.com
Fri Feb 5 12:58:53 UTC 2010

On Thu, February 4, 2010 6:18 pm, Drew wrote:
>> Right know we have about 30 or so linux servers scattered through out or
>> district. Was looking at ways of consolidating and some sort of
>> redundancy
>> would be nice.
> I'm in the process of going through something like that right now. The
> solution we're pursuing is to virtualize our existing physical servers
> in virtual machines and consolidating those VM's on a smaller number
> of larger servers.
> The tools we're using allow us to keep a warm copy of a VM on
> redundant server and if we lose an entire server we're up within
> 3-5min with minimal data loss. As the servers we're installing have
> VMware ESXi embedded in the server and storage is pulled from
> redundant iSCSI backends, data loss due to server failure is minimal.
> And as part of the backup process includes regular off-site backups of
> the data and VMs to another office we can, in theory, lose an entire
> building and still continue to function.
> --
> Drew
Thanks for the info. Looks like VM would be the way to go. I have been
looking at Vmware and virtualbox. Would you recommend Vmware over

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