[CentOS] Clustering

[Athmane Madjoudj]

On Fri, Feb 5, 2010 at 1:58 PM, Bo Lynch <blynch at ameliaschools.com> wrote:
> 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
> virtualbox?
>
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AFAIK, virtualbox is desktop only virtualization while vmware has more
offering (desktop, server, cloud etc)

-- 
Athmane Madjoudj