[CentOS] Clustering

Bo Lynch blynch at ameliaschools.com
Fri Feb 5 13:49:32 UTC 2010


On Fri, February 5, 2010 8:03 am, Athmane Madjoudj wrote:
> 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
>
Whats your thoughts on Vmware server over esxi?
Really do not want to have to budget for Virtualization if I do not have to.
Thanks for any info.

Bo



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