Re: Virtualization as cheap redundancy option?

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Brian Mathis wrote:
> On Sat, Jun 26, 2010 at 9:26 AM, Les Mikesell <lesmikesell@xxxxxxxxx> wrote:
>> Emmanuel Noobadmin wrote:
>>>> The creeping CPU problem happens slowly over the course of a week or
>>>> so, so if you're seeing acute freeze-ups, then that's probably not it.
>>>>  However, if all machines have been running for a while, try to
>>>> suspend/resume all of them, then see if the problem goes away.
>>> That is pretty much what we see. Sometimes we leave the machine on
>>> through several days if there was no changes to what we are doing on
>>> it and sometimes the VM freezes after a few days. Had appeared random
>>> because anyone of us could have restarted the VM during the week so
>>> those lock up probably happened when none of us did.
>> Is this with VMware Server 2.x?  I have machines with the 1.x version (some one
>> Centos3, some on Centos5) that run more or less forever without issues. Also,
>> the ESXi version is even better if you are only using it to host VMs.
>>
> 
> Yes, this problem is with Server 2.x only.

It is still probably reasonable to install the latest 1.x you can find - you 
just have to have the matching client to access the console remotely.  But, I 
normally only use the client to get to the point where the network is up and I 
can go to the guest directly with ssh/freenx/vnc.  The only problem I ever see 
on those VMs is instability in the clock - but the real fix is to use ESXi 
instead with everything running as guests.

-- 
   Les Mikesell
    lesmikesell@xxxxxxxxx

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