[c-nsp] Choosing Switches to Support VM Clusters

[Mike Hale]

Are you sure Gigabit is going to be sufficient for your needs?

We use Nexus 5ks in one location and 10gig blades for a 4600 chassis in
another, both of which work fairly well.  The Nexus isn't without its share
of problems, but overall, they've been stable and have performed well.

We're also using 3750X in various areas, and they work well too.


On Thu, Dec 13, 2012 at 6:40 AM, Adam Greene <maillist at webjogger.net> wrote:

> We're about to deploy 3750X ... As per Dell, whose SANs we are deploying,
> this switch has been tested and is considered up to snuff by them.
>
> Real world experience ... none yet.
>
>
> On 12/13/2012 8:15 AM, Gordon Bryan wrote:
>
>> Hi List,
>>
>> I'm involved in building a small split-site data centre, with the main
>> focus on hosting primary/backup VM Clusters.
>>
>> I have seen and read many a post on this list regarding microbursts and
>> have always tried to err on the side of caution when choosing switches and
>> usually go for models with meaty buffers and was considering for this
>> deployment the 4948E. I was also considering the 3750X but not sure how the
>> buffers stack up against the 4948 as the old 3750 models were poor in this
>> regard.
>>
>> However, I'm looking for any general advice for choosing switches to
>> support a virtualised environment. Are there any particular features I
>> should be looking for or are there any gotchas that I should be aware of?
>> My exposure to VMs is very limited so I'm hoping that the expertise
>> available on this group can guide me
>>
>> Thanks in advance
>>   Gordon
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