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June 1st, 2015 05:00
Upgrade SAN switches to 10Gbit
Hi
We have been running EqualLogic 6100's in production for 2 years now and I am considering the newer 10Gbit arrays. At the moment we currently use two Juniper ex4200 switches in both of our server rooms and they seem to be good.
I have been looking for 48 port copper switches that do 10Gb and there doesn't appear to be much out there other than the Force 10 S4820T.
If we purchased these, would it be feasible to swap out the junipers and run the 1Gb arrays as they are alongside 10Gb arrays (different storage pool) and servers ?
We could potentially create an lacp trunk between the junipers and these (as indicated in one of the best practice guides) but we are quite pushed for space in our networking rack.
I was thinking that we'd stack the switches using 3 of the qsfp ports on each S4820T, would this be a bottleneck due to the ports being 10Gb and there only being 120Gb between the switches ?
The other qsfp ports would have be used with spf+ optical transceivers for running replication traffic between our two server rooms.
Thanks
g110yd
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June 1st, 2015 09:00
Hi Don
Thanks
We usually have one day a year where we switch everything off in each server room in turn, so I was thinking about doing it then. It all depends if I can get approval to get it all ordered and in before then.
Our current servers are all 1Gb but we are due new ones which I also have quotes for with 10Gb adapters in.
We will either probably:
Get the switches in and run it all at 1Gb for now, if we don't have the budget to buy new arrays, switches and servers in one go ( All our production servers are 5 - 6 years old).
buy a couple more 1Gb arrays instead and just forget about 10Gb for a few years (I wanted 10Gb the first time around =/ ).