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4Aug/112

EqualLogic Replication over Nortel ERS 5500 Series – When disaster stikes!

If you have been keeping upto date with my previous blog articles, you will know that we have recently taken delivery of a Dell EqualLogic PS6000 32TB. My intention is to use this as a replication partner for our existing PS Series Group.

With the new EqualLogic initialized and firmware upto date, I continued to set up replication, this was again as expected with EqualLogic a quick and painless task, I will blog on setting up replication in another article.

For the initial replication we co-located our new EqualLogic in the same Datacentre as our current PS group, created replication schedules and away it went all volumes replicated and continuing to replicate on an hourly schedule, no issues what so ever. All of this on our backend iSCSI network of course.

The next task was to move our replication partner to our secondary Datacentre accross the other side of our site in a seperate building, to offer onsite replication. the link to this secondary Datacentre is a 6GB MLT using Nortel/AVAYA as now is, Ethernet Routing Switch 5500 Series. We needed a way of transporting this backened iSCSI traffic over our current network infrastructure.

   
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