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Saturday
Jan052008

A POV On VMware's Site Recovery Manager

This is a good, high-level description and opinion regarding VMware's upcoming Site Recovery Manager (SRM). 

IT 2.0 Main Blog : Site Recovery Manager: what is it (going to be) good for?

...

Essentially SRM will be a sort of automated and programmed workflow. This product won't add any cool low-level new technology, it will "just" provide a workflow engine that you can program to execute the very manual steps you would execute today in a disaster scenario. This is a summary of what it should be able to do for you:

  • Integration of storage replication for minidisk synchronous/asynchronous alignments (Production site <-> DR site)
  • Automation of startup sequence / suspend at the remote site of virtual machines (this includes management of QoS / SLA's)
  • Network reconfiguration of virtual machines to comply with the (potentially) new IP schema in the DR site
  • Creation of a "sand-box" environment at the remote site in order to test you DR plan(s)

In case a disaster strikes, once you push that famous red-button described above, SRM will activate the mirrored LUN's at the remote site, it will restart the virtual machines on the DR site based on the programmed sequence and it will adjust (optionally) the IP settings of the vm's to fit into the new network schema (if it is different). Additionally SRM will allow you to "play" the plan on a regular basis for test purposes creating a snapshot of the production vm's and activating them in a sort of "network sand-box". I have over-simplified here a bunch of very complex activities. ...

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