Automate your SDRS Anti-Affinity rules

One of the hot new features in vSphere 5 was the introduction of SDRS. And with SDRS came the concept of affinity rules for VMs and VMDKs. Cormac, aka @VMwareStorage, posted a nice overview of the SDRS affinity rules in Storage DRS Affinity & Anti-Affinity Rules.

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Since then several posts have appeared on the subject of SDRS affinity rules.  To list just a few:

Currently there are no PowerCLI cmdlets to define the inter- and intra-vm anti-affinity rules for SDRS. After a question in the VMTN PowerCLI Community I decided to write a function. This function will allow you to automate the creation of the SDRS anti-affinity rules.

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