Friday, January 20, 2012

vMotion fails at 9% - Operation Timed Out

I recently added a new ESXi 5.0.0 host one of our clusters and attempted to vMotion a test VM onto the new host but it failed at 9% with "Operation Timed Out"

Turns out the datastore for the VM was mounted read-only since the new host's IP had not been added to the Netapp ACL allowing full read / write access.

Once the IP was added and the NFS datastore re-mounted RW, the vMotions zipped through at 10g speeds!

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