NFS APD No More! The Long Awaited Patch Has Arrived
Shortly after VMware release their vSphere 5.5 Update 1 release to answer to an outstanding Heartbleed vulnerability, something happened and the Twittersphere lit up with tweets like what you see above.
APD – The NFS Issue on 5.5 U1
When the Update 1 patch was deployed, many VMware environments which were running NFS for a storage target suddenly were being struck by an APD (All Paths Down) error causing loss of connectivity to storage.
Further testing of the patch showed that this was not an isolated issue, and VMware published an alert stating that there was a known problem with VMware vSphere 5.5 Update 1 and NFS storage. Suddenly we were left with a challenge of either having a Heartbleed vulnerability or an NFS issue. VMware provided a manual workaround to prevent the Heartbleed vulnerability on vSphere 5.5 to help relieve that issue, but we were left waiting for the now much sought after patch.
Relief is Here!
Just in case you missed the notes flying around the internet, there has now been an update released for VMware vSphere 5.5 Update 1b and an associated update for VMware vCenter to bring it up to vCenter Update 1b.
Go forth and test! Now you can finally