Today EMC announced the latest version of Enginuity 5875 is now GA, we refer to this as the Q3 Service Release, it adds support for some new SAS drives, and other general fixes. The one big fix is that the vSphere VAAI fixes are now included and no longer need to be added as an ePack (patch). If you recall back in June Chad Sakac (@sakacc) posted this blog post detailing the issue. The ESX patches will still need to be applied. Also of note in this release is a fix to block the UNMAP command that vSphere 5 VAAI v2 included, as noted in Chad’s blog post here. This blocks the UNMAP command (0×42) from being processed by the VMAX and potentially causing problems. This of course will be remove once VMware and EMC have a fix for the UNMAP issue.

