Never ending story: EMC CX4 & VAAI on vSphere 5

If you are using a CX4 model of EMC´s previous storage systems you certainly noticed that no CX4 model got listed for VAAI-support on VMware HCL in combination with vSphere 5. After many people were searching a long time for a “Why?” in VMware & EMC forums, Chad Sakac (SVP EMC Global Systems Engineering, aka […]

VAAI status “Unknown” on EMC array using > 2TB LUNs (Update)

Today I noticed that some new created LUNs on an EMC Clariion CX4 array stuck on the VAAI status “Unknown” below the storage configuration on vSphere 5. This was quite strange, because I was creating and adding multiple LUNs and only the 2TB LUNs (on SATA drives) seems to have this problem. All other LUNs […]