At my current customer I was upgrading their vSphere 4.1 environment to vSphere 5.5. When installing and configuring the first ESXi 5.5 host, I noticed a difference in the Path Selection Policy (PSP) between the ESX 4.1 hosts and the ESXi 5.5 host. Each host is connected to two Hitachi storage arrays, each a different […]
VMW_SATP_DEFAULT_AA
Changing NetApp storage policies from non-ALUA to ALUA
My latest customer was still running on VMware ESX 3.5 and Virtual Center 2.5 and asked me to upgrade their environment. Their whole environment was running on NetApp storage and for ESX there is a change in the Storage Array Type Policy (SATP) and the Path Selection Policy (PSP) when moving from ESX 3.5 to […]