Tag Archives: HA

vSphere Metro Storage Cluster (vMSC) and partially connected datastores?

vSphere Metro Storage Cluster (vMSC) is a certified (you should always check/verify compatibility on VMware Storage Compatibility Guide) configuration for stretched storage (synchronized replication) cluster architectures. As I already described, there are possible two vMSC configurations based on how the hosts are connected to the storage arrays. The below figure presents uniform host access configuration (the most often… Read More »

VMware vSphere basics: understanding Resource Pools.

Recently we discussed the VMware High Availability Admission Control - a very important vSphere feature. As I mentioned in the previous post, Admission Control uses some ways to calculate available CPU, memory in the cluster. One of thing that can affect the calculation is Resource Pool. In this post you will find answers for the following questions: What… Read More »