EMC VPLEX Metro: Cluster Witness Server Maintenance

Although it’s not mandatory, the Cluster Witness Server (CWS) in a  VPLEX Metro Cluster serves a very important purpose as the arbitrator between inter-cluster network partition failures and actual cluster/site failures. It’s a lightweight (<3GB) VMware vm deployed from an OVA that establishes itself in a 3 way VPN between Continue Reading

EMC VPLEX – Quick tip: Recover lost admin password

We all have too many passwords to manage and despite our best intentions and practices, sometimes they get lost. This happened to me recently. When verifying some access before a code upgrade, I found the admin password I expected to work for VPLEX ( cli or Unisphere) did. not. work. Continue Reading