Nifty new MS cluster feature (2016 Server tech) – configure your own witness in the cloud

An interesting feature within W2k16 within the clustering framework is the cloud witness. Quorum maintenance being one of the most important parts of any cluster design. With DR can be a design challenge as MS recommend that the quorum is located in a 3rd data center. As a lot of companies operate using 2 data … More Nifty new MS cluster feature (2016 Server tech) – configure your own witness in the cloud

Hyper-v tip: Adjust the shutdown time of your clustered host to avoid VM downtime issues

The benefit of doing this in a clustered environment when shutting down a node for maintenance there is always the risk that VM’s do not get live migrated in time before the node restarts. Adjusting the shutdown time gives more leg room for the node to evacuate all VM’s off it before restart. 15 minutes … More Hyper-v tip: Adjust the shutdown time of your clustered host to avoid VM downtime issues

ESXi tip: how to configure hosts to offload their logs to a collector server from the command line

Diagnostics information can be sent to a remote host instead, or in addition to the local store. This information is useful for troubleshooting host failures. Here is how to configure from the command prompt in 7 easy steps: To configure hosts for Netdump with the command line, perform the following steps: 1.Open a console session … More ESXi tip: how to configure hosts to offload their logs to a collector server from the command line

NetScaler Insight Center: session up time value being reported? here’s what to check

Common enough one this on the citrix discussions. Need to ensure that the times set for the NetScaler appliance and NetScaler Insight Center are correct are synchronizing correctly. To fix this : http://docs.citrix.com/en-us/netscaler-insight/11-0/ni-manage-intro-task/ni-clock-sync-intro-task.html    

vCloud Air tip: double/triple check you use the correct firewall assignments

Very useful guide if setting up a vCloud Air POC – in particular focusing on firewall assignments which can have a massive impact on not only security but performance. We’d seen by setting the right balance and allowing only the traffic we needed we’d seen huge gains. Obviously common sense but worth re-iterating as its … More vCloud Air tip: double/triple check you use the correct firewall assignments