HP 3PAR Simulator License Expiration Issue

I’ve received quite a few messages and comments with regard to the HP 3PAR simulator and a license issue. Basically HP have to include a time license for compliance reasons. They are currently working to upload an updated version of the simulator for us all to download and enjoy. For the moment the simplest work around … Read moreHP 3PAR Simulator License Expiration Issue

HP 3PAR Cluster Extension (CLX) License Issue

I had to troubleshoot a Microsoft Failover Cluster with a SQL instance recently and it proved an interesting one. This cluster uses the HP 3PAR Cluster Extension software (CLX) to interact with the 3PAR arrays in our datacenters and facilitate the movement of the SQL instance between sites. Note – the HP 3PAR CLI (command … Read moreHP 3PAR Cluster Extension (CLX) License Issue

VMware Networking Error – IP address already assigned to another adapter KB 1179

This is an old fault that I thought I wouldn’t see again however I came across a VM this morning which tried to automatically update it’s VMware tools install and failed. The machine was left without the tools and we had to deploy them manually. This wasn’t difficult of course however after the reboot the … Read moreVMware Networking Error – IP address already assigned to another adapter KB 1179

HP 3PAR Grow a Virtual Volume

One of the virtual volumes used in a Microsoft Failover Cluster was almost full (~43MB space left) therefore we needed to grow the virtual volume (VV) to prevent downtime or should I say minimise as some VMs were already in a paused state due to insufficient disk space. The virtual volume in question was not … Read moreHP 3PAR Grow a Virtual Volume

HP 3PAR Cage Degraded and the Upgradecage Command

I came across a fault yesterday with one of the 3PAR arrays under my management. Logging onto the SAN with the management console I discovered one of the cages showing as degraded as shown in the screenshot below – As you can see cage0 is unable to report on the firmware status of either card … Read moreHP 3PAR Cage Degraded and the Upgradecage Command

HP 3PAR Battery Status

We currently have an active alert for a failed battery on one of our 3PAR arrays. This shows up in the alerts (see previous post) screen however we may want to see additional information. Log onto the 3PAR via your SSH client of choice and execute the command showbattery

This command provides some useful … Read moreHP 3PAR Battery Status

Tale of the changing MAC Address

Today I had an interesting e-mail from a supplier with regard to an issue they were experiencing. Firstly let me outline the issue – Devices are tracked using a combination of radio frequency technologies to ensure we can local objects (people, equipment etc) within a building Each device has an identifier, this supplier would like … Read moreTale of the changing MAC Address