Installing FusionIO drivers for VMware ESXi

Firstly, obtain the drivers (and firmware!) from the vendors support portal (http://support.fusionio.com/) and upload them either locally to the ESXi host of for ease of access in particular if updating multiple hosts to a datastore configured as shared storage which is connected to each host. In the below example, I will be installing/upgrading to the … More Installing FusionIO drivers for VMware ESXi

Upgrading Brocade SAN switches in single mode

When upgrading firmware on a Brocade SAN switch in some circumstances you may be required to upgrade the firmware in single mode, this is particular common in receiving a new device and requiring to upgrade to the latest firmware versions without having to worry about the migration path being disruptive. This can be performed from … More Upgrading Brocade SAN switches in single mode

Disabling the Telnet protocol on Brocade SAN switches

By default Brocade SAN switches have the Telnet protocol enabled, you may wish to disable this as part of security hardening of your devices to mitigate to the session being transmitted in clear text and enforce SSH connectivity as the management protocol. In order to disable the Telnet protocol you will be required to modify the … More Disabling the Telnet protocol on Brocade SAN switches

Unable to remove connected hosts from Unisphere managed storage array

I was recently bringing back to life a CX4-120 storage array, which had a number of connected hosts registered that were no longer active, I was unable to remove the host using the Unisphere GUI, after invoking the deregister command on the last HBA connection, as the host object remained. After a  short period of scratching … More Unable to remove connected hosts from Unisphere managed storage array

Reading archive performance data from EMC storage arrays

For EMC storage arrays you are able to collect and archive performance data and  export a NAR file using Navisphere/Unisphere. In order to read the data collected you can convert the archive dump file to CSV format using the Navisphere CLI, by invoking the following command: C:\Program Files (x86)\EMC\Navisphere CLI\NaviSECCli.exe analyzer -archivedump -data <filename.nar> -out <filename.csv> In order to run the … More Reading archive performance data from EMC storage arrays