HP 3PAR SCSI Reservation Conflicts
Had an issue not long ago when adding a Windows Cluster, it grabbed all available LUNs presented to the server and put a reservation lock on them. The LUNs were also presented to VMware, rendering…
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FreeNAS – BTX Halted – gptzfsboot: error 4
I upgraded from FreeNAS 11.1-U6 to FreeNAS 11.2 just before Christmas, everything went fine and had been working without an issue. Yesterday I powered off the NAS to relocate it and was unable to get…
HP Virtual Connect – Suck at 4% percent
This applies any Virtual Connect running firmware versions 3.30 to 4.01. I had an issue recently when administering a Virtual Connect domain (through Virtual Connect Manager/VCM) running firmware 3.70 whereby upon logging in it stuck…
HP Procurve / FreeNAS – LACP Configuration
I was redesigning my home network and added some VLANS for storage (I use FreeNAS and iSCSI) to me the most obvious way of configuring a LACP bond was with the below. The problem with…
HP ProCurve Switches – Find Uptime
This article will is a nice short and sweet one. If you have and or manage HP Switches and you want to find out their ‘uptime’, SSH/Telnet to them and run the following command. Uptime…
Tracing Networks and Locating Devices by their Mac-Address
I recently had a case where an end user thought it would be a good idea to connect their home router into the network to overcome “a lack of ports in their office”. Need the…