HP Procurve Adding a Management IP
KB ID 0000428 Problem You have an HP Procurve switch, and you would like to add a management IP so you can view the web console. Solution Related Articles, References, Credits, or External Links HP Procurve – Trunking / Aggregating Ports
HP and Cisco – VLANs and Trunks Confusion!
KB ID 0000741 Problem When I first started in IT, I went and did my Cisco CCNA. So I learned that to connect Cisco switches and pass VLAN traffic between them, I needed to create a ‘Trunk’ to pass the VLAN traffic. Fast forward a few years, and I now work for an HP reseller. Very early on I came to realise that what HP called a ‘trunk’ was very different from what I had been taught. Below is an article I did a...
Setup an HP 1800-24G (J9028B) Switch
KB ID 0000800 Problem Essentially you can unbox this switch, plug it in and it will do what you want (unless you have VLANS, or trunks (port-channels)). Which is what my client had done, but I needed to get on the web console and have a look at what was going on, and there is NO CONSOLE socket on this unit at all. Solution 1. Don’t bother looking in DHCP, it’s NOT set to DHCP by default. From the factory the switch will have...
HP StorageWorks P2000 – Connecting to and Configuring
KB ID 0000569 Problem Normally I simply connect a new MSA to a clients network, and it gets it’s address from DHCP. Then I can get the address for the DHCP Scope, and point my web browser at it. Yesterday I was starting with new virtual infrastructure and had no DHCP. With the G1 and G2 models, you got a console/serial cable and could just terminal in. With the G3 they have replaced the serial socket with a mini USB socket....
HP MSA P2000 (G3) Error – ‘Unwritable write-back cache data exists for a volume’
KB ID 0000817 Problem Seen on a G3 P2000 SAN, the client had also had an MSA70 shelf, which contained a failed array. I was removing the MSA and after the job, this error was getting logged. Unwritable write-back cache data exists for a volume (vdisk: unknown name, volume: unknown name, SN {Serial Number} it comprises {number}% of cache. Solution Essentially, there was data in the cache that needed writing to the array/vdisk, when it...