HP StorageWorks P2000 – Connecting to and Configuring
Nov17

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....

Read More
HP MSA P2000 (G3) Error – ‘Unwritable write-back cache data exists for a volume’
Nov17

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...

Read More
HP MSA P2000 – ‘The Disk May Contain Stale Metadata’
Nov17

HP MSA P2000 – ‘The Disk May Contain Stale Metadata’

KB ID 0000874 Problem The call came in this morning, a client had replaced a failed drive in his SAN, (an MSA P2000 2324sa). He was asking if there was anything he needed to do. I said “Just mark it as a global spare and that should be it”. He rang back some time later to say he was still having problems. When I dialled on I could see his ‘new’ drive was marked as LEFTOVR and was flagged with the following...

Read More
HP MSA P2000 – Replacing a Failed Disk
Nov17

HP MSA P2000 – Replacing a Failed Disk

KB ID 000087 Problem If you have a disk fail in one of the volumes on your HP MSA SAN, this is the process for replacing it. Note: Normal RAID rules apply, if you replace a 146GB drive with a 300GB drive, it will add it fine, but you will lose the difference. Solution 1. Remove the failed drive, and replace with the new one. 2. Connect to the web cosole of the storage array. Select the MSA > Provisioning > Manage Global spares....

Read More