HPE MSA Cannot See LUN?
Apr10

HPE MSA Cannot See LUN?

 Cannot See LUN KB ID 0001862 Problem I finally got round to replacing the SAN on my test network, I setup the new one via direct cable connection (10Gbps iSCSI DAC).  I created vDisks and volumes, presented those volumes. Setup iSCSI bindings in vSphere, all vanilla stuff. ESX hosts could not see the storage LUNS, they could see the SAN, but ‘add datastore’ showed me no available storage. Solution: Cannot See LUN Two...

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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....

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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...

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