Exchange 2010 – Working with Certificates
KB ID 0000453 Problem Exchange 2010 installs with it’s own (self signed) certificate. To stay free of security errors and warnings, the best bet is to purchase a “publicly signed” digital certificate and use that. The following process uses the Exchange Management console to create a CSR (Certificate Signing Request). Then what to do with the certificate, when it has been sent back to you. Solution Certificate...
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...
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...
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....