Tom's blog

Thoughts about SQL and related stuff…

Entries Tagged ‘SAN’

Error installing SQL 2008 geo cluster: rule “Cluster shared disk available check” failed

First a little about our setup, we have what is called a geographically dispersed cluster. This means that the nodes are in different datacenters, each connected to a san in it’s own location and that there is synchronous replication of the LUNs between the sans. In our case we use Continuous Access (CA) from HP [...]

Storagedata iSCSI SAN solutions

I recently bought a Storagedata Xi3160 SAN, which is an affordable iSCSI & Fibre Channel SAN solution. It is a 3U, 16 bay, fully redundant box, which has 4 gigabit ethernet interfaces. Following versions are available in the iSCSI range: Model Connection HDD Raw Capacity SD3160XE-500 4GB iSCSI SATA II 3GB 8TB (16x 500GB) SD3160XE-750 [...]

SAN Snapshots of SQL Server databases

Some time ago I had to advice a client about a new SAN infrastructure and associated to this, look for a new backup and restore strategy for Exchange server and SQL server. While researching this I saw some benefits that come with SAN snapshots: Very quick full backups and restores: Modern SAN/NAS devices are able [...]