You may be aware that Database Mirroring is an important High Availability [HA] option available within SQL Server 2005 version. Having this HA option within your Sharepoint farm where the databases are associated to failover, then you must note few issues that might crop up in this case. Also you should...
Here is a link for a white paper for database maintenence for Sharepoint Technologies http://go.microsoft.com/fwlink/?LinkId=111531&clcid=0x409...( read more )
http://suguk.org/blogs/sharepointhack/archive/2008/03/17/9161.aspx...( read more )