I have a Windows 2008 failover cluster which serves a SQL Server 2005 service in a node and disk majority. The witness disk and SQL Server disks(Data, Logs, Indexes, etc.) are all connected through an iSCSI SAN connection. On the inactive node, the witness disk is shown as reserved but is not "online" (which I think is evidenced by the fact that the drive letter is not shown in disk management). Is this normal? Is the witness disk accessible from only one server at a time?
Secondly, each server shows the witness disk properties as Type=basic, Status=Reserved, and Partition Style=GUID Partition Table(GPT). Is that normal and expected?