68 SAN Multiprotocol Routing: An Introduction and Implementation
1200 x 4.8 μs, or 5.8 ms. We round this to 6 ms to account for the packet
transmission time over the 155 Mbps OC-3 link.
5.3.3 Normal operation
In normal operation, the production servers use only TotalStorage DS8100 disks
in the primary site. The disaster recovery servers are connected to TotalStorage
DS8100 in the disaster recovery site, but do not have the disk mounted or any
applications running.
The development servers use TotalStorage DS6800 disks in the primary site, and
some capacity from TotalStorage DS8100 in the primary site.
For TotalStorage DS8100 disk subsystems, four of the eight ports are used for
host attachments and the remaining four are used for Global Mirroring. ...