HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Configuring the Optional Entry-Level DRM Solutions
155Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
Figure 24: Dual switch with single ISL
Note: For 8-EL switches, HP recommends that the ISL connection use port 7. Port 7 is the only
removable port on the 8-EL switch; the other seven are fixed, short-wave GBICs and are not suitable
for ISLs.
The maximum configuration using 8 or 16 port switches is any of the following:
■ 8-port switches
— one pair of arrays, one or two ISLs, and one server
■ 16-port switches
— one pair of arrays, one or two ISLs, and up to five servers
— two pairs of arrays, one or two ISLs, and up to three servers
— three pairs of arrays, one or two ISLs, and one server
Larger solutions can be built using larger port count switches. See the DRM Release Notes for
a list of supported switches. The limits on the number of servers are specified in the HP
StorageWorks SAN Design Reference Guide.
The maximum distance between target and initiator is determined by the type of ISL (see
Table 7).
Host A
Controller
Pair A
Controller
Pair Y
Switch A
Host Y
CXO7737A
260
7531
Blue Zone Blue Zone
Switch Y
260
7531
Red ZoneRed Zone
ISL