HP StorageWorks External Storage XP user guide for the XP12000, XP10000, SVS200 (T1706-96009, October 2007)

Figure 2 Example of alternate path conﬁguration

Figure 3 shows another example of an alternate path conﬁguration. In Figure 3,twoportsarespeciﬁed

in the local array and connected to ports in the external array via switches. In this example, two ports

from different XP12000/XP10000/SVS200 clusters are speciﬁed in the local array, thereby making it

possible to conﬁgure an alternate path for high availability.

Figure 3 Example of alternate path conﬁguration using two switches

In Figure 4, two paths are conﬁgured between the internal LDEV and external LU. However, only one port

is speciﬁed in the local array and two ports are speciﬁed in the external arrays via the switch. Since

two port

s of different clusters must be set in the local array for External Storage XP to use alternate path

settin

gs, HP does not recommend the conﬁguration shown in Figure 4.

External Storage XP user guide