Building Disaster Recovery Serviceguard Solutions Using Metrocluster with EMC SRDF

Figure 4 Devices and Symmetrix Units in M by N configurations
Node 1
Array
Array
Symmetrix A Symmetrix C
Symmetrix B
Symmetrix D
Node 2
Pkg B
Array
Array
Node 3
Node 4
Gatekeeper
/dev/rdsk/c5t0d0 (010)
Gatekeeper
/dev/rdsk/c7t0d0 (002)
R1 Devices
/dev/rdsk/c6t0d0 (00C)
/dev/rdsk/c6t0d1 (00D)
R2 Devices
/dev/rdsk/c8t0d2 (018)
/dev/rdsk/c8t0d1 (019)
BCV Devices
/dev/rdsk/c8t0d2 (01A)
/dev/rdsk/c8t0d3 (01B)
Gatekeeper
/dev/rdsk/c5t0d1 (001)
Gatekeeper
/dev/rdsk/c6t0d0(00B)
R1 Devices
/dev/rdsk/c5t0d2 (010)
/dev/rdsk/c5t0d3 (011)
R2 Devices
/dev/rdsk/c9t0d0 (050)
/dev/rdsk/c9t0d1(051)
BCV Devices
/dev/rdsk/c9t0d2 (052)
/dev/rdsk/c9t0d1 (053)
Additional examples of M by N configurations
Figure 5 shows a 2 by 1 configuration with BCV’s, which indicates R1 volumes at Data Center A
and R2 volumes and BCVs at Data Center B for pkg A and pkg B.
20 Configuring an application in a Metrocluster solution