HP Serviceguard Metrocluster with EMC SRDF for Linux B.01.00.00

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/sdb (010)
Gatekeeper
/dev/sdb (002)
R1 Devices
/dev/sdm (00C)
/dev/sdl (00D)
R2 Devices
/dev/sdc (018)
/dev/sde (019)
BCV Devices
/dev/sdf (01A)
/dev/sdh (018)
Gatekeeper
/dev/sdw (009)
Gatekeeper
/dev/sda (0DB)
R1 Devices
/dev/sdz (010)
/dev/sdv (011)
R2 Devices
/dev/sda (050)
/dev/sdd (051)
BCV Devices
/dev/sdg (052)
/dev/sdq (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.
16 Configuring an application in a Metrocluster solution