Set up the following paired logical volume groups on each of the server machines on which a primary or secondary unit is installed:

1. Pair logical volume groups to be used by the unit
2. Pair logical volume groups to be used by the server in the unit in 1 above

The following figure shows an example of the logical volume group setup.

Figure 8-6 Example of the logical volume group setup (for 1-to-1 switchover configuration)

Pair logical volume group specifications n the configuration definition of server machine 1

HRD1_UNT1_USTS
HRD1_sds1_DB
HRD1_sds1_LOG
HRD1_sds1_SPD
HRD1_sds1_SSTS

Pair logical volume group specifications n the configuration definition of server machine 2

HRD1_UNT1_USTS
HRD1_sds1_DB
HRD1_sds1_LOG
HRD1_sds1_SPD
HRD1_sds1_SSTS

Set up the following paired logical volume groups on each of the server machines that are configured for mutual system switchover:

1. Pair logical volume groups to be used by the primary units on the server machines
2. Pair logical volume groups to be used by the secondary units on the server machines
3. Pair logical volume groups to be used by the servers in the units in 1 and 2 above

The following figure shows an example of the logical volume group setup.

Figure 8-7 Example of the logical volume group setup (for mutual system switchover configuration)

Pair logical volume group settings in the configuration definition of server machine 1

HRD1_UNT1_USTS
HRD1_dic1_DB
HRD1_dic1_LOG
HRD1_dic1_SPD
HRD1_dic1_SSTS
HRD1_fes1_DB
HRD1_fes1_LOG
HRD1_fes1_SPD
HRD1_fes1_SSTS
 
HRD1_UNT2_USTS
HRD1_bes1_DB
HRD1_bes1_LOG
HRD1_bes1_SPD
HRD1_bes1_SSTS

Pair logical volume group settings in the configuration definition of server machine 2

HRD1_UNT1_USTS
HRD1_dic1_DB
HRD1_dic1_LOG
HRD1_dic1_SPD
HRD1_dic1_SSTS
HRD1_fes1_DB
HRD1_fes1_LOG
HRD1_fes1_SPD
HRD1_fes1_SSTS
 
HRD1_UNT2_USTS
HRD1_bes1_DB
HRD1_bes1_LOG
HRD1_bes1_SPD
HRD1_bes1_SSTS