IBM V7.2 User Manual
Page 22

Configuring a Two Host System
16
•
The host name of the Backup server is MACHB.
•
The host name of the ESS Copy Services Server is ESSCSS.
•
The name of the SAP system is TS1; its system number is 00.
•
To achieve optimal performance the disks are spread equally over all 8 LSSs of
the ESS.
•
The Primary server uses the source disks while the Backup server uses the target
disks.
•
The Primary server accesses the ESS volumes, as follows:
ESS volumes
Logical subsystem
009 and 015
10
10A and 110
11
215 12
315 13
407 14
507 15
605 16
707 17
o
•
These devices are visible to AIX as
o
hdisk15
o
hdisk9
o
hdisk26
o
hdisk11
o
hdisk21
o
hdisk41
o
hdisk33,
o
hdisk29,
o
hdisk28,
o
hdisk34.
•
The Backup server accesses the ESS volumes as follows:
ESS volumes
Logical subsystem
00B and 010
10
10B and 115
11
216 12
316 13
410 14
510 15
612 16
711 17
•
These devices are visible to AIX as:
o
hdisk16
o
hdisk7
o
hdisk13
o
hdisk35
o
hdisk39