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Figure 11. ESS Web Copy Services configuration with DNS
If you decide not to use a DNS in your configuration, you need to provide your IBM
SSR with information in addition to the information in the Communication Resources
(Copy Services) work sheet. The SSR uses the ESS Service interface to update the
host table with this information:
v The TCP/IP address and host name for each ESS cluster in the copy services
v The TCP/IP address and hostname for each host using the CLI.
v The TCP/IP address and hostname of the ESSNet Workstation.
Use the following instructions when completing the Communication Resources (ESS
Web Copy Services) work sheet in "Appendix B. Communication Resources (ESS
Web Copy Services) work sheet" on page 89. Refer to the "Guidelines for enabling
and using ESS Web Copy Services" on page 41 for additional information:
Attention:
services server group defined
1. Server Group : Identify the server group (_) that is being defined by this work
2. Primary Copy Services Server IP Address. For example, 9.113.152.148.
3. Backup Copy Services Server IP Address. For example, 9.113.152.147.
4. Is a Domain Name Server (DNS) configured on ESS.
5. Enable ESS Web Copy Services commands for System/390 volumes
74
ESS Introduction and Planning
Site 1 Primary Site
ESS 1
Backup
H
ESSnet
O
S
HUB
T
CLI
ESS 2
Backup
server group.
This work sheet must be copied and provided for each ESS Web copy
sheet.
Note: If you do not have a DNS specified and you are using the CLI, collect the
hostnames and IP addresses for all of the Open System servers that are
using the CLI.
Server Group 1
Site 2 Recovery Site
ESS 4
ESCON
Primary
Server Group 2
ESS 5
ESCON
Primary
H
ESSnet
O
S
HUB
T
CLI
CS000005
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