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Select Enable or Disable. (Disable is the default) ESS Copy Services supports
FlashCopy and PPRC for System/390 volumes in addition to volumes on open
system hosts.
Note: It is not necessary to enable ESS Web Copy Services if you are going to
use TSO and IDCAMS
6. ESS Machine Serial Number for Primary Server Site.
Enter the serial number of this machine. For example, 013-FCA15.
You can configure two ESS within a Copy Services Server group. Each ESS
Copy Services server group manages four clusters and a maximum of 2048
volumes. Provide this information to your IBM SSR for each Copy Services
server group that you want to configure.
Note: A Copy Services server group is a collection of ESS clusters that
participate in Copy Services functions that include the volumes within the
clusters.
a. Cluster 1 Hostname
Enter the hostname that you are assigning to cluster 1 for access over the
network. For example, Storage03.company.com.
Note: The hostname you define here is the Web site address for access to
ESS Copy Services.
b. Cluster 1 IP Address
Enter the dotted decimal address you are assigning to cluster 1 of this
machine. For example, 9.113.152.149.
c. Cluster 2 Hostname
Enter the hostname that you are assigning to cluster 2 for access over the
network. For example, Storage04.company.com.
d. Cluster 2 IP Address
Enter the dotted decimal address you are assigning to cluster 2 of this
machine. For example, 9.113.152.151 .
7. ESS Machine Serial Number for Backup Server Site.
Enter the serial number of this machine. For example, 013-FCA15.
a. Cluster 1 Hostname
Enter the hostname that you are assigning to cluster 1 for access over the
network. For example, Storage03.company.com.
Note: The hostname you define here is the Web site address for access to
ESS Copy Services.
b. Cluster 1 IP Address
Enter the dotted decimal address you are assigning to cluster 1 of this
machine. For example, 9.113.152.149.
c. Cluster 2 Hostname
Enter the hostname that you are assigning to cluster 2 for access over the
network. For example, Storage04.company.com.
d. Cluster 2 IP Address
Enter the dotted decimal address you are assigning to cluster 2 of this
machine. For example, 9.113.152.151 .
Use the following instructions when completing the work sheet that is shown in
Table 24 on page 89:
Chapter 4. Planning for communication
75
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