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4-34 Chapter 4 Using the Universal Replicator for z/OS GUI
Hitachi Universal Replicator for IBM /OS User’s Guide
This column displays Underflow or Overflow if an invalid time stamp is
detected. If Underflow is displayed, the time stamp is below the allowable
range. If Overflow is displayed, the time stamp is above the allowable
range.
• Num of DKC: Indicates the number of storage systems registered in an
extended consistency group.
• Num of JNLG: Indicates the number of journal groups registered in an
extended consistency group.
Displaying a List of Storage Systems in an Extended
Consistency Group
The EXCTG Operation window allows you to display a list of storage systems in
an extended consistency group.
To display a list of storage systems in an extended consistency group:
1. Display the EXCTG Operation window.
2. Double-click Registered and then an LDKC below Registered in the tree.
3. Select an extended consistency group that is displayed in the tree.
The list displays a list of storage systems registered in the extended
consistency groups (
Figure 4-14).
Figure 4-14 Storage Systems in the EXCTG Operation Window
• S/N(LDKC): Indicates the serial number of a storage system and LDKC
number that is enclosed by parentheses.
• Controller ID: Indicates the controller ID of a storage system and the
model name of a storage system that is enclosed by parentheses.
• Num. of JNLG: Indicates the number of journal groups in an storage
system in the extended consistency group.
• JNLG: Indicates journal group numbers. A journal group number is a two-
digit hexadecimal number.
• Cmd. Dev.: Indicates a remote command device. The number on the left
of the colon (:) is a CU number. The LDKC number, the CU number and the
LDEV number are displayed.