HP Hitachi Universal Replicator for Mainframe User Guide (T5278-96044, November 2011)
• Speed of Line: Indicates the line speed of data transfer. The unit is Mbps (megabits per second).
One of the following settings is displayed: 256, 100, or 10.
The recommended setting values are as follows:
◦ 10 is recommended if the line speed is from 10 Mbps to 99 Mbps.
◦ 100 is recommended if the line speed is from 100 Mbps to 255 Mbps.
◦ 256 is recommended if the line speed is 256 Mbps and more.
CAUTION: This setting does not take effect on master journal groups. However, if the Business
Continuity Manager YKRESYNC REVERSE command is used to change a master journal group
into a restore journal group, this setting will take effect on the journal group.
• Timer Type: Indicates the type of clock used for the consistency time.
System: The system clock of the mainframe host is used.◦
◦ Local: The system clock is not used.
◦ None: The system clock of the mainframe host is used. The difference between System
and None is explained in “Timer Type Option” (page 27).
• EXCTG, DKC/CTRLID: Displays the following information sequentially if the journal group
belongs to an extended consistency group:
◦ The extended consistency group number
◦ The serial number and the LDKC number (the LDKC number is enclosed in parentheses)
◦ A slash (/), the controller ID
This column is blank if the journal group does not belong to any extended consistency group.
• JNL Volumes: Displays a list of registered journal volumes.
Parity Group: Indicates the parity group where a journal volume belongs.◦
◦ LDKC:CU:LDEV: Indicates the LDKC number, the CU number and the LDEV number of a
journal volume.
◦ Capacity: Indicates the capacity of a journal volume. The unit is cylinders if the volume
is a mainframe volume. The unit is gigabytes if the volume is an open-systems volume.
◦ Emulation: Indicates the emulation type of a journal volume.
◦ CLPR: Indicates the number and the name of the CLPR where the journal volume belongs.
• Mirrors: Displays a list of mirrors. If the remote command device is assigned to the mirror of
TrueCopy for Mainframe Synchronous pair in 3DC multi-target configuration, and the mirror
ID is 00, all columns other than mirror ID and remote command device are blank.
◦ Mirror ID: indicates a mirror ID.
This column is blank if the attribute of the journal group is neither Master nor Restore.
◦ Attribute: indicates the attribute of a mirror ID.
When primary data volumes of a local storage system are registered to a mirror, Master
is displayed. When secondary data volumes of a local storage system are registered to
a mirror, Restore is displayed. If no data volumes are registered in the journal groups of
a local storage system, Initial is displayed.
◦ Status: Indicates the status of a journal group (or a mirror) in the local storage system.
For detailed information about the displayed status, see “Pair Operation Window”
(page 112).
166 Configuring Journal Groups