HP StorageWorks XP Remote Web Console Software User Manual
Page 60
◦
In Journal group 3, the latest time stamp is 15:03.
◦
In Journal group 4, the latest time stamp is 15:04.
2.
URz searches for the oldest time stamp from the ones identified in step
and restores
data up to that time to the secondary volumes.
In the example shown in
, the oldest time stamp is 15:00. URz restores
all data that have a time stamp 15:00 or earlier to the secondary data volumes.
◦
For Journal group 1, URz restores all data up to 15:00.
◦
For Journal group 2, URz restores all data up to 14:02.
◦
For Journal group 3, URz restores all data up to 14:03.
◦
For Journal group 4, URz restores all data up to 14:04.
Figure 18 Time Stamps of Data that Have Not Been Restored to Secondary Data
Volumes
•
Consistency time:
In the URz windows, consistency times of extended consistency groups, journal groups, and
data volume pairs are displayed. These consistency times have the following meanings:
◦
The consistency time of an extended consistency group is the latest time stamp of the
restored data in the group in which consistency is guaranteed.
In the example shown in
, the consistency time of the extended
consistency group is 15:00.
◦
The consistency time of a journal group is the latest time stamp of the restored data.
In the example shown in
“Time Stamps of Data that Have Not Been Restored to Secondary
, the consistency times of journal groups 1 to 4 are as follows:
–
The consistency time of Journal group 1 is 15:00.
–
The consistency time of Journal group 2 is 14:02.
60
Requirements and Restrictions for Universal Replicator z/OS Operations