
Table 18 Software settings (OS and BCM)
RemarksDescriptionItem
As in the basic 3DC Multi-Target
configuration with Delta Resync pairs,
Route list (Configuration file)
the host at each site must have its own
route list.
See “Preparing the Software (OS,
Business Continuity Manager)” in the
User Guide to set up a route list.
Cnt Ac-S Consistency Preservation
function must be applied.
Cnt Ac-S copy group (Configuration file)
Setting has to be done before running a
script.
4x4 Cnt Ac-J copy group (Configuration
file)
•4x4 Cnt Ac-J copy groups are
required for the Primary-Remote sites
and the Local-Remote sites.
•Timer type of the Cnt Ac-J copy
groups must be “SYSTEM.”
•Either C/T group ID or sub C/T
group ID of a journal group must be
different from those of another
journal group.
•The S-VOL journal group of the Delta
Resync pairs must be the same as
the S-VOL journal group of Cnt Ac-J
copy pairs, but they must have the
different mirror ID specified.
•EXCTG ID of a forward direction of
Cnt Ac-J copy pairs (EXCTG in the
Remote site) must be the same as
EXCTG ID of a forward direction of
Delta Resync copy pairs (EXCTG in
the Remote site).
Overview of CLI commands for 4x4x4 Multi-Target configuration with Delta Resync
The following table shows the CLI commands that support 4x4x4 Multi-Target configuration with Delta
Resync and how they differ from their behavior on 4x4 configuration and Delta Resync configuration.
Table 19 Overview of CLI commands
RemarksDifferences from previous
version
4x4x4 configurationCLI command#
Not applicableNot applicableYKBLDCMD1
Not applicableNot applicableYKBLDPTH2
NoneSupportedYKCONMSG3
Not applicableNot applicableYKDELCMD4
If this situation occurs, issue
either the YKMAKE command
After performing Delta Resync,
if the Delta Resync copy pairs
between the Primary and
SupportedYKDELETE5
with the HOLD parameter to the
Remote sites are dissolved, Delta Resync copy pairs
EXCTG information of Cnt Ac-J between the Primary and
copy pairs between the Local Remote sites, or the YKMAKE
and Remote sites is also deleted. command with the
Therefore, issuing the YKQUERY SELECT(COND) parameter to
command to such copy pairs the Cnt Ac-J copy pairs between
causes the YKZ296E error
message to occur.
the Local and the Remote sites
to re-register them to EXCTG.
12 Prerequisites