HP XP Racks User Manual
Page 145
Table 34 Prerequisite hardware (2DC configuration)
Remarks
Description
Item
Installation of a host at the secondary
site is optional.
The most common configuration is that
of one host at the primary site and one
Host
host at the secondary site. (the
installation of a host at the secondary
site is optional).
—
One storage system must be installed
at the primary site, and one at the
secondary site.
Storage system
With the exception of Cnt Ac-J Z,
operation is only possible in forward
A bidirectional physical path must be
established between the primary and
Physical path
direction paths. However, for operation
secondary sites, connected by
from the secondary site or planned use
appropriately configured fiber channel
ports.
of the Reverse Resync function, connect
paths bidirectionally ahead of time.
Reverse direction is recommended for
reverse direction paths, but required
for Cnt Ac-J Z.
Table 35 Storage system setting items (2DC configuration)
Remarks
Setting
Description
Item
—
Use Remote Web Console
for the setup.
A journal group is required
for both the primary site and
secondary site.
Journal group
—
One or more journal
volumes are required for
each journal group.
Journal volume
—
BC Z consistency group ID
(C/T Group ID) must be
BC Z consistency group ID
(C/T group ID)
created for the secondary
site. (Optional).
This is required when a
reverse direction command
Use Business Continuity
Manager for the setup.
Command device
•
For the route in the
forward direction
(Primary
→ Secondary)
device uses the Remote DKC
Control function to operate
•
For the route in the
reverse direction
a primary site storage system
from a secondary site.
(Secondary
→ Primary)
(optional)
—
Use Remote Web Console
or Business Continuity
Manager for the setup.
An inter-disk controller
logical path must be
established.
Logical path
Preparing the configuration files (2DC configuration)
lists the configuration files required for using Business Continuity Manager in
a 2DC configuration.
Defining a 2DC configuration
145