HP XP P9500 Storage - Manual (Page 227)

Table 68 Prerequisite Hardware (4x4 Configuration) (continued)
Remarks Description Item
physical path (for logical paths) using a
FCP cable.
— Inter-storage systems at the secondary
site: Establish a unidirectional
Inter-remote-disk controller physical path
(for arbitration paths) from the supervisor
DKC at the secondary site to each
subordinate DKC using a FCP cable.
Inter-storage systems at the primary site:
If consistency must be maintained by
using the reverse resync function,
establish a unidirectional physical path
(for arbitration paths) from the supervisor
DKC at the primary site to each
subordinate DKC using a FCP cable.
Table 69 Storage System Setting Items (4x4 Configuration)
Remarks Description Item
Use Remote Web Console for the setup. Secondary site storage system: At least
one arbitration command device is
required for each subordinate DKC. Arbitration command
device
Primary site storage system: If the Reverse
Resync function is used, at least one
arbitration command device is required
for each subordinate DKC.
Use Remote Web Console for the setup. Arbitration path • An arbitration path from the
supervisor disk controller at the
secondary site to each subordinate
disk controller.
• An arbitration path from the
supervisor disk controller at the
primary site to each subordinate disk
controller.
Use Remote Web Console for the setup. Set up a remote command device by
mapping it to the supervisor disk Remote command
device
controller of the arbitration command
device.
Use Remote Web Console for the setup. A journal group is required for each of
the primary and secondary sites. Journal group
Timer type: SYSTEM
Use Remote Web Console for the setup. At least one journal volume is required
for each journal group. Journal volume
Defining a 4x4 configuration 227