HP XP P9500 Storage - Manual (Page 198)

Table 58 Prerequisite Hardware (Delta Resync Configuration)
Remarks Description Item
— One host computer is required for each of the
primary, local, and remote sites. Host
— One XP12000, XP24000, or XP P95000 disk array
storage system is required for each site (in all, three
storage systems are required). Storage system
— A bidirectional physical path (for logical paths and
delta resync control paths) connected by a Fibre Link between
storage systems
(physical path)
Channel cable is required between the storage
systems of the following sites:
•
Primary site and local site
• Primary site and remote site
•
Local site and remote site
Table 59 Storage System Setting Items (Delta Resync Configuration
Remarks Setting Description Item
— Use Remote Web Console for
the setup. A journal group is required for
the primary, local, and remote
sites (Time type: SYSTEM). Journal group
— One or more journal volumes
are required for each site. Journal volume
Use Business Continuity
Manager for the setup. Command devices that can be
used for the following route lists Command device • When the storage system at
the non-operating siste is
are required (see Table 61
(page 199) ).
directly connected to the
host at the operating site
(for example, the storage
•
Route list required when all
sites are available
system at the primary site
and the storage system at
• Route list used when a
failure occurs at a site
(recommended)
the local site are connected
to the host at the primary
site), no route to the
connected storage system
or command device is
required.
•
The Remote
→ Primary and
Remote
→ Local routes are
not required when Business
Continuity Manager is not
started at the remote site.
— Use Remote Web Console or
Business Continuity Manager
for the setup. Add an inter-disk controller
logical path (bidirectional)
between the local and remote
sites. Logical path
— Use Remote Web Console for
the setup. Add a Delta Resync control
path (bidirectional) between
sites. Delta Resync control path
Preparing the Configuration Files (Delta Resync Configuration)
Table 60 (page 199) lists the configuration files required for the delta resync configuration.
198 Configuration definitions