HP XP Racks - Manual (Page 200)

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, XP P95000 disk array, or XP7 storage 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 between appropriately configured fiber channel ports
is required between the storage systems of the following sites: Link between storage
systems (physical path)
• 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 201) ).
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 201) lists the configuration files required for the delta resync configuration.
200 Configuration definitions