HP XP Continuous Access Software - Manual (Page 43)

3 Preparing for XP Continuous Access Journal Operations
This chapter describes the prerequisites and preparations to make to begin operations:
•
“Requirements and Restrictions” (page 43)
•
“Installing the Hardware” (page 51)
•
“Configuring the Primary and Secondary Storage Systems for XP Continuous Access Journal
Operations” (page 53)
•
“Using Multiple Primary and Secondary Storage Systems” (page 55)
•
“Enabling the XP Continuous Access Journal Option” (page 71)
•
“Interoperability with Other Products and Functions” (page 71)
•
“XP Auto LUN Software” (page 108)
•
“Planning of Journal Volumes” (page 109)
•
“Factors That Determine Data Transfer Speed Between the Primary and Secondary Storage
System” (page 112)
•
“Performing Remote Copy Between an XP12000/XP10000 Disk Array and an
XP24000/XP20000 Disk Array” (page 113)
Requirements and Restrictions
XP Continuous Access Journal has the following requirements and restrictions:
•
One-to-one volume copy operations (see “One-to-One Volume Copy Operations” (page 45) )
•
Logical unit (LU) type (see “Logical Unit (LU) Types” (page 45) )
•
Journal group (see “Journal Groups” (page 48) )
•
Accessing XP Continuous Access Journal primary data volumes and secondary data volumes
(see
“Accessing XP Continuous Access Journal Primary Data Volumes and Secondary Data
Volumes” (page 50) )
•
Cache and NVS (see “Cache and Nonvolatile Storage (NVS)” (page 50) )
•
Host failover software (see “Host Failover Software” (page 50) )
•
Duplicate volume (see “Duplicate Volumes” (page 50) )
System Requirements
XP Continuous Access Journal operations involve the primary storage systems and secondary
storage systems containing the primary and secondary data volumes, the remote copy connections
between the primary storage systems and secondary storage systems, the host(s) at the primary
Requirements and Restrictions 43