HP XP P9500 Storage - Manual (Page 17)

2 Requirements and specifications
This chapter provides system requirements for Continuous Access Journal Z.
System requirements
Continuous Access Journal Z operations are performed between the host(s) and the primary and
secondary storage systems containing the P-VOLs and S-VOLs, using the data path.
General requirements for the Continuous Access Journal Z components are listed below.
Table 1 General system requirements
Requirement Item
Two—one at the local site, one at the remote site. Also, any combination of the
following can be used with Continuous Access Journal Z: Number of P9500 systems
•
Four on primary side
•
Four on secondary side
Continuous Access Journal Z •
Must be installed on primary and secondary P9500 systems.
•
License keys required.
•
On secondary systems, Continuous Access Journal can coexist with Continuous
Access Journal Z.
Other licenses required • Continuous Access Synchronous Z is required, whether or not Continuous Access
Journal Z shares volumes with Continuous Access Synchronous Z
•
Continuous Access Journal 3DC & 4x4 Open Z MF in the following Continuous
Access Journal Z configurations:
- When running a 3DC system
The track format for the P-VOL and S-VOL must meet the following requirements: Disk Track Format
•
The Continuous Access Synchronous Z P-VOL and S-VOL must have the same
track format.
•
Record zero (R0) must be standard format, with key length of zero and data
length of eight. The primary system aborts the initial copy operation if R0 is not
standard format.
• The CCHH (logical cylinder address and logical head address) of R0 must be
identical to the physical cylinder address and physical head address of the
track.
•
The CCHH of each user record in a track must be unique.
The following program products can be used:
• Remote Web Console
- Required
- Storage Administrator or (Remote Copy) role is required.
Interfaces
• RAID Manager
•
Business Continuity Manager
System requirements 17