HP XP P9500 Storage - Manual (Page 242)

Table 81 Required route list (4x4x4 Cascade configuration) (continued)
Route list needed in Business Continuity Manager Remote site
condition Intermediate site
condition Primary site
condition Host on which Business
Continuity Manager is
started
Intermediate
→ Primary
Unusable Usable Usable
Intermediate
→ Remote
Usable Usable Unusable
Intermediate Unusable Usable Unusable
Remote
→ Intermediate → Primary
Usable Usable Usable Remote host
None Usable Unusable Usable
Remote
→ Intermediate
Usable Usable Unusable
None Usable Unusable Unusable
Legend:
Usable: The target site can be used.
Unusable: The target site cannot be used because of an error.
# This is required for the Continuous Access Synchronous Z Consistency Preservation Function.
The following table describes how to prepare the configuration files at each site.
Table 82 How to Prepare Configuration Files at Each Site (4x4x4 Cascade)
How to prepare Contents File type
At the remote site At the intermediate site At the primary site
Transfer from the
primary site. Transfer from the
primary site. Perform a local scan. The primary site
configuration Disk configuration
definition file
Transfer from the
intermediate site. Perform a Local Scan. Transfer from the
intermediate site. The intermediate site
configuration
Perform a Local Scan. Transfer from the
remote site. Transfer from the remote
site. The remote site
configuration
Not required Not required Define a path set. A Primary → Intermediate
inter-control unit logical
path
Path set definition file
Not required Define a path set. Not required •
An Intermediate
→
Primary inter-control unit
logical path
•
An Intermediate
→
Remote inter-disk
controller logical path
Define a path set. Not required Not required A Remote
→ Intermediate
inter-disk controller logical
path
Not required Not required Define a route list. A Primary
→ Intermediate
→ Remote route/command
device
Route list definition
file/command device
definition file
Not required Define a route list. Not required •
An Intermediate
→
Primary route/command
device
• An Intermediate →
Remote route/command
device
242 Configuration definitions