HP XP P9500 Storage - Manual (Page 438)

Table 105 Operation Examples in a 2DC Configuration with HyperSwap and Continuous Access
Journal Z (continued)
See Contents Target
Maintenance or
Failure
Number
“Operating Procedure
During a Primary Host
Failure” (page 460) An operation example
when the primary site
stops due to a primary During a primary host
failure 11
host failure. This
procedure reverses the
copy direction of copy
pairs between the
primary storage
system and the remote
storage system, in
order to continue
operations at the
secondary site.
“Operating Procedure
During a Path Failure An operation example
when a path failure During a path failure
between the primary 12
Between the Primary occurs between the storage system and
Storage System and primary storage the local storage
system
the Local Storage
System” (page 464) system and the local
storage system. This
procedure suspends
Cnt Ac-S Z copy pairs
with the HyperSwap
attribute, and then
recovers the failure.
NOTE: A volatile storage system failure is one in which the storage system memory enters a
volatile state because of the failure, wherein copy pair information, as well as data, is completely
lost, and the hardware information must be reconfigured.
This section describes maintenance and troubleshooting procedures in a 2DC configuration with
HyperSwap and Cnt Ac-J Z.
The figures in the procedures contained in this section use the following legend:
The itemized lists under the figures in the procedures describe the commands that are executed in
the procedures.
Operation Startup Procedure
Business Continuity Manager provides commands for detecting HyperSwaps, such as YKCONMSG
and YKEWAIT.
Table 106 (page 439) describes the differences in functionality between the
YKCONMSG command and the YKEWAIT command.
438 Maintenance and troubleshooting operations