Operation Startup Procedure - HP XP P9500 Software User's Manual

Table 85 Operation Examples in a 2DC Configuration with HyperSwap and Continuous Access
Journal Z (continued)
Number
1 1
12
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.
command and the YKEWAIT command.
350 Maintenance and Troubleshooting Operations
Maintenance or
Failure
Table 86 (page 351) describes the differences in functionality between the YKCONMSG
Target Contents
During a primary host An operation example
failure when the primary site
stops due to a primary
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.
During a path failure An operation example
between the primary when a path failure
storage system and occurs between the
the local storage primary storage
system system and the local
storage system. This
procedure suspends
Cnt Ac-S Z copy pairs
with the HyperSwap
attribute, and then
recovers the failure.
See
Operating procedure
during a primary host
failure on page 8-86
Operating procedure
during a path failure
between the primary
storage system and the
local storage system
on page 8-91