HP XP P9500 Storage - Manual (Page 389)

Table 102 Using a Delta Resync Configuration (continued)
See Description Target
Maintenance or
Failure
No.
“Primary Site Host
Failure” (page 421) Perform a delta
resync, and then Primary site host
failure 13
change the
configuration to a
Delta Resync
configuration in which
the operation is
performed from the
local site (Local
→
Primary, Local →
Remote).
“Operating Procedure
During a Path Failure Suspend Cnt Ac-S Z
copy pairs, and then Path failure between
the Primary
→ Local
storage systems
14
Between the Primary change the
Site Storage System configuration to a
and the Local Site 2DC configuration
(Primary
→ Remote). Storage System”
(page 426)
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 configured.
This section explains the maintenance and troubleshooting procedures for a Delta Resync
configuration.
The figures in the procedures in this section use the following legend:
The itemized lists under the figures in the procedures describe the commands that must be executed
in the procedures.
Performing Primary Site Storage System Maintenance
This subsection explains the procedures for performing primary site storage system maintenance.
The procedure in this section uses the following legend:
Failover for Primary Site Storage System Maintenance
To perform failover:
1.
Stop operation at the primary site.
2. From the local site, execute the YKSUSPND FLUSH command for the Continuous Access
Journal Z copy pair between the primary site and the remote site.
Using a Delta Resync Configuration 389