Performing primary storage system maintenance, Failover, Performing primary storage system – HP XP P9500 Storage User Manual

Page 439

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Table 106 Differences in Functionality Between the Commands for Detecting HyperSwaps

Note

Cause of HyperSwap
errors (failures or
maintenance)

How to detect
HyperSwaps

To detect HyperSwaps

Command name

You need to use a
script to check whether

Can be distinguished

Monitor the
HyperSwap
completion messages.

Business Continuity
Manager must be
running on the same
host as TPC-R.

YKCONMSG

a HyperSwap has
been executed for the
target copy group,
because all copy
groups are subject to
the HyperSwap
monitoring operation.

You can specify a
copy group to be
monitored.

Cannot be
distinguished

Monitors the status
transitions or the copy
pair or volume.

Business Continuity
Manager does not
need to run on the
same host as TPC-R.

YKEWAIT

To enable Business Continuity Manager to detect HyperSwaps, use either or both of the commands
to monitor the Cnt Ac-S copy pair with the HyperSwap attribute.

For details on the commands, see the HP XP P9000 for Business Continuity Manager Software
Reference Guide
.

In addition, load a route list in which a route from the local storage system to the remote storage
system is defined so that information about the remote storage system can be acquired.

Figure 119 (page 439)

shows an operational image of the 2DC configuration with HyperSwap and

Cnt Ac-J Z.

Figure 119 Operational Image of a 2DC Configuration with HyperSwap and Cnt Ac-J Z

Performing Primary Storage System Maintenance

The following are the procedures for performing primary storage system maintenance.

Failover

To perform a failover:
1.

Use TPC-R on the primary host to execute HyperSwap.

The copy direction of Cnt Ac-S copy pairs with the HyperSwap attribute is reversed, and the
groups are moved from the DUPLEX status to the SWAPPING status.

Using a 2DC configuration with HyperSwap and Continuous Access Journal Z 439

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