HP XP Business Copy Software - Manual (Page 51)

Cautions on Switching Off the Power Supply
If you have to switch off the power supply of the XP storage system during SIz operations, make
sure to:
•
Complete copying for the SIz pair in the SP-pend or V-split status first to change the pair status
from SP-pend or V-split to split, and then switch off the power supply.
If the shared memory is volatilized when you switch on the power supply again, the pair in
the SP-pend or V-split status changes to suspend.
•
First complete the processing of At-Time Split function, and then switch off the power supply.
If the status of only a part of the pairs in the same CTG is changed, the processing of At-Time
Split function may not resume when you switch on the power supply, and the status of some
pairs may remain unchanged.
•
Establish a timetable for SIz copying operations according to required copying time that may
take longer because of the power-supply off.
If the shared memory is volatilized when you switch on the power supply again, the following
conditions occur.
◦ If the SIz pair was in the pending or resync status, data that was already copied before
the power-supply off again becomes the target data to be copied after the power-supply
on. Even if there is no host I/O, the data consistency rate does not reach 100% when
the SIz pair status changes to duplex. When the SIz pair status changes to duplex, the
target data is copied to the T-VOL.
◦ If the SIz pair was in the duplex status, data that was already copied before the
power-supply off again becomes the target data to be copied after the power-supply on.
In this case, the data consistency rate is 0%, and the target data is copied to the T-VOL.
◦ If the SIz pair was in the split status, the entire volume becomes the differential data. In
this case, the data consistency rate is 0%, and the entire volume is copied to the T-VOL
when you perform the pairresync operation.
Installing ShadowImage for Mainframe
The user enables the license key required for SIz operations on the Remote Web Console computer.
To install the SIz license key:
1. Log on to the SVP and start up the Java application of Remote Web Console.
For information about how to log on to the SVP, see the HP StorageWorks XP24000/XP20000
Remote Web Console User's Guide.
2. Install ShadowImage for Mainframe on the Remote Web Console computer.
You need to install ShadowImage for Mainframe in every storage system on which you want
to use ShadowImage for Mainframe. For information about how to install ShadowImage for
Mainframe, see the HP StorageWorks XP24000/XP20000 Remote Web Console User's
Guide.
Starting ShadowImage for Mainframe
After you have completed the preparation to use the Remote Web Console computer and prepared
for SIz operations, you are ready to start up ShadowImage for Mainframe.
To start ShadowImage for Mainframe and display the window you need to:
Installing ShadowImage for Mainframe 51