Hitachi VSP Gx00 series User Manual

Mode Category Description Default MCU/RCU
22 Common Regarding the correction copy or the drive copy, in
case EC
Cs/LRC PINs are set on the track of copy
source HDD, SOM 22 can be used to interrupt the
copy processing (default) or to create ECCs/LRC PINs
on the track of copy target HDD to continue the
processing.
Mode 22 = ON: If ECCs/LRC PINs (up to 64) have
been set on the track of copy source HDD, ECCs/LRC
PINs (up to 64) will be created on the track of copy
target HDD so that the copy processing will continue.
If the number of ECCs/LRC PINs exceeds 64, the
corresponding copy processing will be interrupted.
Mode 22 = OFF: If ECCs/LRC PINs have been set on
the track of copy source HDD, the copy processing
will be interrupted. (First recover ECCs/LRC PINs by
using the PIN recovery ow, and then perform the
correction copy or the drive copy again).
One of the controlling option for correction/drive
copy.
OFF None
80 ShadowImage In response to the Restore instruction from the host,
if neither Quick nor Normal is specied, the following
operation is performed.
Mode 80 = ON: Normal Restore / Reverse Copy is
performed.
Mode 80 = OFF (default): Quick Restore is
performed.
Notes:
1. This SOM is applied when the specication for
Restore of SI is switched between Quick
(default) and Normal.
2. The performance of Restore diers depending
on the Normal or Quick specication.
OFF -
87 ShadowImage Determines whether NormalCopy or QuickResync, if
not specied, is performed at the execution of
pairresync by CCI.
Mode 87 = ON: QuickResync is performed.
Mode 87 = OFF (default): NormalCopy is performed.
OFF -
System option modes
Appendix B: System option modes
System Administrator Guide for VSP Gx00 models and VSP Fx00 models 289

Hitachi VSP Gx00 series Specifications

General

Brand	Hitachi
Model	VSP Gx00 series
Category	Storage
Language	English