Mode
Category
Description
Default
MCU/RCU
and RUN command gets longer (estimate of time to
report completion: 1 second per 1000 pairs), and
MIH may occur.
80
ShadowImage
•
For RAID 300/400/450 (SI for OPEN or Mainframe) In
response to the Restore instruction from the host or
Storage Navigator, the following operation is performed
regardless of specifying Quick or Normal.
•
For RAID 500/600/700 (SI for OPEN) In response to
the Restore instruction from the host, if neither Quick
nor Normal is specified, the following operation is
performed
Mode 80 = ON:
Normal Restore / Reverse Copy is performed.
Mode 80 = OFF:
Quick Restore is performed.
Notes:
1.
This mode is applied when the specification for
Restore of SI is switched between Quick (default) and
Normal.
2.
The performance of Restore differs depending on the
Normal or Quick specification.
OFF
-
87
ShadowImage
Determines whether NormalCopy or QuickResync, if not
specified, is performed at the execution of pairresync by
CCI.
Mode 87 = ON:
QuickResync is performed.
Mode 87 = OFF:
NormalCopy is performed.
OFF
-
104
HRC
Changes the default CGROUP Freeze option.
OFF
MCU
114
HRC
This mode enables or disables the LCP/RCP port to be
automatically switched over when the PPRC command
ESTPATH/DELPATH is executed.
Mode 114 = ON:
Automatic port switching during ESTPATH/DELPATH is
enabled.
Mode 114 = OFF (default):
Automatic port switching during ESTPATH/DELPATH is
disabled.
Notes:
1.
If you select an incorrect port while the mode is set
to ON, and if ESTPATH is executed when no logic path
exists, the port is switched to RCP.
2.
Set this mode to OFF before using TPC-R (IBM
software for disaster recovery).
OFF
MCU
System option modes
137
Hitachi Virtual Storage Platform G1000, G1500, and Virtual Storage Platform F1500 Hardware Guide