Hitachi TrueCopy for IBM z/OS User and Reference Guide (T5211-96001, June 2007)

A-48 Using PPRC Commands for TrueCopy for z/OS
Hitachi Universal Storage Platform V TrueCopy for IBM z/OS User’s Guide
Table A-14 GDPS-TCz Matrix (continued)
Peer-to-Peer
Remote Copy
(continued)
PPRC TCz, TCzA TCz, TCzA
Number of copy
operations on initial
copy
4
1 to 4, default is 4 per LCU. Note:
Requires Storage Navigator computer
(or SVP) to change default.
1 to 4, default is 4 per LCU. Note:
Requires Storage Navigator computer
(or SVP) to change default.
Dedicated interface
between storage
system s
No
Requires main storage system port to
be set to target by Storage Navigator
(or SVP) or automatically in response
to establish and delete path
commands.
Requires main storage system port to
be set to target by Storage Navigator
(or SVP) or automatically in response
to establish and delete path
commands.
PACE parameter initial
copy option
1-255, default is 15
(setting of 1 copies a
maximum of 3 tracks at a
time, 2-255 copies a
maximum of 15 tracks at
a time)
3 or 15, default = 15 tracks 3 or 15, default = 15 tracks
CRITICAL pair error
options (Fence Level
parameter)
Yes
No – Default
R-VOL Data
Never – Default
R-VOL Status
R-VOL Data
Never – Default
R-VOL Status
CGROUP
FREEZE/RUN by logical
controller SSID pair
FREEZE/RUN by logical controller
SSID pair.
FREEZE/RUN by logical controller
SSID pair.
CQUERY Supported Supported. Supported.
TC-Unique Features
(specified via
Storage Navigator
computer or SVP)
RCU Options
Minimum paths Not supported
Default = 1. Note: If the minimum
number of MCU-RCU active paths falls
below this value, all pairs will be
suspended based on the Fence Level
option in effect.
Default = 1. Note: If the minimum
number of MCU-RCU active paths falls
below this value, all pairs will be
suspended based on the Fence Level
option in effect.
PPRC support by host Host must support PPRC
Default = YES - PPRC supported,
optional capability to allow host
support for non PPRC capable OSs.
Default = YES - PPRC supported,
optional capability to allow host
support for non PPRC capable OSs.
RCU-to-MCU SIM
reporting
Not supported per IBM
doc Planning for IBM
Remote Copy (SG24-
2594-009 p.184)
To any host or only to RCU host To any host or only to RCU host
RCU to MCU service
SIM reporting
Not supported per IBM
doc Planning for IBM
Remote Copy (SG24-
2594-009 p.184)
Default = Not report; Designed for
non-MVS operating systems which do
not support SIM reporting.
Default = Not report; Designed for
non-MVS operating systems which do
not support SIM reporting.
Pair Options
Cache fast write data Not supported Optional to R-VOL, default = M-VOL Optional to R-VOL, default = M-VOL