Hitachi ShadowImage for z/OS user guide (HIT9503-96007, October 2007)

150 ShadowImage for the XP1024/XP128/XP12000/XP10000/SVS 200
Table 70 on page 150 lists and describes the ICKDSF command parameters supported by FlashCopy
Mirror Version 2.
Table 70 ICKDSF Command Parameters
Command Parameter Paramet
er
Description
FLASHCPY
ESTABLISH
DDNAME or DNAME JCL
stateme
nt
Sets the JCL statement identifying the volume. If the OS of the host
server is MVS, this parameter or the UNITADDRESS parameter is
required.
SYSNAME SYSNA
ME
Sets the SYSNAME in the ASSGN system control statement. If the OS
of the host server is VSE, this parameter is required.
UNITADDRESS,
UNITADDR, or UNIT
Source
device
number
Specifies the device number (device address) of the S-VOL on which
you want to perform the FLASHCPY ESTABLISH command. If the OS of
the host server is MVS, this parameter or the DDNAME parameter is
required.
TARGETVOL or TGTVOL CU
number
LDEV
number
Target
device
number
Specifies the CU number, LDEV number, and device number (device
address) of the T-VOL on which you want to perform the FLASHCPY
ESTABLISH command. This parameter is required.
CHANGERECORDING,
CHANGERCD, or
CHRCD
YES Establishes the relationship which covers the entire volume. The
relationship will be maintained even after the background copying
process is completed, and if the S-VOL and the T-VOL are updated, the
updated part will be managed as the differential data.
No Establishes the relationship which covers the entire volume. The
relationship will be deleted after the background copying process is
completed.
The default setting of this parameter is NO.
INHIBITTARGETWRITES,
INHIBWRTS, or
NOTGTWR
Yes If the relationship is maintained after the background copying process
is completed, the T-VOL cannot be written until the relationship is
deleted, or the command releasing the prohibition of the writing is
executed.
No Even when the relationship is maintained after the background
copying process is completed, the T-VOL can be written.
Default setting of this parameter is NO.
MODE COPY Establishes the relationship which covers the entire volume, and
execute the background copying process.
The default setting of this parameter is COPY.
NOCO
PY
Establishes the relationship which covers the entire volume. The
background copying process will not be performed .
ONLINTGT or ONTGT Yes The relationship is established even when the S-VOL is online.
No The relationship is not established when the copy target is online.
The default setting of this parameter is NO.