A two-character value ranging from 01 to FF specifying the Global
Mirror session number.
VOLSER
Specifies the six-digit MVS volume number of the device to be
used for I/O. When LSSTYPE(FB) is specified for ACTION(DEFINE) or
ACTION(UNDEFINE), this is a six-character MVS volume serial number
of the device to be used as a CKD access device for I/O. This must
be an online System z® volume
located in the same cluster as the LSS where the command is directed.
DEVN
Specifies the four-digit MVS device number of the device to be
used for I/O. When LSSTYPE(FB) is specified, this is a four-digit
MVS device number of the device to be used as a CKD access device
for I/O. This must be a System
z device located in the same cluster as the LSS where the command
is directed.
ACTION
Specifies the action to be performed:
DEFINE
Define a Global Mirror session to an LSS.
UNDEFINE
Remove the specified Global Mirror session.
START
Start the Global Mirror session. This identifies the master storage
control, which will begin forming consistency groups for the specified
global mirror session.
RESUME
Resume a paused Global Mirror session and optionally redefine
the performance parameters for the session.
If the Global Mirror session was paused in a consistent
manner using CGPAUSE, RESUME automatically unsuspends and resyncs
the Global Copy pairs in the session.
PAUSE
Pause the specified Global Mirror session.
STOP
Terminate the specified Global Mirror session.
CGPAUSE
Pause the Global Mirror session and suspend the Global Copy pairs
in the session so that the secondaries are consistent.
LSSTYPE
This optional keyword identifies the type of LSS, either CKD or
FB (fixed block). When a Global Mirror session is to be defined to
a fixed block LSS, this parameter is required. LSSTYPE is ignored
if specified on actions other than DEFINE or UNDEFINE. The default
is CKD.
LSSNBR
This specifies the two-digit hexadecimal LSS number (00-FF) targeted
by this command. This keyword is required for ACTION(UNDEFINE) and
ACTION(DEFINE) when LSSTYPE(FB) is specified. This keyword is ignored
for actions other than DEFINE or UNDEFINE.
ESSSERIAL
Required with DEFINE and UNDEFINE and ignored
for all other actions, this specifies the 12-digit storage control
number targeted by this command.
MASTER
MASTER(YES) specifies that this command is being issued to a master
storage control. MASTER(NO) specifies that this is being issued to
a subordinate storage control. The default is YES. This keyword is
ignored for any action other than STOP.
MASTER(NO) and FORCE(YES)
are mutually exclusive.
FORCE
Optional for STOP and ignored for all other actions. Valid values
are NO (the default) and YES. Normally a Stop does not complete until
a consistent copy of the data has been achieved. By specifying FORCE(YES)
a Stop will be done even if a consistent copy of the data cannot be
formed. YES may only be specified when issuing commands to the master.
This is intended for use when there is an error that prevents a normal
STOP from taking place. FORCE(YES) and MASTER(NO) are mutually
exclusive.
MSSERIAL
Required for START, RESUME, PAUSE and STOP, and ignored
for all other actions, this specifies the 12-digit serial number of
the master storage control.
SBINFO
Required for START, RESUME, PAUSE and STOP, and ignored for all
other actions, sbinfo identifies a list of ESS subordinate
sets in the Global Mirror session. The values in a set come
from the corresponding values that were used for the Establish Path
command connecting the master storage control and subordinate storage
control. The SSIDs specified are for the control path between the
master and the subordinates.
mssid
Specifies the four-digit SSID number in the master storage
control where the control path to this subordinate originates.
sssid
Specifies the four-digit SSID number in the subordinate
storage control where the control path from the master storage control
terminates.
serialno
Specifies the twelve-digit serial number of the subordinate storage
control.