Changing DFSMStvs status

You can use the VARY SMS MVS command to change the status for DFSMStvs in these ways:

Change the state of a DFSMStvs instance or change the state of all DFSMStvs instances in the sysplex
Change the state of a log stream to which DFSMStvs has access
Change the state of a data set for VSAM record-level sharing (RLS) and DFSMStvs access
Start or stop peer recovery processing for a DFSMStvs instance

Restriction: You cannot use the VARY SMS command to change the state of a DFSMStvs instance while it is initializing. Any attempt to do so is suspended until the initialization completes.

The possible states of a DFSMStvs instance follow:

ENABLE: Enables DFSMStvs to begin accepting new units of recovery for processing.
DISABLE: Prevents DFSMStvs from processing new work requests. DFSMStvs does not process new work requests from units of recovery that are currently in progress.
QUIESCE: Prevents DFSMStvs from accepting any new units of recovery for processing. DFSMStvs completes the processing of any units of recovery in progress.

The possible states of a data set follow:

ENABLE: Unquiesces a data set for VSAM RLS and DFSMStvs access.
DISABLE: Quiesces a data set for VSAM RLS and DFSMStvs access.

For a description of the VARY SMS command, see z/OS MVS System Commands.

For information about the effects of DFSMStvs, log stream, and data set states on DFSMStvs processing, see z/OS DFSMStvs Planning and Operating Guide.