HP SAN Virtualization Services Platform - Manual (Page 229)

Method parameters
IN/OUT Comments Type Parameter
Name
IN - Required
This describes the type of modification to be made to the
replica. The supported values are:
• 2 ("Detach") - 'Forget' the synchronization between two
storage objects. Start to treat the objects as independent.
• 3 ("Fracture") - Suspend the synchronization between
two storage objects using sync or async replication. The
association and (typically) changes are remembered to
allow a fast resynchronization. This may be used during
a backup cycle to allow one of the objects to be copied
while the other remains in production.
• 5 ("Restore from Replica") - Renew the contents of the
original storage object from a replica.
• 6 ("Prepare") - Get the link ready for a Resync operation
to take place. Some implementations will require this
operation to be invoked to keep the Resync operation
as fast as possible. May start the copy engine.
• 7 ("Unprepare") - Clear a prepared state if a Prepare
is not to be followed by a Resync operation.
• 8 ("Quiesce") Some applications require notification so
that they can ready the link for an operation. For ex-
ample flush any cached data or buffered changes. The
copy engine is stopped for UnSyncAssoc replications.
• 9 ("Unquiesce") - Take the link from the quiesced state
(without executing the intended operation.
• 10 ("Reset To Sync") - Change the CopyType of the as-
sociation to Sync (for example, from the async copy
type).
• 11 ("Reset To Async") - Change the CopyType of the
association to Async (for example, from the sync copy
type).
• 12 ("Start Copy") - Initiate a full background copy of
the source to the UnSyncAssoc replica. Replica enters
Frozen state when copy operation is completed.
• 13 ("Stop Copy") - Stop the background copy previously
started.
The "Detach" operation is used to delete a PiT-snapshot,
and to detach synchronous and asynchronous mirrors.
The "Fracture" operation is used to suspend asynchronous
mirroring.
The "Restore from Replica" operation is used to restore a
source virtual disk to be identical to a snapshot.
The "Start Copy" operation is used to resume a snapclone.
The "Stop Copy" operation is used to resume a snapclone.
uint16 Operation
SAN Virtualization Services Platform SMI-S User Guide 229