Hp Storage Mirroring Software User Manual download pdf (Page 103)

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Controlling replication manually

To stop and start replication for an established source/target connection, right-click the connection on the right pane of the

Management Console and select

Replication and the appropriate replication control.

Monitoring replication

1. To view the connection on the Management Console, highlight the source machine on the left pane and the connection

information will appear on the right pane. Use the horizontal scroll bar at the bottom of the right pane to view the

Replication Status column. The possible states are:

! Replicating—Data is being replicated to the target machine or replication data is in the queue waiting to be

transmitted.

! Ready—There is no data in the queue to replicate to the target machine.

! Stopped—Replication has stopped.

! Pending—If auto-remirror is enabled and you have experienced an auto-disconnect, the status will change to

pending while the connections are reestablished and will update when the remirror begins. If auto-remirror is

disabled and you have experienced an auto-disconnect, replication operations will queue on the source until a

remirror is performed. At this point, the replication status will be pending. Without a remirror, data integrity cannot

be guaranteed.

! Out of Memory—The kernel has reached the stop replication limit or the machine has run out of physical memory.

When out of memory occurs, all current active connections on the machine will show that a connection error has

occurred. When the problem is fixed, the connections will switch to pending status.

2. Use the horizontal scroll bars to display additional replication statistics.

! Sent (Bytes)—The total number of mirror and replication bytes that have been sent during this connection.

! Queued Replication (Bytes)—The total number of replication bytes that remain in the source queue.

! Sent Replication (Bytes)—The total number of replication bytes that have been sent during this connection.

NOTE: If you stop replication manually, you will need to perform a remirror when it is restarted.

If you only need to temporarily pause data from being transmitted to the target and do not want to stop

replication, select

Transmit, Pause. When you are ready to restart the transmission, select Transmit, Start.

NOTE: There are other statistics available through the Management Console, but they are not displayed by default.

To change the statistics display, see Customizing the statistics on page 13-4.

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Hp Storage Mirroring Software User Manual Page 103