User's Manual

To set the Patrol Read mode:
Click the radio button for the Patrol Read mode setting that you want to select: The possible settings are:
l Auto—Setting the mode to Auto initiates the Patrol Read task. When the task is complete, it automatically runs again within a specified period of time.
For example, on some controllers the Patrol Read runs every four hours and on other controllers, the Patrol Read runs every seven days. The Patrol
Read task runs continuously on the system starting again within the specified period of time after each iteration of the task completes. If the system
reboots while the Patrol Read task is running in Auto mode, the Patrol Read restarts at zero percent (0%). When the Patrol Read task is set to Auto
mode, you cannot start or stop the task. Auto mode is the default setting.
l Manual—Setting the mode to Manual enables you to start and stop the Patrol Read when you want using the Start and Stop Patrol Read tasks. Setting
the mode to Manual does not initiate the Patrol Read task. If you have started the Patrol Read and the system reboots while the Patrol Read is running
in Manual mode, the Patrol Read does not restart.
l Disabled—Setting the mode to Disabled prevents the Patrol Read task from running on the system.
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To locate this task in Storage Management:
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1. Expand the Storage tree object to display the controller objects.
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2. Select a controller object.
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3. Select the Information/Configuration subtab.
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4. Select Set Patrol Read Mode from the Available Tasks drop-down menu.
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5. Click Execute.
You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Properties.
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Related Information:
l Start and Stop Patrol Read
Start and Stop Patrol Read
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Does my controller support this feature? See Supported Features.
When the Patrol Read mode is set to manual, you can start the Patrol Read task or stop the task when it is running.
There are certain conditions under which the Patrol Read task cannot be run. See Set Patrol Read Mode for more information.
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To start or stop the Patrol Read task:
Click Start Patrol Read or Stop Patrol Read when ready. To exit without starting or stopping the Patrol Read, click Go Back to Previous Page.
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To locate this task in Storage Management:
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1. Expand the Storage tree object to display the controller objects.
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2. Select a controller object.
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3. Select the Information/Configuration subtab.
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4. Select Start Patrol Read or Stop Patrol Read from the Available Tasks drop-down menu.
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5. Click Execute.
You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Properties.
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NOTE: Refer to your controller documentation for more information on how often the Patrol Read task runs when in Auto mode.