Table of Contents
Advertisement
–
4. (Optional) Specify a maximum count of drives to include in the patrol read.
The count must be a number from 1 to 255.
5. (Optional) Click virtual drives in the list under the heading Virtual Drives to include in the
patrol read and click Add > or click Add All >> to include all of the virtual drives.
6. (Optional) Change the frequency at which the patrol read runs.
The default frequency is weekly (168 hours), which is suitable for most configurations. The
other options are hourly, daily, and monthly.
Note:
7. (Optional) Set Patrol Read to run at a specific time.
The default setting for the patrol read is to start when you click OK on this window. To change
the default setting so that the patrol read starts at a specific time, follow these steps
(otherwise, skip this step and proceed to step 8):
a. Deselect the Perform Patrol Read when I click OK check box.
b. Select the month, year, day, and time to start the patrol read.
8. Click OK to enable your patrol read selections.
Note:
9. Click Go to enable these Patrol Read options.
To start a patrol read without changing the patrol read properties, follow these steps:
1. Click a controller icon in the left panel of the MegaRAID Storage Manager main menu screen.
2. Select Go To->Controller->Start Patrol Read in the menu bar or right-click a controller and
select Start Patrol Read from the menu.
3. When prompted, click Yes to confirm that you want to start a patrol read.
Patrol Read Task Rates
You have the option to change the patrol read task rate. The task rate determines the amount of
system resources that are dedicated to a patrol read when it is running. LSI recommends,
however, that you leave the patrol read task rate at its default setting.
If you raise the task rate above the default, the foreground tasks will run more slowly and it may
seem that the system is not responding. If you lower the task rate below the default, rebuilds and
other background tasks might run very slowly and might not complete within a reasonable time.
For more information, about the patrol read task rate, see
Page 82
Monitoring Controllers and Its Attached Devices
DB09-000202-05 37857-02
Rev. F - May 2011
Disabled: Patrol read does not run.
LSI recommends that you leave the patrol read frequency and other patrol read
settings at the default values to achieve the best system performance. If you decide
to change the values, record the original default values here so you can restore them
later, if necessary:
Patrol Read Frequency: ___________________
Continuous Patrolling: Enabled/Disabled
Patrol Read Task Rate: ___________________
Patrol read does not report on its progress while it is running. The patrol read status
is reported only in the event log.
Copyright © 2011 by LSI Corporation. All rights reserved.
Changing Adjustable Task
Rates.
Advertisement
Table of Contents
