Lenovo ThinkServer RD240 MegaRAID SAS Software User Guide - Page 318
Manual, Start Patrol Read, Disabled, Patrol Read Frequency, Continuous Patrolling
![]() |
View all Lenovo ThinkServer RD240 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 318 highlights
- Auto: Patrol read runs automatically at the time interval you specify on this screen. - Manual: Patrol read runs only when you manually start it by selecting Start Patrol Read from the controller Options panel. - Disabled: Patrol read does not run. 7. (Optional) Specify a maximum count of drives to include in the patrol read. The count must be between 0 and 255. 8. (Optional) Select virtual drives on this controller to exclude from the patrol read. The existing virtual drives are listed in the gray box. To exclude a virtual drive, check the box next to it. 9. (Optional) Change the frequency at which the patrol read will run. The default frequency is 7 days (168 hours), which is suitable for most configurations. (You can select second, minute, or hour as the unit of measurement.) Note: It is recommended 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 value here so you can restore them later, if necessary: Patrol Read Frequency Continuous Patrolling: Enabled/Disabled Patrol Read Task Rate 10. (Optional) Select Continuous Patrolling if you want patrol read to run continuously in the background instead of running at periodic intervals. If you select Continuous Patrolling, the time interval field is grayed out. 11. Click Go to enable these patrol read options. Note: Patrol read does not report on its progress while it is running. The patrol read status is reported in the event log only. You can also (optionally) 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. It is recommended, however, that you leave the patrol read task rate at its default setting. If you raise the task rate above the default, foreground tasks will run more slowly and it may seem that the system is not responding. If you lower the task rate below the 9-18 Monitoring System Events and Storage Devices
![](/manual_guide/products/lenovo-thinkserver-rd230-megaraid-sas-software-user-guide-7a323ec/318.png)