Dell PERC 4/SI User Manual
Page 33
Patrol Read Options
describes the Patrol Read Options submenu. See
for detailed information about the Patrol Read.
Table 4-4. Patrol Read Options Menu
Logical Drive
Select Objects→ Logical Drive to select a logical drive and to perform the actions listed in
Table 4-5. Logical Drive Menu Options
Physical Drive
Select Objects→ Physical Drive to select a physical device and to perform the operations listed in the table below. The physical drives in the computer are
listed. Move the cursor to the desired device and press
displays the operations you can perform on the physical drives.
Table 4-6. Physical Drive Menu Options
BIOS Echoes Messages:
When set to On (the default), all controller BIOS messages display during bootup.
BIOS Configuration Autoselection:
Use this option if there is a mismatch between configuration data in the drives and NVRAM, so you
can select a method to resolve it. The options are NVRAM, Disk, and User. The default is User.
Patrol Read
Options
Patrol Read involves the review of your system for possible hard drive errors that could lead to drive failure, then action to correct
errors. The goal is to protect data integrity by detecting physical drive failure before the failure can damage data. Patrol Read occurs only
when the controller is idle for a defined period of time and no other background tasks are active.
Patrol Read Options gives you the ability to start and stop Patrol Reads, display Patrol Read status, and set the Patrol Read mode. See
for detailed information about the Patrol Read.
Option
Description
Patrol Read Mode Use this option to set Patrol Read for manual operation (user-initiated) or automatic operation, or to disable Patrol Read.
Patrol Read
Status
Displays the number of iterations completed, the current state of the Patrol Read (active or stopped), and the schedule for the next
execution of Patrol Read.
Patrol Read
Control
Use this option to start or stop Patrol Read.
Option
Description
Initialize
Initializes the selected logical drive. Do this for every logical drive that is configured.
Check Consistency
Verifies the correctness of the redundancy data in the selected logical drive. This option is available only if RAID level 1, 5, 10, or 50 is
used. The RAID controller automatically corrects any differences found in the data.
View/Update
Parameters
Displays the properties of the selected logical drive. You can modify the cache write policy, read policy, and the input/output (I/O)
policy from this menu.
Option
Description
Rebuild
Rebuilds the selected physical drive.
Rebuild
Select this option to rebuild a failed hard disk drive.
Clear
Select this option to clear the data from SCSI drives.
Force Online
Changes the state of the selected hard drive to online.
Force Offline/Remove
HSP
Changes the state of the selected hard drive to offline.
Make HotSpare
Designates the selected hard drive as a hot spare.
View Drive
Information
Displays the drive properties for the selected physical device.