- Notes, cautions, and warnings
- Dell Technologies PowerEdge RAID Controller 12
- Applications and User Interfaces supported by PERC 12
- Features of PowerEdge RAID Controller 12
- Controller features
- Hardware Root of Trust
- Security Protocol and Data Model (SPDM)
- Device enumeration
- UEFI Secure Boot
- Auto-Configure Behavior (Execute Once)
- Auto-Configure Behavior (Primary and Secondary settings)
- Drive Performance Monitoring (DPM)
- Disk roaming
- Hardware Accelerated I/O
- Non–RAID disks
- Physical disk power management
- Firmware update
- Snapdump
- Physical disk coercion
- PERC H965e support for PowerVault MD24XX enclosure
- Virtual disk features
- Virtual disk initialization
- Background operations
- Drive features
- Fault tolerance
- Controller features
- Install and remove a PERC 12 card
- Driver support for PERC H965i Adapter, PERC H965i Front, PERC H965i MX, and PERC H965e Adapter
- Manage the PERC 12 firmware
- Manage PERC 12 controllers using HII Configuration Utility
- Enter the PERC 12 HII Configuration Utility
- Exit the PERC 12 HII Configuration Utility
- Navigate to the PERC 12 Configuration Utility
- View the HII Configuration Utility dashboard
- Configuration management
- Controller management
- Save persistent events
- Clear persistent events
- Manage snapdump
- Enable security
- Disable security
- Change security settings
- Restore factory default settings
- Manage the SAS Storage link speed
- Manage the PCIe storage interface
- Auto-Configure Behavior Management
- Advanced controller properties
- Virtual disk management
- Device management
- Hardware components
- Security key management in HII configuration utility
- Security key and RAID management
- Security key implementation
- Local Key Management
- Create a security key
- Change security settings
- Disable security key
- Create a secured virtual disk
- Secure a non-RAID disk
- Secure a pre-existing virtual disk
- Import a secured non-RAID disk
- Import a secured virtual disk
- Dell Technologies OpenManage Secure Enterprise Key Manager (SEKM)
- Supported controllers for OpenManage Secure Enterprise Key Manager (SEKM)
- Manage the Server Enterprise Key Manager (SEKM) feature
- Disable the Secure Enterprise Key Manager (SEKM) feature
- Manage virtual disks in the SEKM mode
- Manage non–RAID disks in the SEKM mode
- Transition of drives from Local Key Management to Secure Enterprise Key Management
- Troubleshooting issues in PERC 12 series cards
- Virtual drive Blink and Unblink operations are unavailable in iDRAC UI and HII
- Samsung PM893 and Samsung PM897 SATA SSDs are supported on PERC12 firmware version 8.8.0.0.18-26 and later
- The SMART data of SATA SSDs is unavailable from iDRAC
- The default HDD cache policy is not updated to support the read-ahead operation
- Firmware downgrade operation may fail if the firmware version downgraded to does not have the supported feature set
- Unable to downgrade the firmware version of PERC12 to an older revision
- When secured drives are hot-removed or hot-inserted in the server, iDRAC doesn't generate the PD Unlock event
- During a Key Exchange Failure scenario in SEKM mode, native locked drives are Identified as "Locked with Foreign Key" in all interfaces
- After importing the foreign configuration of the associated global hot-spare drive on a PERC12 series controller, the drive is still reported as both Online and global hot-spare
- LED Operations using ESXCLI Commands for H965 and HBA465 Series controller is not available using VMware ESXi OS
- Backplane slot count may be reported as 32 if there is an error with the backplane during discovery or runtime
- Single virtual disk performance or latency in hypervisor configurations
- Unable to discover or detect a PERC card
- Unable to install the Microsoft Windows operating system
- Only UEFI is supported and not BIOS
- A fault firmware state is detected
- Foreign configuration not found in HII
- Degraded state of virtual disks
- Boot-time errors
- Event log errors
- Application issues
- Memory errors
- Preserved Cache state
- Security key errors
- General issues
- Physical disk issues
- Unconfigured drives are not listed in the OS or Hardware Diagnostics
- Physical disk in failed state
- Unable to rebuild a fault tolerant virtual disk
- An NVMe drive is indicated as faulty when moving the drive to new backplane using hot-insertion
- Fatal error or data corruption reported
- Multiple disks are inaccessible
- Rebuilding data for a failed physical disk
- Virtual disk fails during rebuild using a global hot-spare
- Dedicated hot-spare disk fails during rebuild
- Virtual disk fails rebuild using a dedicated hot spare
- Physical disk takes a long time to rebuild
- Drive removal and insertion in the same slot generates a foreign configuration event
- SMART errors
- Replace member errors
- Linux operating system errors
- Drive indicator codes
- The AutoSecure feature is not supported
- HII error messages
- Appendix—RAID description
- Getting help
- Documentation resources
Dell PowerEdge RAID Controller 12 User’s Guide PERC H965i Adapter, PERC H965i Front, PERC H965i MX, and PERC H965e Adapter
Set the patrol read mode
Steps
- Enter the Dell PERC 12 Configuration Utility. See Navigate to the Dell PERC 12 configuration utility.
- Click .
-
Click
Patrol Read.
The following options are displayed:
- Start—Starts patrol-read for the selected controller.
- Suspend—Suspends the ongoing patrol-read operation on the controller.
- Resume—Resumes the suspended patrol-read operation.
- Stop—Stops patrol-read for the selected controller.
- Rate—Indicates the percentage of system resources dedicated to perform the patrol-read operation.
- To enable or disable patrol-read and to correct unconfigured areas on the physical disk, click Correct Unconfigured Areas.
- Click Apply Changes.
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