- 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)
- 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
- 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
- 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
- An incorrect 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
- 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
- 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
Using persistent hot-spare slots
The PERC 12 series is configured so that the system backplane or storage enclosure disk slots are dedicated as hot-spare slots.
Any slots with hot-spares are persistent. If a hot-spare disk fails or is removed, a replacement disk that is inserted into the same slot automatically becomes a hot-spare with the same properties as the hot-spare slot it is replacing. If the replacement disk does not match the disk protocol and technology, it does not become a hot-spare.
For more information about persistent hot-spares, see the Dell OpenManage documentation available on the support site.
NOTE:If all the VDs that are associated with a dedicated hot-spare are removed, then the hot spare will be converted to a global hot-spare.
NOTE:If all the VDs attached to a controller are removed from a system, then the hot-spare slots, if any, will be deleted.
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