- 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
Online capacity expansion
You can dynamically expand an online VD by using Online Capacity Expansion (OCE)
NOTE:The OCE feature is not supported on spanned VDs such as RAID 50 and RAID 60.
NOTE:If multiple VDs exist within a common disk group or if a single VD does not start at the first block of the disk group, the OCE operation is not supported on those VDs.
NOTE: OCE typically impacts disk performance until the expansion operation is completed.
Drive mixing rules apply to an OCE operation which does not allow mixing of:
- SAS and SATA drives
- HDDs and SSDs
- NVMe drives with HDDs and SSDs
An OCE operation can be performed in the following methods:
- If there is free space available in a disk group, the capacity of a virtual disk can be expanded within the available free space.
- If there is no free space available within the disk group, physical disks can be added to the virtual disk to increase its capacity.
- After replacing all disk group members with larger drives than the original member drives, use the PERC CLI utility to expand the existing disk group to a larger size using the Expand Disk Group feature.
CAUTION: Do not remove drives or attempt disk migration during OCE operations. This results in loss of VDs.
NOTE: An OCE operation is not supported when another OCE operation with PD addition is in progress on the controller.
NOTE:When an OCE operation is started on a VD, all VDs with write-back cache policy that are present on the controller are converted to write-through. Cache policy is restored to original setting after the OCE operation is completed.
NOTE:An OCE operation is not supported when certain background operations are in progress on a VD or vice versa. Any pending operations will start after the current operations are completed. Example operations are:
- Virtual Disk Initialization
- Consistency Check
- Background Initialization
- Drive Rebuild
- Copyback
- Patrol Read
NOTE: If the controller already contains the maximum number (64) of VDs (all VD configurations except a single drive R0), contains the maximum number (240) of disk groups, or surpasses the maximum number (240) of configured PDs with the OCE operation, you cannot perform an OCE operation.
NOTE:The RAID Level Migration (RLM) feature is not supported on PERC12 controllers.
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