- Notes, cautions, and warnings
- Dell Technologies PowerEdge RAID Controller 11
- Features of PERC H755 adapter
- Features of PERC H755 front SAS
- Features of PERC H755N front NVMe
- Features of PERC H755 MX adapter
- Features of PERC H750 adapter SAS
- Features of PERC H355 adapter SAS
- Features of PERC H355 front SAS
- Features of PERC H350 adapter SAS
- Features of PERC H350 Mini Monolithic SAS
- Operating systems supported by PERC 11 cards
- Technical specifications of PERC 11 cards
- Thermal specifications
- Applications and User Interfaces supported by PERC 11
- Features of PowerEdge RAID Controller 11
- Controller features
- Virtual disk features
- Virtual disk initialization
- Reconfigure virtual disks
- Background operations
- Hard drive features
- Fault tolerance
- Install and remove a PERC 11 card
- Safety instructions
- Before working inside your system
- After working inside your system
- Remove the PERC H755 adapter
- Install the PERC H755 adapter
- Remove the PERC H755 front SAS card
- Install the PERC H755 front SAS card
- Remove the PERC H755N front NVMe card
- Install the PERC H755N front NVMe card
- Remove the PERC H755 MX adapter
- Install the PERC H755 MX adapter
- Remove the PERC H750 adapter SAS
- Install the PERC H750 adapter SAS
- Remove the PERC H355 adapter SAS
- Install the PERC H355 adapter SAS
- Remove the PERC H355 front SAS
- Install the PERC H355 front SAS card
- Remove the PERC H350 adapter SAS
- Install the PERC H350 adapter SAS
- Remove PERC H350 Mini Monolithic SAS
- Install PERC H350 Mini Monolithic SAS
- Driver support for PERC 11
- Firmware
- Manage PERC 11 controllers using HII configuration utility
- Enter the PERC 11 HII configuration utility
- Exit the PERC 11 HII configuration utility
- Navigate to Dell PERC 11 configuration utility
- View the HII Configuration utility dashboard
- Configuration management
- Controller management
- Clear controller events
- Save controller events
- Save debug log
- Enable security
- Disable security
- Change security settings
- Restore factory default settings
- Auto configure behavior
- Manage controller profile
- Advanced controller properties
- Virtual disk management
- Physical disk 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
- Supported controllers for OpenManage Secure Enterprise Key Manager
- Manage enterprise key manager mode
- Disable enterprise key manager mode
- Manage virtual disks in enterprise key manager mode
- Manage non–RAID disks in enterprise key manager mode
- Transition of drives from local key management to enterprise key management (without supported firmware for PERC and iDRAC)
- Migrate of drives from local key management to enterprise key management (with supported firmware for PERC and iDRAC)
- Troubleshooting
- Single virtual disk performance or latency in hypervisor configurations
- Configured disks removed or not accessible error message
- Dirty cache data error message
- Discovery error message
- Drive Configuration Changes Error Message
- Windows operating system installation errors
- Firmware fault state error message
- Foreign configuration found error message
- Foreign configuration not found in HII error message
- Degraded state of virtual disks
- 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
- 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
- Redundant virtual disk fails during reconstruction
- 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
- System reports more drive slots than what is available
- World Wide Number on drive sticker is not the same in applications
- Backplane firmware revision not changing in PERC interfaces after an update
- Appendix RAID description
- Getting help
- Documentation resources
Dell PowerEdge RAID Controller 11 User’s Guide PERC H755, H750, H355, and H350 Controller Series
Background initialization
Background initialization (BGI) is an automated process that writes parity or mirror data on newly created virtual disks. BGI does not run on RAID 0 virtual disks. You can control the BGI rate in the Dell OpenManage storage management application. Any change to the BGI rate does not take effect until the next BGI is performed.
NOTE:
- You cannot disable BGI permanently. If you cancel BGI, it automatically restarts within five minutes.
- Unlike full or fast initialization of virtual disks, background initialization does not clear data from the physical disks.
- Consistency Check (CC) and BGI typically cause some loss in performance until the operation completes.
- PERC H355 adapter SAS, PERC H355 front SAS, PERC H350 adapter SAS, and PERC H350 Mini Monolithic SAS background operations will not run until the operating system boots.
Consistency check and BGI perform similar functions in that they both correct parity errors. However, CC reports data inconsistencies through an event notification, while BGI does not. You can start CC manually, but not BGI.
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