- Notes, cautions, and warnings
- About the Shared PERC 8 card
- Shared PERC
8 card features
- Physical disk power management
- Consistency Checks
- Virtual disk initialization
- Physical disk roaming
- FastPath
- Virtual disk migration
- Virtual disk cache policies
- Physical disk write cache policy
- Fault tolerance
- Multipath support
- Deploying the Shared PERC 8 card
- Firmware and
driver installation
- Downloading drivers and firmware for Shared PERC 8 from the Dell support website for all operating systems
- Downloading drivers from the Dell Systems Service and Diagnostic Tools media for Windows
- Installing or updating Windows drivers for Shared PERC 8
- Installing or updating Linux drivers for Shared PERC 8
- Installing or updating VMware drivers for Shared PERC 8
- Firmware installation or update
- Multipath and clustering setup
- Management applications for Shared PERC 8 card
- Security key and RAID management
- Troubleshooting
- General issues
- Shared PERC 8 card not seen in Device Manager
- Critical errors or disk warning messages seen in the Windows Event log
- Shared PERC 8 cards fail to function
- Fatal error or data corruption reported
- EMM failure message seen after EMM firmware update
- Erratic drive LED behavior after EMM Firmware update
- Performance variations between write-back and write-through cache modes
- Physical disk
issues
- Physical disk in failed state
- Capable speed of a drive being shown as blank
- Physical disk displayed as Blocked by management application
- Multiple disks become inaccessible
- Rebuilding a Failed physical disk
- Foreign dedicated hot spare shown as global hot spare in CMC’s foreign configuration preview before foreign configuration import
- Physical disk takes a long time to rebuild
- SMART Errors
- Auto Replacement Member errors
- Virtual disks issues
- Driver issues
- Controller issues
- Hard drive indicator codes
- General issues
- Getting help
Dell Shared PowerEdge RAID Controller 8 Cards For Dell PowerEdge VRTX Systems User’s Guide
Background Initialization of virtual disks
Both Consistency Check (CC) and Background Initialization (BGI) correct parity errors. However, CC reports data inconsistencies through an event notification, whereas BGI is an automatic process.
BGI does not run on RAID 0 virtual disks. You cannot disable BGI permanently. If you cancel BGI, it automatically restarts within five minutes. Unlike Full or Fast Initialization of virtual disks, BGI does not clear data from the physical disks. CC and BGI typically cause some loss in performance until the operation completes.
- NOTE: In systems with Fault Tolerant Shared PERC 8 card configuration, in the event of controller failover, a BGI starts automatically on each virtual disk. If a BGI operation was in progress at the time of controller failover, then the BGI resumes on the new active Shared PERC 8 controller from the last recorded checkpoint.
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