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To recover a virtual disk from a degraded state, you must replace the failed physical disk and rebuild it. Once the rebuilding process is complete, the virtual disk state changes from degraded to optimal. For information on rebuilding the disk, see the topic Performing A Manual Rebuild Of An Individual Physical Disk.
Memory Errors
Memory errors can corrupt cached data, so the controllers are designed to detect and attempt to recover from the memory errors.
•If a
•If a
•The controller logs an event to the controller’s internal event log and a message during POST is displayed indicating a
NOTE: In case of a
Preserved Cache State
The controller preserves the dirty cache from a virtual disk if the virtual disk becomes offline or is deleted because of missing physical disks. This preserved dirty cache is called pinned cache and is preserved until you import the virtual disk or discard the cache.
Use the BIOS Configuration Utility (<Ctrl> <R>) to select whether to import the virtual disk or discard the preserved cache. In the VD Mgmt menu, select Manage Preserved Cache and follow the steps on the screen.
General Issues
PERC Card Has Yellow Bang In Device Manager
Issue: | The device is displayed in Device Manager but has a yellow bang (exclamation mark). |
Corrective | Reinstall the driver. For more information on reinstalling drivers, see the topic Driver |
Action: | Installation. |
PERC Card Not Seen In Device Manager | |
Issue: | The device does not appear in the Device Manager. |
Correction: | Turn off the system and reseat the controller. |
| For more information see, Installing The PERC Controller. |
No Hard Drives Found Error Message During Microsoft Windows Server 2003 Installation
Issue: | No Hard Drives Found message is displayed during a |
| Microsoft Windows Server 2003. |
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