Users Guide
Memory errors
Memory errors can corrupt cached data, so the controllers are designed to detect and attempt to recover from the memory errors. Single-
bit memory errors can be handled by the controller and do not disrupt normal operation. A notication is sent if the number of single-bit
errors exceeds a threshold value.
Multi-bit errors are more serious as they result in corrupted data and data loss. The following are the actions that occur in the case of multi-
bit errors:
• If a multi-bit error occurs while accessing data in the cache when the controller is started with dirty cache, the controller discards the
cache contents. The controller generates a warning message to the system console to indicate that the cache was discarded and
generates an event.
• If a multi-bit error occurs at run-time either in code/data or in the cache, the controller stops.
• The controller logs an event to the controller’s internal event log and a message during POST is displayed indicating a multi-bit error has
occurred.
NOTE: In case of a multi-bit error, contact Global Technical Support.
Preserved Cache State
The controller preserves the dirty cache from a virtual disk if the virtual disk becomes oine 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 Conguration 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.
Security key errors
Secured foreign import errors
A foreign conguration is a RAID conguration that already exists on a replacement physical disk that you install in a system. A secured
foreign conguration is a RAID conguration that was created under a dierent security key.
There are two scenarios in which a secured foreign import fails:
• The passphrase authentication fails—A virtual disk secured with a security key dierent from the current controller security key
cannot be imported without authentication of the original passphrase used to secure them. Supply the correct passphrase to import
the secured foreign conguration. If you have lost or forgotten the passphrase, the secured foreign disks remain locked (inaccessible)
until the appropriate passphrase is entered or if they are erased.
• The secured virtual disk is in an oine state after supplying the correct passphrase—You must check to determine why the virtual
disk failed and correct the problem.
Failure to select or congure non Self-Encrypting Disks (non-
SED)
A virtual disk can be either secured or unsecured depending on how it was congured when created. In order to create a secured virtual
disk, the controller must have a security key present and must contain SEDs only. In order to select/congure non-SED, you must create an
unsecured virtual disk. You can create an unsecured virtual disk even if there is a security key. Select the Secure VD option as No in the
Create New VD menu. For steps on how to create an unsecured virtual disk, see Creating virtual disks.
Troubleshooting
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