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Troubleshooting
To get help with your Dell Shared PowerEdge RAID Controller Shared (PERC) 8 card, you can contact your Dell Technical Service representative or see dell.com/contactdell.
Performance variations between
Performance is highly variable across configurations, drive type, applications and IO workloads. The write performance of
Evaluate your needs for maximum I/O performance (a single Shared PERC 8 configuration) versus maximum data protection (a Fault Tolerant Shared PERC 8 configuration).
Shared PERC 8 Card Boots Into Safe Mode
In the event of some failure conditions encountered at boot, Shared PERC 8 boots with restricted capability in safe mode without user intervention. In such a condition Shared PERC 8 reports all configured disk drives as Foreign to the management application. The Dell Chassis Management Controller (CMC) displays events generated by the Shared PERC 8 card indicating the reason for booting into safe mode. The following table details the conditions and the corresponding event notifications that are reported to the CMC.
Table 2. Conditions and the Corresponding Event Notifications Reported to the CMC
Category | Event Reported To the CMC | Description of the | Corrective Action |
|
| Failure |
|
|
|
|
|
Pinned | Controller cache pinned | The Shared PERC 8 card | You can restore the |
Cache | for missing or offline | preserves dirty cache for | preserved cache to the |
| VDs: %s | a virtual disk that | virtual disk once the |
|
| transitioned to offline or | original drives are re- |
|
| was deleted due to | inserted and the foreign |
|
| missing physical disks. | configuration is imported. |
SAS | Controller booted to safe | This issue occurs if | Reseat and cable the |
Discovery | mode due to critical | expanders are not | expanders. |
| errors Critical Error | detected. |
|
| during boot - |
|
|
| expander FW or mfg image |
|
|
| is corrupted - reflash |
|
|
| image |
|
|
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