Product manual

Chapter 5: Management with the CLU
215
Managing the RAID Controllers
RAID controller management includes the following functions:
• Viewing Controller Information (page 215)
• Clearing an Orphan Watermark (page 215)
• Making Controller Settings (page 216)
• Locating the Controller (page 217)
Viewing Controller Information
Controller Management includes information, settings and statistics.
To access Controller Management:
1. From the Main Menu, highlight Subsystem Management and press Enter.
2. Highlight Controller Management and press Enter.
The Controller summary information includes:
• Controller ID – 1 or 2
• Alias – if assigned
• Operational Status – OK means normal. Might show BGA running. Not
present indicates a malfunction or no controller is installed
• Readiness Status – Active or Standby is normal. N/A means not
accessible
3. Highlight the controller you want and press Enter.
To access additional controller information, highlight Advanced Information and
press Enter.
To access controller statistics, highlight Controller Statistics and press Enter.
Clearing Statistics
To clear controller statistics, see “Clearing Statistics” on page 305.
Clearing an Orphan Watermark
This condition is the result of a disk drive failure during an NVRAM RAID level
migration on a disk array.
To clear an orphan watermark:
1. From the Main Menu, highlight Subsystem Management and press Enter.
2. Highlight Controller Management and press Enter.
3. Highlight one of the controllers and press Enter.
4. Highlight Clear Orphan Watermark and press Enter.