NStor Technologies CR8e, Disk Array Enclosure manual Common Scsi Bus Problems

Page 66

Troubleshooting

Symptom

Reason

Solution

 

 

 

 

 

 

Operator Control

Possible component failure.

From the Operator Control

Panel display

 

Panel, “Hardware Menu” from

indicates

 

the Main Menu and select

“Hardware Error.”

 

“Component Status.” Scroll

 

 

down through the list to locate

 

 

the failed component. Follow the

 

 

procedures in the Maintenance

 

 

chapter to replace the failed

 

 

component.

 

 

 

LED and audible

Power-on self-test failed.

From the Operator Control

alarms indicate

 

Panel, “Hardware Menu” from

the system failed

 

the Main Menu and select

the diagnostic test.

 

“POST Results.” Scroll down

 

 

through the list to locate the

 

 

failed component, see Power-On

 

 

Self Test on page 37.

 

 

 

Operator Control

Cooling fan failure.

From the Operator Control

Panel display

 

Panel, “Hardware Menu” from

indicates cabinet

 

the Main Menu and select

temperature

 

“Component Status.” Scroll

threshold has been

 

down through the list to locate

exceeded.

 

the failed component. Follow the

 

 

procedures in the Maintenance

 

 

chapter to replace the failed

 

 

component.

 

Temperature threshold too

Change the temperature

 

low.

threshold value, see Heat

 

 

Threshold on page 49.

 

Cooling fan vent blocked.

Examine the cooling fan vents

 

 

for blockage and clear.

 

Inadequate ventilation

The location chosen for the

 

around the CR8e.

CR8e probably has poor air

 

 

circulation. Choose a better

 

 

location.

 

 

 

Common SCSI Bus Problems

SCSI Bus problems can usually be attributed to cabling issues or faulty I/O Interface cards. Refer to the chart on the following page to review troublshooting and fault isolation procedures to assist you in identifying the suspect component.

54

Common SCSI Bus Problems

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Contents Page NStor Corporation, Inc Regulatory Information FCC Radio Frequency Interference StatementCompliance Information Statement Power Cord Selection Contents Troubleshooting InstallationUsing the CR8e MaintenanceGlossary Technical Information IndexContents Preface WelcomeFeatures Drive SupportWhere to Find Answers Registering Your ProductViii Getting Started CR8e Subsystem at a Glance FusePower Supply #1 Components Hot Swap Disk DrivesHot Swap Cooling Fans Hot Swap Power Supplies Power SwitchDoor Lock Power Cord Connector and Fuse Interface CardConfiguration Modules Controlling and Monitoring Operator Control PanelPower-On LED Status Indicator LEDsLEDs Status LEDs Activity LEDsAlarm Speaker Fault LEDsSAF-TE Card SAF-TE Card Installation SetupSystem Requirements GuidelinesRack-Mount Subsystem Assembly Rack-Mount Subsystem Assembly Component Installation Drive Label Upper left bay, four drive slots Installing the Third Power Supply Cabling Configuration GeneralCables Termination Ultra Wide Scsi Mode Dual-Bus EnclosureTOP Single-Bus Enclosure Installation Fast Wide Scsi Mode Single Dual-Bus EnclosureUltra Scsi Two Dual-Bus Enclosures Installation Bus Module installed Installation Two Single-Bus Enclosures Installation Dual-Bus Enclosure with Two Single-Bus Enclosures TOPInstallation Other Configurations Using the CR8e Notifications and Error ConditionsPower-On Self Test Firmware Error Conditions Scsi Bus Access FailureRAM Checksum Failure LED Descriptions SAF-TE LED MatrixOperator Control Panel Startup ScreensPower Supply Error Conditions Subsystem Status IconMain Menu Hardware MenuComponent Status Configuration InfoPost Results Internal Temp Options Menu Scsi ID MenuSET Upper Slot IDS SET Safte ID Lower Reset Default IDS Reset Default IDs Selection Heat Threshold Safte Chain ID Change Passcode Unlock Options Troubleshooting Common Enclosure ProblemsCommon Scsi Bus Problems Scsi Bus Symptom Probable Cause Solution Common Problems and Interpreting the LED Indications LED Status Reason SolutionMaintenance Replacing a Disk DriveReplacing a Power Supply Replacing a Power Supply Replacing the Cooling Fans Replacing an I/O Interface Card Replacing a Fuse Replacing the CR8e Cabinet Maintenance Glossary Glossary RAID SAF-TE Specifications Technical InformationConnectors CR8eSignal Name Pin Conductor Jumpers JP2 SCSI-to-SCSI Configuration JP3 SCSI-to-SCSI IDsJP4 Scsi ID Settings JP5 SCA Remote/Delay start Pins 1 Pins 3 Drive Spinup ModeJ15 FAN and J17 OEM FAN Index RAID SAF-TE Index

CR8e, Disk Array Enclosure specifications

NStor Technologies has long been recognized for its innovative storage solutions, and the CR8e Disk Array Enclosure is a prime example of this legacy. Designed to meet the growing demands of data storage in enterprise environments, the CR8e offers a robust and efficient platform for managing and securing critical data.

One of the standout features of the CR8e is its impressive capacity. Supporting up to eight 3.5-inch or 2.5-inch drive bays, it allows for flexibility in choosing the right drives, including SATA, SAS, and SSD options. This adaptability not only meets varying performance requirements but also ensures that organizations can tailor their storage solutions based on specific operational needs.

The CR8e is designed with redundancy in mind, featuring hot-swappable drive bays that enable users to replace drives without downtime, thus ensuring continuous operation. Additionally, its dual-redundant power supplies and cooling fans provide enhanced reliability. This feature is crucial for businesses that cannot afford interruptions, ensuring that their data remains secure and accessible at all times.

In terms of connectivity, the NStor CR8e supports multiple interface options, including both SAS and SATA, catering to different storage protocols and enhancing compatibility with existing systems. It is equipped with advanced RAID functionalities, supporting various RAID levels such as 0, 1, 5, and 6. This capability allows users to choose the most suitable data protection and performance strategy for their environment.

Management is made simple thanks to its user-friendly interface, which offers ease of configuration and monitoring. The enclosure also provides comprehensive diagnostic and reporting features, assisting administrators in maintaining optimal storage conditions and prolonging the lifespan of the equipment.

Furthermore, the CR8e is designed with scalability in mind. As data storage needs grow, organizations can easily expand their storage capacity by adding more enclosures. This feature allows businesses to future-proof their investments in storage technology.

NStor Technologies has incorporated cutting-edge technologies in the CR8e to ensure high-speed data transfer rates, reducing latency and enhancing overall system performance. The enclosure’s design emphasizes thermal efficiency, ensuring that the internal components are kept at optimal temperatures even during high-performance operations.

In summary, the NStor Technologies CR8e Disk Array Enclosure is a versatile and powerful solution for organizations seeking to enhance their data storage capabilities. With its robust features, excellent scalability, and emphasis on reliability, it stands out as an ideal choice for enterprises focused on safeguarding their data assets.