TABLE A-3UPS Error Messages

Event

E-Mail Subject: Text

SNMP Trap

LCD Panel

Log

 

 

 

 

 

Write-back cache

Controller Cache Disabled:

 

Cache

write-back cache

is disabled.

Either AC power or UPS is not charged

 

Disabled

for ctrl x disabled

 

completely.

 

 

 

 

Action: 1 - If AC power has failed,

 

 

 

 

restore system power. 2 - If after a long

 

 

 

 

time UPS is not charged completely,

 

 

 

 

check UPS.

 

 

 

 

Severity = Warning

 

 

 

Write-back cache

Controller Cache Enabled:

 

Cache

write-back cache

is enabled.

System AC power and UPS are reliable

 

Enabled

for ctlr n enabled

 

again. Write-back cache is enabled.

 

 

 

 

Severity = Notice

 

 

 

The UPS is

UPS shutdown:

 

 

!UPS: Shutting

shutting down.

The system is being shut down

 

 

down

 

because there is no AC power and the

 

 

 

 

UPS battery is depleted.

 

 

 

 

Severity = Critical

 

 

 

UPS Failure

UPS failure:

EnvUpsFail

U25 UPS

UPS:

 

Communication with the UPS unit has

 

failure

Communication

 

failed.

 

 

failure.

 

Action: 1. Check the serial cable

 

 

 

 

connecting the UPS unit to one of the

 

 

 

 

CPU enclosures, OR

 

 

 

 

2. Check the UPS unit and replace if

 

 

 

 

necessary.

 

 

 

 

Severity = Critical

 

 

 

 

 

 

 

 

Chapter 1 Troubleshooting Overview 1-23

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Image 41
Sun Microsystems 5310 NAS manual Controller Cache Disabled
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5310 NAS specifications

Sun Microsystems, known for its innovative computing solutions, launched the Sun 5310 Network Attached Storage (NAS) system, which marked a significant advancement in the realm of storage solutions in the early 2000s. The 5310 NAS was designed to provide high-performance, reliable, and scalable storage tailored for enterprise environments.

One of the standout features of the Sun 5310 NAS is its file-serving capabilities, which support multiple protocols, notably NFS (Network File System) and CIFS (Common Internet File System). This dual-protocol support allowed organizations to seamlessly integrate the NAS into diverse IT ecosystems, facilitating interoperability between UNIX, Linux, and Windows systems. The enhanced file-sharing capabilities made it an ideal solution for businesses with mixed operating environments.

The Sun 5310 NAS incorporates cutting-edge technologies to ensure high availability and data integrity. The system utilized a RAID (Redundant Array of Independent Disks) technology, providing various RAID levels to protect against data loss while optimizing performance. Additionally, the device featured hot-swappable drives, enabling maintenance and upgrades with minimal downtime, a crucial factor for business continuity.

Equipped with advanced management software, the Sun 5310 NAS offered users an intuitive interface for monitoring storage health and performance. This software included comprehensive reporting functionalities that allowed IT administrators to oversee usage patterns and capacity planning efficiently.

Scalability was another defining characteristic of the Sun 5310 NAS. The system could easily expand with additional storage modules, accommodating the growing needs of an organization without the necessity for complete system overhauls. This flexibility ensured that businesses could adapt their storage solutions to meet evolving data storage needs without incurring significant costs or disruptions.

In terms of performance, the Sun 5310 NAS featured high I/O throughput achieved through its robust hardware architecture and optimized file serving capabilities. This performance baseline was crucial for organizations that relied on heavy data workloads and required rapid access to information.

In summary, the Sun 5310 NAS from Sun Microsystems embodied a forward-thinking approach to network storage, blending reliability, scalability, and multi-protocol support. Its user-friendly management software, combined with the robustness of RAID technology and hot-swappable drives, made it a preferred choice for enterprises looking to streamline their storage infrastructure while safeguarding critical data.
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