3-48Diagnostic Tools

DAAD Diagnostic Messages continued

Message

Description

Recommended Action

Accelerator

During reset initialization obsolete

Nothing needs to be done. The controller

status:

data was found in the cache. This

will either write the data to the drivers or

Obsolete data

was due to the drives being moved

discard the data completely. Normal

sensed at

and written to by another

operations should continue.

reset

controller.

 

 

 

 

Accelerator

During reset initialization obsolete

If newer data was overwritten, you may

status:

data was found in the cache. The

need to restore newer data; otherwise,

Obsolete data

obsolete data was written to the

nothing needs to be done. Normal

was written to

drives, but newer data may have

operations should continue.

drives

been overwritten.

 

 

 

 

Accelerator

During reset initialization obsolete

Nothing needs to be done. Normal

status:

data was found in the cache and it

operations

Obsolete data

was discarded (not written to the

should continue.

was discarded

drives).

 

 

 

 

Accelerator

At least one cache line contains

Fix the problem with the drive(s). Then the

status: Dirty

dirty data that the controller has

controller will be able to write the dirty data

data detected.

been unable to flush (write) to the

to the drives.

Unable to write

drives. This problem usually occurs

 

dirty data to

when there is a problem with the

 

drives

drive(s).

 

 

 

 

Accelerator

The number of cache lines

status: Dirty

containing dirty data that cannot be

data detected

flushed (written) to the drives has

has reached

reached a preset limit. The cache

limit. Cache

is still enabled, but writes are no

still enabled,

longer being posted. This problem

but writes no

usually occurs when there is a

longer being

problem with

posted

the drive(s).

Fix the problem with the drive(s). Then the controller will be able to write the dirty data to the drives and posted write operations will be restored.

Accelerator

At least on line in the cache is no

status:

longer in use due to excessive

Excessive

ECC errors detected during use of

ECC errors

the memory associated with that

detected in at

cache line.

least one

 

cache line. As

 

a result, at

 

least on cache

 

line is no

 

longer in use.

 

Replacement of the cache should be considered. If cache replacement is not done the remaining cache lines should continue to operate properly.

Accelerator

Data in the cache was lost, but not

status: Data in

because of the battery being

the cache was

 

Check to be sure that the array accelerator is properly seated. If the error continues you may need to replace the array

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Compaq 1850R manual Daad Diagnostic Messages

1850R specifications

The Compaq 1850R, introduced in the late 1990s, is a robust and versatile server known for its reliability and performance. This rack-mounted server was designed to cater to the evolving needs of businesses that required high availability and scalability in their IT infrastructure.

At the core of the Compaq 1850R is its support for dual Intel Pentium III processors. This dual-processor configuration provides enhanced multitasking capabilities, allowing the server to handle more simultaneous processes effectively. With a clock speed of up to 1 GHz, businesses could run demanding applications and services with improved speed and efficiency.

One of the standout features of the Compaq 1850R is its impressive memory capacity. The server supports up to 8GB of SDRAM, which allows it to manage larger datasets and facilitate better performance for memory-intensive applications. This makes the 1850R an ideal choice for database management and enterprise resource planning.

Storage options are another highlight of the Compaq 1850R. The server can accommodate multiple hot-swappable hard drive bays, supporting both SCSI and IDE drives. This flexibility allows organizations to scale their storage needs as their data requirements grow. The ability to add or replace drives without downtime is a significant advantage for maintaining high availability environments.

In terms of networking, the Compaq 1850R features integrated Ethernet ports for reliable network connectivity. The server also supports advanced RAID configurations, which enhances data protection and improves performance by distributing I/O across multiple drives. This feature is particularly important for businesses that rely heavily on data integrity and availability.

The design of the 1850R is optimized for rack mounting, a standard for enterprise environments looking to maximize space and efficiency. Its compact form factor fits seamlessly into standard 19-inch racks, making it suitable for various server rooms and data centers.

Overall, the Compaq 1850R is a powerful server that combines solid processing capability, extensive memory support, and flexible storage options. It remains a valuable asset for organizations seeking to build a reliable and scalable IT infrastructure. As businesses continue to demand efficiency and performance from their servers, the 1850R stands as a testament to Compaq's commitment to quality and innovation in the tech industry.