Seagate ST3390N Guía de instalación descargar pdf (Pagina 380)

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19-4 Common disk subsystem problems

Disk problems identified by SEERs

Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999

Disk problems identified by SEERs

Introduction

Disk problems are reported by the disk manager in a Class 66

SEER. The complete list of these SEERs can be found in

Meridian Mail Maintenance Messages (SEERs)

(NTP 555-7001-510). The purpose of this section is to

give further details about the most common SEERs.

Disk problem

A SEER in the form “6603/6605 Disk #> sense key: # error

code: # [block: #]” is produced when a disk reports a problem.

The sense key describes the general nature of the problem and is

not drive- or manufacturer-dependent. The error code describes

the exact problem but is often drive-dependent. There may be an

optional disk block number associated with the problem report.

Sense keys

Sense key 2 indicates that the disk is not ready to accept

commands. One possible cause is that the drive is not spinning

up. If this appears during regular operation, the disk should be

replaced.

Sense key 3 normally indicates a medium error. Disk controller

problems can also cause this sense key to appear. A block

number is provided with this problem report. Use the “scsi_util”

verify command to check that the block is indeed bad (a bad

block will cause an error message). If it is bad, reassign it. If no

bad block is found, replace the disk.

Sense key 4 indicates a disk hardware failure. Replace the disk

drive.

Sense key 5 indicates an invalid command was sent to the drive.

If this appears during regular operation, replace the disk drive

and contact Nortel Networks support.

Sense key 6 indicates the SCSI bus has been reset. If this

appears during regular operation, contact Nortel Networks

support.

Communication

problem

A SEER in the form “6604/6606 Disk #> driver error # ” is

produced when there is a problem communicating with a disk.

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Seagate ST3390N Guía de instalación Pagina 380

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