Controller drive port (host) events

Controller Port Loop Event

Description

Cause

Action

Messages

 

 

 

 

 

 

 

CC to Host ID:xxx LUN:yyy

This indicates that an

Data is not

Backup all data,

Pz OP:aa SN:bb EXT:cc

unrecoverable drive error

recoverable.

and restore to a

QL:dd

has occurred for a particular

 

new array.

 

command. This may be due

 

 

 

to a drive error in a non fault

 

 

 

tolerant mode, such as RAID

 

 

 

0, or when the array is

 

 

 

already in a degraded mode.

 

 

 

The controller will pass the

 

 

 

status from the drive back to

 

 

 

the host system, to allow the

 

 

 

host recovery mechanisms

 

 

 

to be used. The meaning of

 

 

 

each field is as follows:

 

 

 

ID: Host ID

 

 

 

LUN: LUN requested

 

 

 

P: Host port number

 

 

 

OP: SCSI command code

 

 

 

SN: SCSI sense key

 

 

 

EXT: SCSI extended sense

 

 

 

key

 

 

 

QL: SCSI extended sense

 

 

 

key qualifier

 

 

 

 

 

 

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