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FUJITSU MAS3367 User Manual

Page 251

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5.2 INIT Error Recovery Methods (Recommended)

C141-E167

5 - 17

Table 5.3

Sense data error classification (4 of 4)

K*

C*

Q*

Error contents

L*

Recovery method

(See Table 4.4.)

B

03

xx

Peripheral device write fault

Need

12

11

xx

Unrecovered read error

13

xx

Sync byte not found for data field

14

xx

Record not found

15

xx

Mechanical positioning error

B

43

00

Message error

Need

6

45

80

Select/Reselect failure

47

00

SCSI parity error

48

00

INITIATOR DETECTED ERROR message received

49

00

Invalid message error

An unrecoverable SCSI related error occurred in
the command execution sequence.

B

4E

00

Overlapped commands attempted

None

2

Before execution of a command was completed, a
new command was issued by the same INIT.

4D

nn

Tagged overlapped commands

E

1D

00

Miscompare during verify operation

None

24

Data failed to match in the Byte check mode of the
Verify command.

*

K: Sense Key

C: Sense Code

Q: Sub-sense code

L: Logging Necessary? (shown in Section 5.2.3)

Table 5.4

Error recovery processing procedures (1 of 5)

Recovery

Method

Recovery Processing Procedure

0

It is not necessary to perform the error recovery processing. Continue processing.

1

Error recovery processing is impossible. Terminate processing.

2

This is a programming error and error recovery processing is impossible. Terminate
processing and correct the error in the system (INIT) programming.

3

This is an error in the SCSI protocol and error recovery processing is impossible. Terminate
processing and check the system's SCSI bus operation.

4

1)

Reissue the original command. (Retry)

2)

If the command is terminated with the same error when retried, perform recovery
method 3 or 1.

3)

If the command is terminated with a different error when retried, execute the recovery
processing procedure for that error.

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