SCSI Description

￿￿￿￿￿￿￿￿4GCFThe￿9TKVGRead￿'TTQT-Write￿4GEQXGT[Error Recovery￿2CIG￿￿￿￿pageJ￿controls the drive’s response to error conditions that arise during the course of READ (6), READ (10), WRITE (6), WRITE (10) command processing and during the write portion of WRITE AND VERIFY command processing. The Read-Write Error Recovery page format and field descriptions are described in Table 5-64and Table 5-65respectively.

Read-Write Error Recovery Page-(Page 1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

PS

 

Rsvd

 

 

 

 

Page Code (01h)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

Page Length (0Ah)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

AWRE

ARRE

 

TB

 

RC

EER

 

PER

DTE

DCR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

Read Retry Count

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Correction Span

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

Head Offset Count

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

Data Strobe Offset Count

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

Write Retry Count

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

Reserved

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 –

 

 

 

 

 

 

 

 

Recovery Time Limit

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table

5-64

 

 

 

 

 

 

 

 

 

 

$[VG$KV

 

 

￿

￿￿Read-Write Error ￿Recovery Page￿-(Page 1)￿

￿

￿

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parameters Savable. This bit is only used with the MODE SENSE command.

(KGNFPS

 

&GHCWNV8CNWG1 ￿

A returned value of 1 indicates that&GUETKRVKQPthe target is capable of saving the page

 

 

 

 

 

 

in a non-volatile, vendor-specific location. The bit is reserved with the

 

 

 

 

 

 

MODE SELECT command

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Automatic Write Reallocation Enable. When the value is 1, it causes the

 

 

 

 

 

 

drive to automatically reallocate bad sectors encountered during a write op-

 

 

 

 

 

 

eration. If it succeeds in replacing the bad sector, the drive adds the revec-

AWRE

 

 

1

 

tored sector’s Logical Block Number to the Grown Defect List. Reallocation

 

 

 

is done only when the drive is able to recover the sector’s data unless the

 

 

 

 

 

 

 

 

 

 

 

 

HrdBBR bit of the Maxtor (Vendor) Special Function Control Page is set.

 

 

 

 

 

 

When AWRE is 0, the drive does not automatically reallocate bad sectors

 

 

 

 

 

 

encountered during a write operation. See also Maxtor-Unique Page 39h.

 

 

 

 

 

 

 

 

 

 

 

 

 

Automatic Read Reallocation Enable. When the value is 1, it causes the

 

 

 

 

 

 

drive to automatically reallocate bad sectors encountered during a read op-

 

 

 

 

 

 

eration. If it succeeds in replacing the bad sector, the drive adds the revec-

 

 

 

 

 

 

tored sector’s Logical Block Number to the Grown Defect List. Reallocation

 

 

 

 

 

 

is done only when the drive is able to recover the sector’s data unless the

ARRE

 

 

1

 

Reallocate Uncorrected Errors bit of the Maxtor (Vendor) Special Function

 

 

 

 

 

 

Control Page is set.

 

 

 

 

 

 

 

 

 

 

 

 

 

When ARRE is 0, the drive does not automatically reallocate bad sectors en-

 

 

 

 

 

Tablecountered5-65

during a read operation. See also Maxtor-Unique Page 39h

 

 

 

 

 

 

(RUEE).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transfer Block. When the value is 1, the drive sends best-guess information

 

 

 

 

 

 

to the initiator when it encounters a defective sector whose data cannot be

TB

 

 

0

 

fully recovered.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When the value is 0, data that cannot be fully recovered is not returned to

 

 

 

 

 

 

the initiator.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5-48 Maxtor Atlas 10K III

Page 112
Image 112
Maxtor 10K III manual Tablecountered5-65, Read-Write Error Recovery Page-Page, Awre, Eer Per, Ruee