Adaptec FS4500 - Hard Drive Array Manual de usuario descargar pdf (Pagina 19)

U.S.

Patent

Apr.

10,

2007

Sheet

16

0f

19

US

7,203,135

B2

READ

PROCESS

ACCEPT

READ

REQUEST

~S1701

|

ACQUIHE

EXISTENCE

OF

UPDATE

OF

TARGET

LBA

~

S1702

OF

TARGET

DRIVE

S1703

IS

THERE

ANY

UPDATE

?

WRITE

EXAMINATION

DATA

~S1704

INTO

CONTROL

BLOCK

OF

HEAD

IN

QUESTION

HEAD

DATA

WRITTEN

~S1705

IN

CONTROL

BLOCK

S1706

'

00

Two

PIECES

OF

DATA

COINCIDE

?

NO

YES

SET

"0"

IN

EXISTENCE

OF

INFORM

0F

DRIVE

FAILURE

~S1709

UPDATE

OF

HEAD

IN

~s1707

QUESTION

7

EXECUTE

READ

PROCESS

M31708

END

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