Method and apparatus for verifying data in a storage system

411 /$12 /913 /I/414 LooKfiGLDEwcE IJJN "STORAGE PCRT ID 5 CAPACHY ID A O0O1h 50QGb 5915 5 A’ ooozh‘ 300Gb 01h . 5 B OOO3h 1Tb 02h c 0OO4h I 1Tb 03h T

55

57

52

53

FIG. SC

OS CONTROL ‘ OS CONTROL INFORMATION INFORMATION __\,-\ LOGIOAL VOLUME LOGIOAL VOLUME j 56 // CONTROL INFORMATION CONTROL INFORMATION \,\ I 0* A 58 DATA DATA 54 DATA ' LOGIOAL DEVICE A‘ I l I LOGICAL DEVICE LOGICAL DEVICE "A ., "A. ..

i ___..i-i- --—--—- --i——-—i

,~

__.i.___--—_

O

<1‘
"° 1 v.LvcI
O‘) ___i___._
<1‘
‘° 255%”
I-I_LE)N3'l
VIVG

g _i____.__..1
(D SSEIHGGV

Z "IX/OIDO'I
(‘J
N _~__________
(.0

1 NITI
0")
" 1 EIGOOcIO
to I

FIG. SE