Disk array controller and standard controller on
internal drives
The standard SCSI controller controls the accessible SCSI drives.
The disk array controller controls the hard disk drives. All three SCSI channels are
led to the hard disk carriers via the SCSI platter.
C D - R O M
s e c o n d
a c c e s s i b l e
S C S I d r i v e
t h i r d
a c c e s s i b l e
S C S I d r i v e
f o u r t h
a c c e s s i b l e
S C S I d r i v e
c h a n n e l 0
s t a n d a r d c o n t r o l l e r
Cabling of disk array controller and standard SCSI controller
A26361-K412-Z107-3-7619
S C S I I D 1
S C S I I D 4
S C S I I D 2
C h a n n e l 0
S C S I I D 0
S C S I I D 3
S C S I I D 6
S C S I p l a t t e r
c h a n n e l 2
c h a n n e l 1
d i s k a r r a y c o n t r o l l e r
Boards and cabling
c o n t r o l p a n e l
c h a n n e l 0
c h a n n e l 0
c h a n n e l 1
77