HP Surestore Disk Array 12h SGI IRIX Configuration Guide - Page 39

Disk Parameters

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B DISK PARAMETERS Table 1 through Table 5 (page 44) describe the parameter values used in the installation process. These tables are referenced from the installation procedure. Table 1. Value of Parameters for ddr_dbase Disk Type Tag Queue Depth OPEN-K/3/8/9/E Number of LUNs × queue depth ≤ 256 and queue depth ≤ 32 Table 2. Parameter Values of the OPEN-3 Disk Types Disk Type Parameter OPEN-3 OPEN-3*n (n=2 to 36) OPEN-3 CVS OPEN-3 CVS*n (n=2 to 36) ty Disk category Winchester Winchester Winchester Winchester dt Control type SCSI SCSI SCSI SCSI ns Sectors/tracks 96 96 96 96 nt Tracks/cylinder 15 15 15 15 nc Number of all cylinders 3,338 3,338*n Depends on Depends on configuration of CV1 configuration of CV3 rm Number of rotations of the disk 6,300 6,300 6,300 6,300 oa a partition offset Set optionally Set optionally Set optionally (Starting block in a partition) Set optionally ob b partition offset Set optionally Set optionally Set optionally (Starting block in b partition) Set optionally oc c partition offset 0 0 0 0 (Starting block in c partition) Continued 39

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39
B
DISK PARAMETERS
Table 1 through Table 5 (page 44) describe the parameter values used in the installation
process. These tables are referenced from the installation procedure.
Table 1.
Value of Parameters for ddr_dbase
Disk Type
Tag Queue Depth
OPEN-K/3/8/9/E
Number of LUNs
×
queue depth
≤
256 and queue depth
≤
32
Table 2.
Parameter Values of the OPEN-3 Disk Types
Disk Type
Parameter
OPEN-3
OPEN-3*
n
(
n
=2 to 36)
OPEN-3 CVS
OPEN-3 CVS*
n
(
n
=2
to 36)
ty
Disk category
Winchester
Winchester
Winchester
Winchester
dt
Control type
SCSI
SCSI
SCSI
SCSI
ns
Sectors/tracks
96
96
96
96
nt
Tracks/cylinder
15
15
15
15
nc
Number of all cylinders
3,338
3,338*
n
Depends on
configuration of CV
1
Depends on
configuration of CV
3
rm
Number of rotations of the disk
6,300
6,300
6,300
6,300
oa
a partition offset
(Starting block in a partition)
Set optionally
Set optionally
Set optionally
Set optionally
ob
b partition offset
(Starting block in b partition)
Set optionally
Set optionally
Set optionally
Set optionally
oc
c partition offset
(Starting block in c partition)
0
0
0
0
Continued