HP XP20000/XP24000 HP StorageWorks XP Disk Array Configuration Guide (T5278-96 - Page 144

Table 37 Emulation specifications Novell NetWare, Example

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Table 37 Emulation specifications (Novell NetWare) (continued) Emulation1 Category2 Product name3 Blocks Sector size (512 bytes) (bytes) # of cylinders Heads Sectors per track Capacity MB* 4 OPEN-V SCSI disk OPEN-V Footnote5 512 Footnote 6 15 128 Footnote7 CVS LUSE OPEN-3*n CVS SCSI disk OPEN-3*n-CVS Footnote5 512 Note 6 15 96 Note 7 OPEN-8*n CVS SCSI disk OPEN-8*n-CVS Footnote5 512 Note 6 15 96 Note 7 OPEN-9*n CVS SCSI disk OPEN-9*n-CVS Footnote5 512 Note 6 15 96 Note 7 OPEN-E*n CVS SCSI disk OPEN-E*n-CVS Footnote5 512 Note 6 15 96 Note 7 OPEN-V*n SCSI disk OPEN-V*n Footnote5 512 Note 6 15 128 Note 7 General notes: *Capacity = (512 x number of blocks) ÷ 10242 The value n is the number of volumes combined together. For example, with 8 combined volumes: OPEN-V*8. 1The availability of an emulation depends on the disk array. 2The devices are defined to the host as SCSI disk devices, even though the interface is Fibre Channel. 3The command device (used for RAID Manager) is distinguished by -CM on the product name (for example, OPEN-3-CM, OPEN-3-CVS-CM). 4The device capacity can sometimes be changed by the BIOS or host adapter board. This may make actual capacity different from that listed in the table. 5The number of blocks for a CVS volume is calculated as follows: # of blocks = (# of cylinders) × (# of heads) × (# of sectors per track) Example For an OPEN-3 CVS volume with capacity = 37 MB: # of blocks = (53 cylinders-see Note 5) × (15 heads) × (96 sectors per track) = 76320 Example For an OPEN-V CVS volume with capacity = 49 MB: # of blocks = (53 cylinders-see Note 5) × (15 heads) × (128 sectors per track) = 101760 6The number of cylinders for a CVS volume is calculated as follows ( ... should be rounded up to the next integer): means that the value OPEN-3/8/9/E: The number of cylinders for a CVS volume = # of cylinders = (capacity (MB) specified by user) × 1024/720 Example For an OPEN-3 CVS volume with capacity = 37 MB: # of cylinders = 37 × 1024/720 = 52.62 (rounded up to next integer) = 53 cylinders OPEN-V: The number of cylinders for a CVS volume = # of cylinders = (capacity (MB) specified by user) × 16/15 Example For an OPEN-V CVS volume with capacity = 49 MB: # of cylinders = 49 × 16/15 = 52.26 (rounded up to next integer) = 53 cylinders 144 Disk array supported emulations

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Table 37 Emulation specifications (Novell NetWare)
(continued)
Capacity
MB*
4
Sectors
per track
Heads
# of
cylinders
Sector size
(bytes)
Blocks
(512 bytes)
Product name
3
Category
2
Emulation
1
Footnote
7
128
15
Footnote
6
512
Footnote
5
OPEN-V
SCSI disk
OPEN-V
CVS LUSE
Note 7
96
15
Note 6
512
Footnote
5
OPEN-3*n-CVS
SCSI disk
OPEN-3*n CVS
Note 7
96
15
Note 6
512
Footnote
5
OPEN-8*n-CVS
SCSI disk
OPEN-8*n CVS
Note 7
96
15
Note 6
512
Footnote
5
OPEN-9*n-CVS
SCSI disk
OPEN-9*n CVS
Note 7
96
15
Note 6
512
Footnote
5
OPEN-E*n-CVS
SCSI disk
OPEN-E*n CVS
Note 7
128
15
Note 6
512
Footnote
5
OPEN-V*n
SCSI disk
OPEN-V*n
General notes:
*Capacity = (512 x number of blocks) ÷ 1024
2
The value
n
is the number of volumes combined together. For example, with 8 combined volumes:
OPEN-V*8.
1
The availability of an emulation depends on the disk array.
2
The devices are defined to the host as SCSI disk devices, even though the interface is Fibre
Channel.
3
The command device (used for RAID Manager) is distinguished by -CM on the product name (for
example, OPEN-3-CM, OPEN-3-CVS-CM).
4
The device capacity can sometimes be changed by the BIOS or host adapter board. This may
make actual capacity different from that listed in the table.
5
The number of blocks for a CVS volume is calculated as follows:
# of blocks = (# of cylinders) × (# of heads) × (# of sectors per track)
Example
For an OPEN-3 CVS volume with capacity = 37 MB:
# of blocks = (53 cylinders
–
see Note 5) × (15 heads) ×
(96 sectors per track) = 76320
Example
For an OPEN-V CVS volume with capacity = 49 MB:
# of blocks = (53 cylinders
–
see Note 5) × (15 heads) ×
(128 sectors per track) = 101760
6
The number of cylinders for a CVS volume is calculated as follows (
...
means that the value
should be rounded up to the next integer):
OPEN-3/8/9/E
: The number of cylinders for a CVS volume = # of cylinders =
(capacity (MB)
specified by user) × 1024/720
Example
For an OPEN-3 CVS volume with capacity = 37 MB:
# of cylinders =
37 × 1024/720
=
52.62
(rounded up to next integer) = 53 cylinders
OPEN-V
: The number of cylinders for a CVS volume = # of cylinders =
(capacity (MB) specified
by user) × 16/15
Example
For an OPEN-V CVS volume with capacity = 49 MB:
# of cylinders =
49 × 16/15
=
52.26
(rounded up to next integer) = 53 cylinders
144
Disk array supported emulations