Open-V*N Vll-Luse Device Geometry Table (Example) - HP XP1024 System Configuration Manual

OPEN-V*n VLL-LUSE device geometry table (example)

Data Cylinders N22
# Partition Size N25
1
48
2 27305
3 10921
4 32767
N21 number of LUSE blocks is calculated as follows: N21 = N20 × (# of heads) ×
(# of sectors per track).
N22: N20 – 2, Use total cylinder - 2.
N23, N24: Use values in OPEN-x settings in
geometry table
N25: Use same value as N22.
50
Disk array supported emulations
Heads Blocks/
N23 Track N24
15
128
30 128
150 128
100 128
, and OPEN-3*n LUSE device geometry
Usable Blocks
(N22+2)*N23*N24
92160
104858880
209721600
419443200
Device type specifications
table.
Provided Blocks N21
45 MB volumes ↑ 45
× 16/15 ↑ = 48 48
× 15 × 128 = 92160
50 GB volumes ↑ 50
× 1024 × 16/15 ↑ =
54614 54614 × 15
× 128 = 104858880
10 GB × 10 volumes
↑ 10 × 1024 ×
16/15 ↑ × 10 =
109230 109230
× 15 × 128 =
209721600
20 GB × 10 volumes
↑20 × 1024 ×
16/15↑ × 10 =
218460 218460
× 15 × 128 =
419443200
, OPEN-x
Diff.
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