HP XP Data Shredder Software - Manual (Page 13)

NOTE:
◦ The value enclosed in two upward arrows ( ) must be rounded up to the nearest whole
number.
◦ The user area capacity is expressed in kilobytes
◦ The boundary value is expressed in kilobytes. The boundary value depends on the volume
emulation types and RAID levels (see
“Boundary Value for Each RAID Level” (page 17) ).
If the data protection level is set to the enhanced mode on a SATA drive, the boundary
value depends on the volume emulation types and RAID levels (see
“Boundary Value for
Each RAID Level (Data Protection Level is Set to Enhanced Mode on SATA Drive)”
(page 17)
).
•
If the unit for CV capacity is Cyl (cylinders):
To calculate the user area capacity of a CV, use the following formula. The resulting user area
capacity is expressed in kilobytes.
user-specified-CV-capacity Ч 64 Ч 15
NOTE: The user-specified CV capacity is expressed in cylinders.
To calculate the entire capacity of a CV, use the following formula. The resulting entire capacity
is expressed in megabytes.
user-area-capacity ÷ boundary-value × boundary-value ÷ 1024
NOTE:
◦ The value enclosed in two upward arrows ( ) must be rounded up to the nearest whole
number.
◦ The user area capacity is expressed in kilobytes.
◦ The boundary value is expressed in kilobytes. The boundary value depends on the volume
emulation types and RAID levels (see
“Boundary Value for Each RAID Level” (page 17) ).
If the data protection level is set to the enhanced mode on a SATA drive, the boundary
value depends on the volume emulation types and RAID levels (see
“Boundary Value for
Each RAID Level (Data Protection Level is Set to Enhanced Mode on SATA Drive)”
(page 17)
).
•
If the unit for CV capacity is block:
To calculate the user area capacity of a CV, use the following formula. The resulting user area
capacity is expressed in kilobytes.
user-specified-CV-capacity ÷ 2
NOTE:
◦ The value enclosed in two upward arrows ( ) must be rounded up to the nearest whole
number.
◦ The user-specified CV capacity is expressed in blocks.
To calculate the entire capacity of a CV, use the following formula. The resulting entire capacity
is expressed in blocks. To convert the resulting entire capacity into megabytes, divide this
capacity by 2,048.
user-specified-CV-capacity ÷ (boundary-value Ч 2) Ч (boundary-value × 2)
Overview of Virtual LVI/LUN 13