Conventions For Storage Capacity Values - Hitachi SVP F 00 Series Manual

Conventions for storage capacity values

Physical storage capacity values (for example, disk drive capacity) are calculated based
on the following values:
Physical capacity unit
1 kilobyte (KB)
1 megabyte (MB)
1 gigabyte (GB)
1 terabyte (TB)
1 petabyte (PB)
1 exabyte (EB)
Logical capacity values (for example, logical device capacity, cache memory capacity) are
calculated based on the following values:
1 block
1 cylinder
1 KB
1 MB
1 GB
1 TB
1 PB
1 EB
Logical capacity unit
Service Processor Technical Reference
Conventions for storage capacity values
3
1,000 (10 ) bytes
1,000 KB or 1,000
1,000 MB or 1,000
1,000 GB or 1,000
1,000 TB or 1,000
1,000 PB or 1,000
512 bytes
Mainframe: 870 KB
Open-systems:
OPEN-V: 960 KB
■
Others: 720 KB
■
10
1,024 (2 ) bytes
1,024 KB or 1,024
1,024 MB or 1,024
1,024 GB or 1,024
1,024 TB or 1,024
1,024 PB or 1,024
Preface
Value
2
bytes
3
bytes
4
bytes
5
bytes
6
bytes
Value
2
bytes
3
bytes
4
bytes
5
bytes
6
bytes
11