Hitachi Dynamic Link Manager Software Users Guide for Linux

Conventions for storage capacity values
Physical storage capacity values (for example, disk drive capacity) are
calculated based on the following values:
Physical capacity unit Value
1 kilobyte (KB)
1,000 (10
3
) bytes
1 megabyte (MB)
1,000 KB or 1,000
2
bytes
1 gigabyte (GB)
1,000 MB or 1,000
3
bytes
1 terabyte (TB)
1,000 GB or 1,000
4
bytes
1 petabyte (PB)
1,000 TB or 1,000
5
bytes
1 exabyte (EB)
1,000 PB or 1,000
6
bytes
Logical storage capacity values (for example, logical device capacity) are
calculated based on the following values:
Logical capacity unit Value
1 block 512 bytes
1 KB
1,024 (2
10
) bytes
1 MB
1,024 KB or 1,024
2
bytes
1 GB
1,024 MB or 1,024
3
bytes
1 TB
1,024 GB or 1,024
4
bytes
1 PB
1,024 TB or 1,024
5
bytes
1 EB
1,024 PB or 1,024
6
bytes
Accessing product documentation
The HDLM user documentation is available on the Hitachi Data Systems
Portal: https://portal.hds.com. Check this site for the most current
documentation, including important updates that may have been made after
the release of the product.
Getting help
Hitachi Data Systems Support Portal is the destination for technical support of
your current or previously-sold storage systems, midrange and enterprise
servers, and combined solution offerings. The Hitachi Data Systems customer
support staff is available 24 hours a day, seven days a week. If you need
technical support, log on to the Hitachi Data Systems Support Portal for
contact information:
https://portal.hds.com.
Preface
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Hitachi Dynamic Link Manager (for Linux®) User Guide