Convention For Storage Capacity Values; Accessing Product Documentation; Getting Help - Hitachi Unified Storage VM Product Overview Manual

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Convention for storage capacity values

Physical and logical storage capacities of disk drives in Hitachi Data Systems
storage products are calculated based on the following values:
1 KB = 1,000 bytes
1 MB = 1,000
1 GB = 1,0003 bytes
Logical storage capacity values (logical device capacity) are calculated
based on the following values:
1 KB (kilobyte) = 1,024 bytes (2
1 MB (megabyte) = 1,024
1 GB (gigabyte) = 1,024

Accessing product documentation

The Unified Storage VM user documentation is available on the Hitachi Data
Systems Support 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

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:
Portal.HDS.com
x
Meaning
Important Information that is essential to the completion of a task.
Caution Failure to take a specified action can result in adverse
conditions or consequences such as damage to the software
or hardware
WARNING Failure to take a specified action can result in severe
conditions or consequences such as in loss of data or serious
damage to hardware.
ELECTRIC Failure to take appropriate precautions such as not opening
SHOCK or touching hazardous areas of the equipment could result
HAZARD in injury or death.
Physical Disk Capacity
2
bytes
Logical Disk Capacity (1 block= 512 bytes)
10
2
bytes
3
bytes
Preface
Hitachi Unified Storage VM Product Overview Guide
Description
4
1 TB = 1,000
5
1 PB = 1,000
6
1 EB = 1,000
) 1 TB (terabyte) = 1,024
1 PB (petabyte) = 1,024
1 EB (exabyte) = 1,024
bytes
bytes
bytes
4
bytes
5
bytes
6
bytes
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