HP StorageWorks XP Performance Control user guide: HP XP12000 Disk Array, HP XP10000 Disk Array (T1605-96012, July 2009)

28 Support and other resources

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Conventions for Storage Capacity Values

HP XP storage systems use the following values to calculate physical storage capacity values (hard disk

drives):

• 1 KB (kilobyte) =1,000 bytes

• 1 MB (megabyte) = 1,000

bytes

• 1 GB (gigabyte) = 1,000

bytes

• 1 TB (terabyte) = 1,000

bytes

• 1 PB (petabyte) = 1,000

bytes

HP XP storage systems use the following values to calculate logical storage capacity values (logical

devices):

• 1 KB (kilobyte) =1,024 bytes

• 1 MB (megabyte) = 1,024

bytes

• 1 GB (gigabyte) = 1,024

bytes

• 1 TB (terabyte) = 1,024

bytes

• 1 PB (petabyte) = 1,024

bytes

• 1 block = 512 bytes

HP technical support

For worldwide technical support information, see the HP support website:

http://www.hp.com/support/

Collect the following information before calling:

• Product model names and numbers

• Technical support registration number (if applicable)

• Product serial numbers

• Error messages

• Operating system type and revision level

• Detailed questions

Subscription service

HP recommends that you register your product at the Subscriber’s Choice for Business website:

http://www.hp.com/go/e-updates

After registering, you will receive e-mail notification of product enhancements, new driver versions,

firmware updates, and other product resources.

HP websites

For additional information, see the following HP websites:

• http://www.hp.com