HPSS Daily Usage

As of March 2003, SRUs are calculated in a new way.

1. A gigabyte is now considered to be 1024³ bytes rather than the one billion bytes used previously (1,073,741,824 rather than 1,000,000,000).
2. SRUs are computed daily rather than monthly.

For information on the SRU formula see NERSC HPSS Charging.

The daily or monthly HPSS user usage frame shows usage for a user or list of users.

For information on using the sort arrows and output options, see Sorting and Formatting Your Output.

The common columns displayed are:

Name

The user's name.

Org

The user's organizational affiliation.

UID

The user's NERSC ID number. There is one UID per login, but users with multiple logins may have more than one UID.

Login

The login name whose usage is listed.

Login Status

Whether the login name is active, restricted, disabled or deleted.

Begin Date

The begin date of this days' usage summary.

End Date

The end date of this days' usage summary.

Files

Number of files stored.

Space

GB of spaced used in the archive.

I/O

GB of I/O transferred.

SRUs Charged

The number of SRUs charged for this day or month. See above for how SRUs are calculated.

SRU Files

0.0000393 x number of files.

SRU Space

0.0131147 x GB of spaced used in the archive.

SRU I/O

4.0 x GB of I/O transferred.