...

Properties of a User Account

each user account A User Account is attached to two different accounts, a bank account containing core hours. Both accounts, the user account and the bank account, share the same name but their purpose is different. The user account is the account of the Linux operation system and is used for authorization and access control incl. permissions to data files. The bank account is to limit the computing time.

...

for compute time and an account for the operation system.

Bank account and compute time

• Holding a User Account you are able to work on the compute systems at NHR@ZIB, and to expend compute time within the limitation of a Test Project. Such a Test Project (a personal account) holds a limited amount of computing time.
• With the User Account you have access to the accounts of all compute projects in which the user account is a member in.

...

Account for the operation system

containing core hours. Both accounts, the user account and the bank account, share the same name but their purpose is different. The user account is the account of the Linux operation system and is used for authorization and access control incl. permissions to data files. The bank account is to limit the computing time.

At the beginning of each quarter, the bank account is granted by 75.000 core hours during the lifetime of the user account. In reasonable and exceptional cases, the grant of the bank account can be extended to 300 k core hours per quarter. For that, please contact your consultant. At the end of each quarter all remaining core hours in the bank account are dropped.

Policies for a User Account

...