Clustered filesystem for mix of trusted and untrusted nodes

Details Clustered filesystem for mix of trusted and untrusted nodes Clustered filesystem for mix of trusted and untrusted nodes

2003-04-16

2009-12-29

Lanier, Benjamin E (Department: 2432)

Information security

Access control or authentication

Authorization

C726S027000, C726S028000, C726S029000, C713S165000, C707S793000, C709S229000

Reexamination Certificate

active

07640582

ABSTRACT:
A cluster of computer system nodes share direct read/write access to storage devices via a storage area network using a cluster filesystem. At least one trusted metadata server assigns a mandatory access control label as an extended attribute of each filesystem object regardless of whether required by a client node accessing the filesystem object. The mandatory access control label indicates the sensitivity and integrity of the filesystem object and is used by the trusted metadata server(s) to control access to the filesystem object by all client nodes.

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