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Chapter 17.  ACLs in dCache

Irina Kozlova

Paul Millar

Starting with the 1.9.3 series, dCache includes support for Access Control Lists (ACLs). This support is conforming to the NFS version 4 Protocol specification.

This chapter provides some background information and details on configuring dCache to use ACLs and how to administer the resulting system.

ACLs and pnfs

ACLs are only supported with the Chimera name space backend. Versions before 1.9.12 had partial support for ACLs with the pnfs backend, however due to the limitations of that implementation ACLs were practically useless with pnfs.