Oracle HSM: ACL Access Control Does Not Work Properly With a Group Count Greater Than 16

(Doc ID 2370599.1)

Last updated on MARCH 09, 2018

Applies to:

Oracle Hierarchical Storage Manager (HSM) and StorageTek QFS Software - Version 6.1 and later
Information in this document applies to any platform.

Symptoms

A customer running HSM 6.1.18 had a user who was accessing a SAM-QFS filesystem through SMB, shared out from a QFS client to a Windows client. That user belonging to 23 groups was randomly losing access to a directory (folder disappearing).  After reducing the number of groups to 15, the user started to have access to the directory.

After changing ACL access control 'ngroups_max=32' but with a group count greater than 16, they reported still seeing file access problems, seeing 'Permission denied' errors.

The following entries were seen in their /var/adm/messages file:

 

Changes

 

Cause

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