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lugar
2013 Apr 16
2
UID/GID access control in Lustre
...which partner institutes are using to access our exported Lustre mounts.
However, we currently have no mechanism to control (guaranty) that the
reserved uid/gid space are used. We can control the access on IP based
firewall level
but not on a UID/GID level.
The kernel module reads input via /proc/lugac (Lustre User Group Access
Control), e.g.
echo "10.10.[1-10].[1-128]@tcp5 [100-200] [100-200]" > /proc/lugac
and stores this information within a c-struct which is stored as a node
in a linked-list.
The kernel module exports the function:
int allow_access_nugid(const char *const nid,...