Dell PowerVault NX3600 - Manual (Page 81)

NFS Access Denied To A File Or Directory
Description User cannot access the NFS file or directory despite the
fact that the user belongs to the group owning the NFS
object and the group members are permitted to perform
the operation.
Cause NFS servers (versions 2 and 3) use the Remote Procedure
Call (RPC) protocol for authentication of NFS clients. Most
RPC clients have a limitation, by design, of up to 16 groups
passed to the NFS server. If a user belongs to more than
16 UNIX groups, as supported by some UNIX flavors, some
of the groups are not passed and are not checked by the
NFS server and thus the user's access may be denied.
Workaround A possible way to verify this problem is to use newgrp to
temporarily change the primary group of the user and thus
ensure it is passed to the server.
The simple workaround, although not always feasible, is to
remove the user from unnecessary groups, leaving only 16
groups or less.
Troubleshooting Replication Issues
Replication Configuration Error
Description Replication between the source and destination NAS
volumes fails because the source and destination
systems’ topologies are incompatible.
Cause The source and destination systems are incompatible for
replication purposes.
Workaround Upgrade the NAS cluster solution which is down. Verify
the source and destination, both the source and
destination have the same number of NAS controllers.
NOTE: You cannot replicate between a 4 node NAS
cluster and 2 node NAS cluster.
Replication Destination Cluster Is Busy
Description Replication between the source NAS volume and the
destination NAS volume fails because the destination
cluster is not available to serve the required replication.
Cause Replication task fails because the destination cluster is
not available to serve the required replication.
Workaround Administrators must verify the replication status on
destination system.
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