Paul Fronberg wrote:
What does nfs_global_client_only do?
We've had to set this flag to get a kernel module (issuing a VOP_GETATTR) to
work
properly when accessing an NFS mounted partition in a non-global zone.
The kernel modure appears to be running in the global zone and is issuing a
cross-zone
request to an NFS mount in a non-global zone.
I haven't been able to find much documentation about this.
You got a great answer from James Carlson the other day.
It is an undocumented interface put there to support some
parts of system installation, and is in no way supported
for use under other circumstances. If you rely on this,
grief will come your way.
More broadly, zones are trying to be distinct operating
environments (which happen to share kernel resources).
It is not appropriate per design for a global zone
process to access a filesystem mounted in a non-global
zone. Why does your software+config require anything
like this to function?
Rob T
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