[lustre-discuss] Disable identity_upcall and ACL

[Degremont, Aurelien]

Hello all,

When disabling identity_upcall on a MDT, you get this message in system logs:

  lustre-MDT0000: disable "identity_upcall" with ACL enabled maybe cause unexpected "EACCESS"

I’m trying to understand what could be a scenario that shows this problem?
What is the implication, or rather, how identity_upcall works?

Thanks for your help

Aurélien

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