Description of problem: The conclusion of BZ 678544 was that if one has read and write accesses over NFS3 from multiple clients on the same files and wants to avoid random stale NFS handles, one only has the following options: 1. mount -o sync 2. mount -o lookupcache=none 3. mount -o acdirmin=2 These options qualify as workarounds in my opinion. 1 and 2 have horrible performance and 3 is absolutely not obvious to any sysadmin who has not read and understood the NFS client kernel source code. The best in my opinion would be to revisit that part of the client code and reconsider the optimization. Making acdirmin=2 the default could also qualify as a solution. If that is not possible I request that the documentation of mount.nfs(8) or nfs(5) is updated to reflect the choice an administrator has to make when mounting an NFS share. Version-Release number of selected component (if applicable): kernel-PAE-2.6.38-1.fc15.i686 nfs-utils-1.2.3-10.fc15.i686 How reproducible: Always on F15 alpha, F14 or EL6. Always with F15 alpha as server and client.
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