"David B. Ritch" dbritch@Home.com writes:

We are experiencing a repeatable problem when creating files with long filenames under Digital Unix 4.0 on a filesystem mounted from a NetApp filer. The files are not visible until the filesystem is remounted -

[...]

We have observed this bug only between a Digital Unix 4.0 (4.0A and 4.0D, at least) client an a NetApp server. We have tested Solaris 2.5 and 2.6 clients, Digital Unix, NetApp, Auspex, and Solaris servers.

I tested this right now, on a Digital Unix 4.0D client, mounting a F330/5.1R1, and I can't reproduce your problem. (mountopts are v3, rw, nosuid, udp, hard, intr)

Anyone have an idea what could cause this?

Sounds a bit like a caching/cache synchronization problem on the client.

Naturally, the first response from Digital is that it is likely to be a NetApp problem, and the first response from NetApp is that it is likely to be a Digital Unix problem. Any suggestions on how to determine where the problem lies?

If, as you say, the files are actually visible on a different client, then I'd suggest you do a snoop/tcpdump to try to see what the DU client asks for during the 'ls'.