On Thu, 21-Jan-1999 at 10:54:36 -0500, David E. Cross wrote:
> I posted this awhile ago to -questions, but never received a reply.
>
> We have a number of FreeBSD NFS servers here. Occasionally we need to
> change the exports list on the servers and send mountd a SIGHUP. This
> leads to a condition that in many ways is much worse than a server reboot.
>
> What happens is for the duration of mountd reading the exports file it denies
> all NFS requests. This has a number of bad effects; 1) any user home and
> system directories become unavailable, with the error 'permission denied' 2)
> (and this is far worse), any process with a mapped .text segment off of the
> NFS server, should it branch to code not in the cache gets immediately killed.
> This include user processes that are running from home directories, and system
> processes (such as ssh). If we were to reboot the machine it would just
> hang those connections until the machine came back, without killing anyone.
>
> Is there a solution to this problem? I know that none of HP-UX, IRIX, or
> Solaris have this problem.
Please, please, if anyone knows a solution for this, drop me a note also...
Thanks,
-Andre
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