[SunHELP] Max user per group in Solaris 7 & 8?

Magnus Abrante sunhelp at sunhelp.org
Thu Feb 8 09:14:58 CST 2001


> I read from the latest Solaris FAQ it reads:
> 
> > *7.6) How can I have more than 16 groups per user?
> > 
> > The number of groups per user can be increased to at most 32:
> > 
> > set ngroups_max = 32
> > 
> > This setting may give rise to NFS interoperability problems, as typical NFS
> > servers only support 16 groups when using AUTH_SYS/AUTH_UNIX.
> > 
> > The other NFS authentication mechanisms map "netids" to usernames
> > on the servers and can support more than 16 groups.
> 
> But referring to document, 806-4015.pdf, Solaris Tunable Parameters
> Reference Manual, I can't seem to find that parameter anymore... So what's
> the story, anyone know?

There is a kernel tunable called ngroups_max, which can be set to a
maximum of 32, but as the FAQ tells us it will cause problems with NFS,
since NFS uses RPC and RPC has a default of 16 groups / user.

	//Magnus Abrante
/* This is my opinion and not the one of my empolyer */




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