[Lustre-devel] security: MGS connection
eeb at sun.com
Thu Jun 5 17:20:55 PDT 2008
> > It's OK if the MGS will reject any connection attempt with insufficient
> > security. In that case, you could put the security in the mount option
> > and it should probably be an error to specify different levels of security
> > when talking to the same MGS.
> I guess there's misunderstanding. The problem is not on MGS, it's on
> MGC. Each node have only one MGC, thus only one ptlrpc connection to
> MGS, which is shared by _all_ Lustre components live on this node. So in
> case of mounting 2 OSTs on a single node, only one security flavor could
> be used.
Yes - I didn't make myself clear enough. I grok there is only 1 MGC and I
suggest we report an error if the MGC has already established a connection
with insufficient security for a subsequent mount because this reveals an
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