With NFSv4.1 there are indirect hints to mount/umount: create and destroy session. Tigran. ----- Original Message ----- > From: "J. Bruce Fields" <bfields@xxxxxxxxxxxx> > To: "Frank Steiner" <fsteiner-mail1@xxxxxxxxxxxxxx> > Cc: linux-nfs@xxxxxxxxxxxxxxx > Sent: Tuesday, July 21, 2015 6:03:38 PM > Subject: Re: Are there really no server-side mount/umount message for NFSv4? > On Tue, Jul 21, 2015 at 03:57:26PM +0200, Frank Steiner wrote: >> we are missing the "authenticated u/mount request..." messages or >> error messages like "refused mount request from /x (/): not exported" >> for NFSv4 servers. We were using the mount/umount messages e.g. to >> detect when some reached a certain point of an installation etc. >> And the error messages on the server side often were more helpful >> than the ones on the client. >> >> Is there really no way to get these easy-to-understand messages? >> Debugging shows a lot but nothing that e.g. gives an understandable >> error reason. > > There aren't any mount or umount calls in the NFSv4 protocol. > > (For example, an NFSv4 server typically wouldn't have any way to tell > the difference between a client that has unmounted and one that just > isn't using the filesystem right now.) > > If you could describe in more detail your use case, someone might be > able to suggest a different solution. Or it might influence what sort > of information the nfs server exports to users in the future. > > --b. > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html