> -----Original Message----- > From: Bian Naimeng [mailto:biannm@xxxxxxxxxxxxxx] > Sent: Tuesday, September 07, 2010 1:18 PM > To: Tayade, Nilesh > Cc: linux-nfs@xxxxxxxxxxxxxxx > Subject: Re: Query regarding NFS packet capture at application layer > - umount operation. > > > Could someone please explain why there is no NFS packet observed > during > > an unmount? Also there seems not much information, related to NFS > mount > > point being unmounted, in TCP packet. So is there any way to > detect the > > unmount operation by hacking such packets? > > > > I guess you used NFSv4. NFSv4 umount operation does not send any > NFS packet. > The TCP packets you captured were sent by TCP close procedure, > because NFS > umount operation need close the TCP connection with NFS server. I am using NFSv3. (Sorry, I forgot to mention it in first email - so I have replied to my original email with capture file). > > -- > Regards > Bian Naimeng -- 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
