Date: Fri, 11 Oct 2002 09:39:38 -0400 From: Bill Moran <wmoran@potentialtech.com> To: cool46 cool46 <coolunixer@hotmail.com> Cc: questions <FreeBSD-questions@FreeBSD.ORG> Subject: Re: how to kill nfs-blocked process Message-ID: <3DA6D49A.70401@potentialtech.com> References: <F169JfhMAwzNUe9n2r90001c61f@hotmail.com>
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cool46 cool46 wrote: > thanks for your reply,but it is not work for me.i tried to mount nfs > with options -i,-R,but the problem is as before.The details of my test > is as follows: > my nfs server(IP:10.0.0.1) is a RedHat 7.3 with kernel of 2.4.19 > version,my nfs client(IP:10.0.0.2) is freebsd 4.5 > 10.0.0.2: > mount_nfs -i -R 1 10.0.0.1:/home /usr/home > cp a_big_file /usr/home > > in the course of doing this,i disabled network between these two machine > by using iptables in 10.0.0.1 > /sbin/iptables -I INPUT -p udp -s 10.0.0.2 -j DROP > > so the process 'cp' in 10.0.0.2 is blocked,I can't kill or interrupt it > in any way.According to mount_nfs's manual ,it should failed and return > in a few minutes because i set -R equal to 1,but the fact is not. > Could you help me? > thanks agains.i'm a chinese and glad to make friends with you. That should be the solution. I'm not an NFS "expert" so you may want to consult with some others as well. (I've put this email back on the mailing list) If you don't find a solution, then you should probably submit a PR (problem report) via the send-pr command, or through the website. >> From: Bill Moran <wmoran@potentialtech.com> >> To: cool46 cool46 <coolunixer@hotmail.com> >> CC: freebsd-questions@FreeBSD.ORG >> Subject: Re: how to kill nfs-blocked process >> Date: Thu, 10 Oct 2002 23:20:53 -0400 >> >> cool46 cool46 wrote: >> > i have a nfs server and a client,server is running linux,client is >> > running freebsd.I find when server is busy or not available,some process >> > on client will block because of nfs.these process be marked with 'D' or >> > 'DL' when i run command 'ps ax'.i try to kill them using command 'kill >> > -9',but not work,even though reboot system,the system can not reboot >> > automaticly because some process cann't teminate.i also try to mount >> > client with options intr,soft and so on,but problem is as before.how > > can > >> > i resolve this problem? thanks. >> >> You can prevent this from happening with the options that you use to >> mount the NFS volumes. >> Options such as -R and -i are particularly useful for this purpose. >> Read "man mount_nfs" for details. -- Bill Moran Potential Technologies http://www.potentialtech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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