umount -fl /mount/point
And configure it after with autofs
Sent from my iPhone
> On Feb 2, 2016, at 20:00, Phelps, Matthew <mphelps@xxxxxxxxxxxxxxx> wrote:
>
> Try "umount -fl" ('eff el')
>
>> On Tue, Feb 2, 2016 at 1:58 PM, Dave Burns <tburns@xxxxxxxxxx> wrote:
>>
>> My NFS server is up and other clients can access x. One particular client
>> can't. I tried to unmount the NFS share:
>>
>> [root@nfsclient ~]# umount -f /disk/x
>> umount2: Device or resource busy
>> umount.nfs: /disk/x: device is busy
>> umount2: Device or resource busy
>> umount.nfs: /disk/x: device is busy
>>
>> If I use df or lsof to try to figure out what process to kill, they hang. I
>> am reluctant to just reboot, as many other users are getting stuff done.
>> dmesg doesn't show anything useful.
>>
>> How to get unstuck?
>>
>> thanks,
>> Dave
>> _______________________________________________
>> CentOS mailing list
>> CentOS@xxxxxxxxxx
>> https://lists.centos.org/mailman/listinfo/centos
>
>
>
> --
> Matt Phelps
> System Administrator, Computation Facility
> Harvard - Smithsonian Center for Astrophysics
> mphelps@xxxxxxxxxxxxxxx, http://www.cfa.harvard.edu
> _______________________________________________
> CentOS mailing list
> CentOS@xxxxxxxxxx
> https://lists.centos.org/mailman/listinfo/centos
_______________________________________________
CentOS mailing list
CentOS@xxxxxxxxxx
https://lists.centos.org/mailman/listinfo/centos
