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using devnodes to grant rights to partition [message #26896]

Mon, 04 February 2008 23:25

rickb
Messages: 368
Registered: October 2006

Senior Member

Hi, I want to mount /dev/sda4 in a VE.

Quote:

root@serv [/]# rm /dev/sda4
rm: remove block special file `/dev/sda4'? y
root@serv [/]# exit
logout
exited from VE 9892526
[root@sua ~]# vzctl set 9892526 --devnodes sda4:rw --save
Setting devices
Saved parameters for VE 9892526
[root@sua ~]# vzctl enter 9892526
entered into VE 9892526
mesg: error: tty device is not owned by group `tty'
root@serv [/]# cat /dev/sda4
cat: /dev/sda4: Permission denied
root@serv [/]# ls -al /dev/sda4
brw-r----- 1 root root 8, 4 Feb 4 10:22 /dev/sda4
root@serv [/]# exit
logout
exited from VE 9892526
[root@sua ~]# mount | grep sda4
[root@sua ~]# fdisk -l | grep sda4
/dev/sda4 294 19452 153894667+ 83 Linux
[root@sua ~]#

I don't want to use bindmounts because it would not be visible in /proc/mounts.

any ideas?

Thanks!
Rick

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Common Terms I post with: http://wiki.openvz.org/Category:Definitions

UBC. Learn it, love it, live it: http://wiki.openvz.org/Proc/user_beancounters

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Re: using devnodes to grant rights to partition [message #26985 is a reply to message #26896]

Wed, 06 February 2008 14:39

xemul
Messages: 248
Registered: November 2005

Senior Member

What's in the /proc/vz/devperms file after you grant access to /dev/sda4 to ve?

And what's the kernel version?

http://static.openvz.org/userbars/openvz-developer.png

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Re: using devnodes to grant rights to partition [message #26989 is a reply to message #26985]

Wed, 06 February 2008 15:03

rickb
Messages: 368
Registered: October 2006

Senior Member

Hi, I rebooted the node earlier and its working now. Embarassed

sorry for the lack of information if someone has this same prob in the future.

Rick

-------------
Common Terms I post with: http://wiki.openvz.org/Category:Definitions

UBC. Learn it, love it, live it: http://wiki.openvz.org/Proc/user_beancounters

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