Subject: Re: [vserver] Mounting USB disk into vserver using LABELs
From: Herbert Poetzl <herbert@13thfloor.at>
Date: Mon, 17 May 2010 16:13:49 +0200

On Wed, May 12, 2010 at 09:25:54AM +0200, Juraj Pisarcik wrote:
> Hi!

> I'm trying to mount USB disk into vserver using LABELs. 
> In host OS it works, but not in vserver. 
> I'm using Debian lenny.

> Thanks for help

> Juraj

> host:/# uname -a
> Linux vserver 2.6.26-2-vserver-686-bigmem #1 SMP Tue Mar 9 19:46:38
> UTC 2010 i686 GNU/Linux

known broken kernel, don't use it ...

> host:/# cat /etc/vservers/vserver1/bcapabilities
> CAP_SYS_ADMIN

dangerous, guest can easily take over the host
(not required either)

> host:/etc/vservers# vserver vserver1 start
> secure-mount: mount(): No such file or directory
> /etc/vservers/vserver1/fstab:5:1: failed to mount fstab-entry
> secure-mount: mount(): No such file or directory
> /etc/vservers/vserver1/fstab:6:1: failed to mount fstab-entry
> Starting enhanced syslogd: rsyslogd.
> Starting MTA: exim4.

what is the util-vserver version?

> host:/etc/vservers# vserver vserver1 enter

> vserver:/# df
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/hdv1             45087388  37436704   7650684  84% /
> df: `/proc/bus/usb': No such file or directory

expected, as the /proc/bus is hidden by default

> vserver1:/# cat /etc/vservers/vserver1/fstab
> none    /proc           proc    defaults                0 0
> #none   /tmp            tmpfs   size=16m,mode=1777      0 0
> none    /dev/pts        devpts  gid=5,mode=620          0 0
> #need for USB devices access:
> usbfs   /proc/bus/usb   usbfs   rw,nosuid,nodev,noexec  0 0
> LABEL=BACK1 /BACK1  ext3    auto  0       0
> LABEL=BACK2 /BACK2  ext3    auto  0       0