On Tue, Oct 18, 2005 at 03:35:30PM -0600, smagnuson@forzani.com wrote:
>
> I can mount it from the host using /usr/local/etc/vservers/unixdev1/fstab but have not figured out how to umount (if possible)
>
> I was able to use the bcapabilities numeric values with out getting errors on vserver startup.
> cat /usr/local/etc/vservers/unixdev1/bcapabilities
> 0x00010000
> 0x00020000
> 0x00040000
>
> even with this I am unable to unmount the nfs filesystem when mounted
> from the host into the vserver.
not unexpected, again bcaps != ccaps and if you want
to use numeric values, it's probably easier to use
^16
^17
^18
which means bits 16,17, and 18 ...
> when trying from inside the vserver I can not even mount the nfs filesystem
> sudo mount -v -t nfs calnfs01.corporate.net:/nfs_unix_data /unix_data
> mount: failed with nfs mount version 4, trying 3..
> mount: permission denied
> the nfs server shows
> Oct 18 15:31:57 calnfs01 rpc.mountd: authenticated mount request from unixdev1.corporate.net:783 for /nfs_unix_data (/nfs_unix_data)
> Oct 18 15:31:57 calnfs01 rpc.mountd: authenticated mount request from unixdev1.corporate.net:787 for /nfs_unix_data (/nfs_unix_data)
>
>
> I have been working on this from several angles to no avail. Is anyone
> else mounting nfs into a vserver? How are you doing it? Are you able
> to umount it afterwards?
you need SECURE_MOUNT and BINARY_MOUNT to mount and
unmount NFS inside a guest, but you can also unmount
it from the host (as you mounted it from the host :)
HTH,
Herbert
> thanks
> sig
>
>
>
>
>
> -----Original Message-----
> From: vserver-bounces@list.linux-vserver.org
> [mailto:vserver-bounces@list.linux-vserver.org]On Behalf Of Magnuson,
> Sig
> Sent: Tuesday, October 18, 2005 11:50 AM
> To: vserver@list.linux-vserver.org
> Subject: RE: [Vserver] unmount nfs with vserver
>
>
> I have done the following but am getting a error
> sudo vi /usr/local/etc/vservers/caloratst01/bcapabilities
> VXC_SECURE_MOUNT
> VXC_SECURE_REMOUNT
> VXC_BINARY_MOUNT
>
> I also tried:
> SECURE_MOUNT
> SECURE_REMOUNT
> BINARY_MOUNT
>
> I am getting the following error on vserver startup
> sudo vserver caloratst01 start
> Unknown bcap 'VXC_SECURE_MOUNT'
>
> An error occured while executing the vserver startup sequence; when
> there are no other messages, it is very likely that the init-script
> (/sbin/init) failed.
>
> Common causes are:
> * /etc/rc.d/rc on Fedora Core 1 and RH9 fails always; the 'apt-rpm' build
> method knows how to deal with this, but on existing installations,
> appending 'true' to this file will help.
>
> Failed to start vserver 'caloratst01'
>
> Have I got the syntax of the file wrong?
>
>
> -----Original Message-----
> From: Herbert Poetzl [mailto:herbert@13thfloor.at]
> Sent: Friday, October 14, 2005 11:18 AM
> To: Magnuson, Sig
> Cc: vserver@list.linux-vserver.org
> Subject: Re: [Vserver] unmount nfs with vserver
>
>
> On Fri, Oct 14, 2005 at 10:42:49AM -0600, smagnuson@forzani.com wrote:
> > A while back I posted to the list about mounting nfs filesystem into a
> > vserver. The only suggestion that I could get to work was adding the
> > mount to fstab on host system.
>
> > IE:
> > cat /usr/local/etc/vservers/unixdev1/fstab
> > none /proc proc defaults 0 0
> > none /tmp tmpfs size=64m,mode=1777 0 0
> > none /dev/pts devpts gid=5,mode=620 0 0
> > # added Sept 14, 2005 - common unix NFS filesystem -sig
> > calnfs01.corporate.net:/nfs_unix_data /unix_data nfs hard,intr,nolock 0 0
> >
> > The one issue I came across was that I could not find a way to umount
> > the NFS filesystem
> > ssh unixdev1
> > sudo umount /unix_data
> > umount: /unix_data: must be superuser to umount
> > umount: /unix_data: must be superuser to umount
>
> >>hmm, looks like you are missing one of the
> >>context capabilities for secure mount ...
>
> >>#define VXC_SECURE_MOUNT 0x00010000
> >>#define VXC_SECURE_REMOUNT 0x00020000
> >>#define VXC_BINARY_MOUNT 0x00040000
>
> > I thought I would be fine with it that way but it turns out it is a
> > bigger issue than I thought. Any suggestions on how to umount the NFS
> > filesystem?
>
> >>unmounting on the host should work quite fine ...
>
> >>best,
> >>Herbert
>
> > I have access to host and vserver.
> > thanks
> > sig
> >
> >
> >
> > sudo ./vserver-testme.sh
> > Linux-VServer Test [V0.13] Copyright (C) 2003-2005 H.Poetzl
> > chcontext is working.
> > chbind is working.
> > Linux 2.6.12.4-vs2.0 i686/0.30.208/0.30.208 [Ea] (0)
> > VCI: 0002:0001 273 03000016
> > ---
> > [000]# succeeded.
> > [001]# succeeded.
> > [011]# succeeded.
> > [031]# succeeded.
> > [101]# succeeded.
> > [102]# succeeded.
> > [201]# succeeded.
> > [202]# succeeded.
> >
> > sudo vserver-info
> > Versions:
> > Kernel: 2.6.12.4-vs2.0
> > VS-API: 0x00020001
> > util-vserver: 0.30.208; Aug 24 2005, 21:26:20
> >
> > Features:
> > CC: gcc, gcc (GCC) 3.4.3 (CRUX)
> > CXX: g++, g++ (GCC) 3.4.3 (CRUX)
> > CPPFLAGS: ''
> > CFLAGS: '-g -O2 -std=c99 -Wall -pedantic -W -funit-at-a-time'
> > CXXFLAGS: '-g -O2 -ansi -Wall -pedantic -W -fmessage-length=0 -
> > funit-at-a-time'
> > build/host: i686-pc-linux-gnu/i686-pc-linux-gnu
> > Use dietlibc: yes
> > Build C++ programs: yes
> > Build C99 programs: yes
> > Available APIs: compat,v11,v13,fscompat,net,oldproc,olduts
> > ext2fs Source: e2fsprogs
> > syscall(2) invocation: alternative
> > vserver(2) syscall#: 273/glibc
> >
> > Paths:
> > prefix: /usr/local
> > sysconf-Directory: ${prefix}/etc
> > cfg-Directory: ${prefix}/etc/vservers
> > initrd-Directory: $(sysconfdir)/init.d
> > pkgstate-Directory: ${prefix}/var/run/vservers
> > Kernelheaders: /lib/modules/2.6.12.4-vs2.0/build/include
> > vserver-Rootdir: /vservers
> >
> >
> > Assumed 'SYSINFO' as no other option given; try '--help' for more information.
> >
> >
> > _______________________________________________
> > Vserver mailing list
> > Vserver@list.linux-vserver.org
> > http://list.linux-vserver.org/mailman/listinfo/vserver
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Received on Tue Oct 18 23:58:50 2005