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smbfs/ cifs inside VE [message #4994]

Mon, 07 August 2006 20:49

Monarch
Messages: 3
Registered: August 2006

Junior Member

maybe I didn't look hard enough but I was unable to find any information why openVZ denies to mount a smbfs-share inside a VE.

I managed to setup the VE and even networking seems to work perfectly. I can ping, I can do name-resolving, but everytime I try to mount a smbfs inside the VE, I get:

dev128:~# mount -t cifs //192.168.1.30/test /mnt
Password:
mount error: cifs filesystem not supported by the system
Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)

Note: the command works perfectly on the Hardwarenode (host-system)

My question is: is the errormessage correct? I am used to get false or misleading errormessages from smbfs/ cifs......

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Re: smbfs/ cifs inside VE [message #5001 is a reply to message #4994]

Tue, 08 August 2006 05:29

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

smbfs/cifs isn't virtualized now,
you can't use it inside VE.
All available in VE filesystems resides in /proc/filestystems
file inside VE.

You can do the following to make smb shares available in VE:

On HOST (!):
mount -t cifs //192.168.1.30/test /mn
mount --bind /mn /vz/root/101/mn

After that you can see contents of //192.168.1.30/test
inside VE in /mn directory.
You can automate this process using 101.mount and 101.umount
scripts in conf directory of OpenVZ.

HTH,
vass.

[Updated on: Tue, 08 August 2006 05:30]

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Re: smbfs/ cifs inside VE [message #5007 is a reply to message #5001]

Tue, 08 August 2006 07:46

Monarch
Messages: 3
Registered: August 2006

Junior Member

Thanks for the quick response and hint...

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Re: smbfs/ cifs inside VE [message #8627 is a reply to message #5001]

Wed, 29 November 2006 17:04

dionstarfire
Messages: 1
Registered: November 2006

Junior Member

I have tried what you suggested but when I enter my VE the "bind" mount points still do not show content but the hardware host does have the mount information.

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Re: smbfs/ cifs inside VE [message #8641 is a reply to message #8627]

Thu, 30 November 2006 06:53

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

Can you, please, provide more information. Actually we need all actions you do: every command you type in bash and every answer you recieve after it.

Thanks!

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Re: smbfs/ cifs inside VE [message #15183 is a reply to message #4994]

Fri, 20 July 2007 15:01

jpastore
Messages: 21
Registered: July 2007
Location: South Florida

Junior Member

I was able to follow the instructions successfully. I can't seem to locate the mount/umount files in the conf directory (not entirely familiar with the file system layout) Can you please point me in the right direction?

I realize that 101.mount probably refers to [ve number].mount

On the host I did a umount for share that I did the mount --bind and was still able to access the files in the VE. I had to umount the directory in the VE from the host as well.

Another related question I have is (which may be off topic):

I wrote a quick bash script to backup some stuff to an external HDD. This drive may be off or not plugged in. Is there a way to test if the mount was successful before continuing? I guess I could just touch a file on the external HDD and test for that when running the backup. I was just looking for a more elegant and definitive solution.

Thanks!

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Re: smbfs/ cifs inside VE [message #15244 is a reply to message #15183]

Tue, 24 July 2007 05:57

Vasily Tarasov
Messages: 1345
Registered: January 2006

Senior Member

Hello,

if you use vzctl from RPM, <veid>.mount and <veid>.umount files reside in /etc/vz/conf/ directory. BTW, <veid>.umount scripts are not very necessary: everything will be umounted automatically on VE stop. But you should mount with -n option in mount sctipt then...

HTH,
Vasily

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