My Favorites

Close

Please to see your favorites.

  • Bookmark
  • Email Document
  • Printer Friendly
  • Favorite
  • Rating:

Can't mount a Windows share using the mount.cifs vers= option on SLES 11

This document (7018804) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 11 Service Pack 4 (SLES 11 SP4)
SUSE Linux Enterprise Server 11 Service Pack 3 (SLES 11 SP3)
SUSE Linux Enterprise Server 11 Service Pack 2 (SLES 11 SP2)
SUSE Linux Enterprise Server 11 Service Pack 1 (SLES 11 SP1)

Situation

Unable to mount a Windows share using the mount command on SLES11 with the vers=2.0 option.
The Windows server has been configured to only allow SMBv2.

If the Windows server is configured to allow SMBv1 the mount command works regardless of the presence of the vers= option.

Resolution

Use a version of SLES with a 3.5 or later kernel or configure the Windows server to allow SMBv1.

SLES12 would be an example of a version of the SLES OS that has a kernel version that is later than 3.5 which does have the vers= option.

Cause

On SLES 11 kernel's the cifs client code does not have support for the vers= option.

The vers= option is available on SLES in kernels that are later than 3.5.

On SLES 11 the kernel's mount command doesn't actually error out on its own when this option is used but simply ignores the option and sends SMBv1 headers.

When the Windows server is configured to not allow SMBv1 the Windows server will send a TCP RST to the Negotiate Protocol Request sent from the SLES server with an SMBv1 header.  This is to be expected.

This TCP RST results in an error like this being seen at the console:
mount error (112): Host is down
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

Additional Information

smbclient fails after disabling SMBv1 on Windows server
https://www.suse.com/support/kb/doc/?id=7019892

Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7018804
  • Creation Date:12-APR-17
  • Modified Date:30-JUN-17
    • SUSESUSE Linux Enterprise Server

Did this document solve your problem? Provide Feedback

< Back to Support Search

SUSE Support Forums

Get your questions answered by experienced Sys Ops or interact with other SUSE community experts.

Join Our Community

Support Resources

Learn how to get the most from the technical support you receive with your SUSE Subscription, Premium Support, Academic Program, or Partner Program.


SUSE Customer Support Quick Reference Guide SUSE Technical Support Handbook Update Advisories
Support FAQ

Open an Incident

Open an incident with SUSE Technical Support, manage your subscriptions, download patches, or manage user access.

Go to Customer Center