Bug 1122452

Summary:	Unable to mount Netapp NFS share when rpc.gssd is running
Product:	Red Hat Enterprise Linux 7	Reporter:	Ondrej <ovalousek>
Component:	nfs-utils	Assignee:	Steve Dickson <steved>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Filesystem QE <fs-qe>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	7.0	CC:	ovalousek
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-01-06 15:45:40 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Ondrej 2014-07-23 09:59:18 UTC

Description of problem:
I am unable to mount a NFS share on Netall NAS filer when rpc.gssd process is running.

Version-Release number of selected component (if applicable):
any

How reproducible:
always

Steps to Reproduce:
1. Configure Netapp NFS share, enable system authentication only
2. Configure rpc.gssd for Kerberos authentication (used AD KDC in my case)
3. systemctl start nfs-secure
4. try to mount the share

Actual results:
mount will fail

Expected results:
Kerberos security mount will fail, then fallback to the system security

Workaround:
disable nfs-secure service or add "-o sec=sys" mount parameter to explicitely force system authentication

Comment 2 Steve Dickson 2015-01-03 15:42:00 UTC

Gould it be possible to get a network trace of this failure?
Something similar to:
    tshark -w /tmp/date.pcap host <Netapp_server>
    bzip2 /tmp/data.pcap

Comment 3 Ondrej 2015-01-06 14:45:29 UTC

With the latest updates, I am no longer able to replicate the issue

Comment 4 Ondrej 2015-01-06 14:48:19 UTC

I think we can close this case