Bug 206520

Summary:	mount hangs when nodir=1 not always used.
Product:	Red Hat Enterprise Linux 5	Reporter:	Nate Straz <nstraz>
Component:	kernel	Assignee:	David Teigland <teigland>
Status:	CLOSED ERRATA	QA Contact:	Cluster QE <mspqa-list>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	5.0
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	RHBA-2007-0959	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2007-11-07 19:13:12 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Nate Straz 2006-09-14 20:28:29 UTC

Description of problem:

The mount command hangs when a node tries to mount a GFS file system without
using the "hostdata=nodir=1" option when the file system is already mounted
on other nodes using the "hostdata=nodir=1" option.

Version-Release number of selected component (if applicable):
kmod-gfs-0.1.1-8.2.6.17_1.2519.4.14.el5
cman-2.0.12-1.fc6

How reproducible:
100%

Steps to Reproduce:
1. mount file system with "hostdata=nodir=1" on one node
2. mount file system without above option on another node

  
Actual results:
I had the file system mounted on two nodes when I tried to mount the file system
on a third without the above option.  The mount hung.

Kernel messages:

-- morph-01 (mounted nodir=1)
dlm: morph-cluster0: recover 5
dlm: morph-cluster0: add member 3
dlm: morph-cluster0: config mismatch: 32,1 nodeid 3: 32,0
dlm: morph-cluster0: ping_members aborted -22 last nodeid 3
dlm: morph-cluster0: total members 3 error -22
dlm: morph-cluster0: recover_members failed -22
dlm: morph-cluster0: recover 5 error -22

-- morph-02 (mounted nodir=1)
dlm: morph-cluster0: recover 3
dlm: morph-cluster0: add member 3
dlm: morph-cluster0: config mismatch: 32,1 nodeid 3: 32,0
dlm: morph-cluster0: ping_members aborted -22 last nodeid 3
dlm: morph-cluster0: total members 3 error -22
dlm: morph-cluster0: recover_members failed -22
dlm: morph-cluster0: recover 3 error -22

-- morph-03 (attempted mount)
Trying to join cluster "lock_dlm", "morph-cluster:morph-cluster0"
dlm: morph-cluster0: recover 1
dlm: morph-cluster0: add member 2
dlm: morph-cluster0: add member 1
dlm: morph-cluster0: add member 3
dlm: morph-cluster0: config mismatch: 32,0 nodeid 1: 32,1
Joined cluster. Now mounting FS...
dlm: morph-cluster0: ping_members aborted -22 last nodeid 1
dlm: morph-cluster0: total members 3 error -22
dlm: morph-cluster0: recover_members failed -22
dlm: morph-cluster0: recover 1 error -22


Expected results:
mount command should fail with an error that the nodir=1 option is required.

Additional info:

Comment 1 RHEL Program Management 2007-05-08 20:18:48 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release.  Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products.  This request is not yet committed for inclusion in an Update
release.

Comment 2 David Teigland 2007-05-31 14:51:22 UTC

patch posted to rhkernel
http://post-office.corp.redhat.com/archives/rhkernel-list/2007-May/msg00713.html

Comment 3 David Teigland 2007-06-08 19:19:48 UTC

patch reposted to rhkernel
http://post-office.corp.redhat.com/archives/rhkernel-list/2007-June/msg01066.html

Comment 4 Don Zickus 2007-06-12 18:45:30 UTC

in 2.6.18-24.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Comment 7 errata-xmlrpc 2007-11-07 19:13:12 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2007-0959.html