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Bug 998012

Summary:	when /tmp is full services fail over
Product:	Red Hat Enterprise Linux 6	Reporter:	Ryan McCabe <rmccabe>
Component:	resource-agents	Assignee:	David Vossel <dvossel>
Status:	CLOSED ERRATA	QA Contact:	Cluster QE <mspqa-list>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	6.3	CC:	agk, cluster-maint, dvossel, fdinitto, hartsjc, jtriplet, mnovacek, rmccabe, sbradley
Target Milestone:	rc
Target Release:	6.6
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	resource-agents-3.9.2-33.el6	Doc Type:	Bug Fix
Doc Text:	Cause: Filesystem based resources, such as fs.sh and clusterfs.sh, required usage of the /tmp directory during status monitoring. If the /tmp directory became full after mounting the filesystem, the monitor action would fail even though the filesystem is correctly mounted. Consequence: Healthy mounted filesystems failover because the /tmp directory is full. Fix: We no longer make use of the /tmp directory during filesystem monitors. Result: Filesystem monitors do not fail if the /tmp directory is full.	Story Points:	---
Clone Of:	997546	Environment:
Last Closed:	2013-11-21 05:21:23 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:
Bug Depends On:	997546
Bug Blocks:

Comment 8 michal novacek 2013-09-17 15:21:46 UTC

I checked that the resource will not move after the /tmp filesystem is full.

virt-036 # rpm -q resource-agents
resource-agents-3.9.2-33.el6.x86_64

virt-036 # ccs -f /etc/cluster/cluster.conf --lsservices
service: name=ha-fs, domain=le-domain, recovery=relocate
  fs: ref=ha-fs
resources: 
  fs: name=ha-fs, self_fence=1, force_unmount=1, fstype=ext4, device=/dev/ha-vg/ha-lv-0, mountpoint=/exports, fsid=25315

virt-036 # clustat
Cluster Status for STSRHTS11207 @ Tue Sep 17 17:04:05 2013
Member Status: Quorate

 Member Name                       ID   Status
 ------ ----                       ---- ------
 virt-035                          1 Online, rgmanager
 virt-036                          2 Online, Local, rgmanager
 virt-037                          3 Online, rgmanager

 Service Name       Owner (Last)                   State         
 ------- ----       ----- ------                   -----         
 service:ha-fs      virt-036                       started       

virt-036 # mount  | grep exports
/dev/mapper/ha--vg-ha--lv--0 on /exports type ext4 (rw)

virt-036 # dd if=/dev/zero of=/tmp/bigfile
dd: writing to `/tmp/bigfile': No space left on device
9226177+0 records in
9226176+0 records out
4723802112 bytes (4.7 GB) copied, 33.6405 s, 140 MB/s

virt-036 # clustat
Cluster Status for STSRHTS11207 @ Tue Sep 17 17:07:22 2013
Member Status: Quorate

 Member Name                       ID   Status
 ------ ----                       ---- ------
 virt-035                          1 Online, rgmanager
 virt-036                          2 Online, Local, rgmanager
 virt-037                          3 Online, rgmanager

 Service Name       Owner (Last)                   State         
 ------- ----       ----- ------                   -----         
 service:ha-fs      virt-036                       started       

virt-036 # mount | grep exports
/dev/mapper/ha--vg-ha--lv--0 on /exports type ext4 (rw)

Comment 10 errata-xmlrpc 2013-11-21 05:21:23 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-1541.html