Bug 1491758 - [CNS env]: app pod crashes when node containing gluster pod is rebooted
Summary: [CNS env]: app pod crashes when node containing gluster pod is rebooted
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Gluster Storage
Classification: Red Hat Storage
Component: tcmu-runner
Version: rhgs-3.3
Hardware: Unspecified
OS: Unspecified
unspecified
high
Target Milestone: ---
: RHGS 3.3.0
Assignee: Prasanna Kumar Kalever
QA Contact: krishnaram Karthick
URL:
Whiteboard:
Depends On:
Blocks: 1417151
TreeView+ depends on / blocked
 
Reported: 2017-09-14 15:18 UTC by krishnaram Karthick
Modified: 2017-09-21 04:22 UTC (History)
4 users (show)

Fixed In Version: tcmu-runner-1.2.0-15.el7rhgs
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2017-09-21 04:22:29 UTC
Embargoed:


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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHEA-2017:2773 0 normal SHIPPED_LIVE new packages: gluster-block 2017-09-21 08:16:22 UTC

Description krishnaram Karthick 2017-09-14 15:18:56 UTC
Description of problem:
[This bug is raised based on https://bugzilla.redhat.com/show_bug.cgi?id=1477455#c76]

when the node containing gluster pod is restarted, app pod failed and went into crashloop.

[root@dhcp47-57 ~]# oc get pods
NAME                                  READY     STATUS             RESTARTS   AGE
glusterblock-provisioner-dc-1-v0jd6   1/1       Running            0          1d
glusterfs-30vb6                       1/1       Running            0          1d
glusterfs-bzx4c                       1/1       Running            0          1d
glusterfs-mc1xn                       1/1       Running            1          1d
heketi-1-5ktqm                        1/1       Running            0          1d
mongodb-1-1-7r8rf                     0/1       CrashLoopBackOff   304        1d
storage-project-router-2-56dv2        1/1       Running            2          38d


Version-Release number of selected component (if applicable):
cns-deploy-5.0.0-37.el7rhgs.x86_64

How reproducible:
1/1

Comment 3 Prasanna Kumar Kalever 2017-09-15 06:40:22 UTC
Upstream patches related to the gluster-block and gluster-block-target systemd units [1] and the tcmu-runner systemd unit [2]

[1] https://review.gluster.org/#/c/18029/ 
[2] https://github.com/open-iscsi/tcmu-runner/pull/296

Comment 6 krishnaram Karthick 2017-09-19 06:17:27 UTC
Verified the fix in the below build on cns setup.

rpm -qa | grep 'cns'
cns-deploy-5.0.0-43.el7rhgs.x86_64

sh-4.2# rpm -qa | grep 'tcmu'
libtcmu-1.2.0-15.el7rhgs.x86_64
tcmu-runner-1.2.0-15.el7rhgs.x86_64

following tests were done,

gluster pod restart
node containing gluster pod reboot
app pod restart

Issue reported in this bug was not seen. Moving the bug to verified.

Comment 8 errata-xmlrpc 2017-09-21 04:22:29 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.

https://access.redhat.com/errata/RHEA-2017:2773


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