[JIRA] (OVIRT-1516) Docker failures with devicemapper

Wednesday, 9 August 2017

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    [
https://ovirt-jira.atlassian.net/browse/OVIRT-1516?page=com.atlassian.jir...
] 

Daniel Belenky commented on OVIRT-1516:
---------------------------------------

I've found [this
page|https://access.redhat.com/documentation/en-us/red_hat_enterprise_lin...]
that might give us some info on how we should deal with docker instance in our production
slaves

...
 Docker failures with devicemapper
 ---------------------------------

                 Key: OVIRT-1516
                 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1516
             Project: oVirt - virtualization made easy
          Issue Type: Bug
            Reporter: Daniel Belenky
            Assignee: infra

 *This ticket is to track the issue related to docker and devicemapper.*
 Some builds which are using docker, are failing to clean the images with the following
error:
 {code:java}
 failed to remove device
 20f33836994d6aa2b8f31a57b51395deb0cb5f6ffa0534dee1734ab3d248f20a:devicemapper:
 Can't set task name /dev/mapper/docker-253:3-134291085-pool
 {code}
 The error resolves after restarting docker daemon.
 I've been able to find some tickets in Docker's GitHub repository which are
addressing the same issue.
 I've found some tickets which were closed with a potential fix, but the suggestions
were to avoid using devicemapper.
 Maybe we should consider the same approach? 

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<html><body>
<pre>[
https://ovirt-jira.atlassian.net/browse/OVIRT-1516?page=com.atlassian.jir...
]</pre>
<h3>Daniel Belenky commented on OVIRT-1516:</h3>
<p>I've found [this page|<a
href="https://access.redhat.com/documentation/en-us/red_hat_enterpri...>]
that might give us some info on how we should deal with docker instance in our production
slaves</p>
<blockquote><h3>Docker failures with devicemapper</h3>
<pre>     Key: OVIRT-1516
     URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1516
 Project: oVirt - virtualization made easy
         Issue Type: Bug
Reporter: Daniel Belenky
Assignee: infra</pre>
<p><strong>This ticket is to track the issue related to docker and
devicemapper.</strong> Some builds which are using docker, are failing to clean the
images with the following error: {code:java} failed to remove device
20f33836994d6aa2b8f31a57b51395deb0cb5f6ffa0534dee1734ab3d248f20a:devicemapper: Can't
set task name /dev/mapper/docker-253:3-134291085-pool {code} The error resolves after
restarting docker daemon. I've been able to find some tickets in Docker's GitHub
repository which are addressing the same issue. I've found some tickets which were
closed with a potential fix, but the suggestions were to avoid using devicemapper. Maybe
we should consider the same approach?</p></blockquote>
<p>&mdash; This message was sent by Atlassian JIRA
(v1001.0.0-SNAPSHOT#100058)</p>

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