On Thursday, April 21, 2016, v <[email protected]> wrote: > > > Am 2016-04-21 um 09:44 schrieb aleks: > >> Hi Lorenz >> >> Am 21-04-2016 09:01, schrieb Lorenz Vanthillo: >> >>> Thanks Aleks, >>> >>> Is this deleting images on your nodes or also on your >>> openshift-registry? >>> >> >> As far as I have seen only in the registy not on the nodes. >> That's the reason why we afterwards execute a >> >> ansible -m shell -a 'docker rmi $(docker images -q)' all >> >> And for example: >>> >>> oadm prune images --keep-younger-than=60m >>> >>> Will this only delete images images older than 60m which aren't used? >>> Or wil this also delete images which are used (maybe only on the node >>> but not out of the registry?) >>> >> Unfortunately this will not delete any images at all, it will only delete > the references to those images. You will not get any disk space back with > this.
This is incorrect. oadm prune images does free up disk space in the registry pod's storage. > > As for your second question: > If a pod, RC or DC is using the image it will not get deleted, you can > read the docs for more details: > > https://docs.openshift.com/enterprise/3.1/admin_guide/pruning_resources.html#pruning-images > > > >> Well due to the fact hat I'm not using such option you can try it by your >> own as long as you don't add ' --confirm ' to the command >> >> Best Regards >> Aleks >> >> PS: Please keep the list on cc thanks >> >>> To: [email protected] >>>> Subject: Re: Best way to delete images (local and in registry) >>>> Date: Thu, 21 Apr 2016 08:42:50 +0200 >>>> From: [email protected] >>>> CC: [email protected] >>>> >>>> Hi Lorenz. >>>> >>>> Am 20-04-2016 14:33, schrieb Lorenz Vanthillo: >>>> > I'm searching for the best way to delete unused docker images in my >>>> > cluster. >>>> > Because we're rebuilding images + pushing them to the registry. >>>> > >>>> > When we perform >>>> > docker images -q |xargs do >>>> >>>>> >>>>> >>>>> oadm prune images --keep-younger-than=60m >>>>> >>>>> Will this only delete images images older than 60m which aren't used? >>>>> Or wil this also delete images which are used (maybe only on the node >>>>> but not out of the registry?) >>>>> >>>> >>>> Well due to the fact hat I'm not using such option you can try it by >>>> your own as long as you don't add ' --confirm ' to the command >>>> >>>> Best Regards cker rmi >>>> > >>>> > We get: >>>> > REPOSITORY TAG IMAGE ID CREATED >>>> > VIRTUAL SIZE >>>> > <none> <none> 0fd6f6a7d8 >>>> >>>>> >>>>> >>>>> oadm prune images --keep-younger-than=60m >>>>> >>>>> Will this only delete images images older than 60m which aren't used? >>>>> Or wil this also delete images which are used (maybe only on the node >>>>> but not out of the registry?) >>>>> >>>> >>>> Well due to the fact hat I'm not using such option you can try it by >>>> your own as long as you don't add ' --confirm ' to the command >>>> >>>> Best Regards fb 6 days ago >>>> > 660.1 MB >>>> > <none> <none> cdcb32f9b621 2 weeks ago >>>> > 743.2 MB >>>> > <none> <none> 9df362e36242 2 weeks ago >>>> > 794 MB >>>> > <none> <none> 67de4dbed60e 2 weeks ago >>>> > 704 MB >>>> > <none> <none> 999e0047a070 2 weeks ago >>>> > 543.6 MB >>>> > >>>> > But oc get images gave us: >>>> >>>> [snipp] >>>> >>>> > Is this fine? >>>> > >>>> > And what's the best way to delete old images out of the registry? >>>> >>>> Do you have tried this way? >>>> >>>> >>>> >>> https://docs.openshift.com/enterprise/3.1/admin_guide/pruning_resources.html#pruning-images >>> >>>> >>>> After wards we have run >>>> >>>> docker rmi $(docker images -q) >>>> >>>> on every node. >>>> >>>> I'm not sure if the last step is still necessary in the current >>>> >>> version. >>> >>>> >>>> Best Regards >>>> Aleks >>>> >>> >> _______________________________________________ >> users mailing list >> [email protected] >> http://lists.openshift.redhat.com/openshiftmm/listinfo/users >> > > _______________________________________________ > users mailing list > [email protected] > http://lists.openshift.redhat.com/openshiftmm/listinfo/users >
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