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rock-ons-root host pool quota disabled by docker-ce #1872

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phillxnet opened this issue Dec 17, 2017 · 0 comments · Fixed by #1873
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rock-ons-root host pool quota disabled by docker-ce #1872

phillxnet opened this issue Dec 17, 2017 · 0 comments · Fixed by #1873

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@phillxnet
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A recent move to docker-ce in stable 3.9.2-3 (#1865) caused the pool hosting the rock-ons-root share to have it's quotas disabled which is not currently a supported configuration within Rockstor. This quotas disabled side affect happens directly after the docker systemd service is activated: often only in evidence after rebooting following the 3.9.2-3 update. The consequent 'quotas disabled' buggy behaviour is to be addressed initially by issue #1869 (further on from now released #1868).

This issue is to address the cause of the quotas disabled state, which appears to be a bug in docker-ce:
docker/for-linux#78
which can be partially circumvented by adding an additional option to the dockerd command line as called by our python wrapper script:

/opt/rockstor/scripts/docker_wrapper.py

The noted circumvention is only partial as there is still a momentary disabling of quotas during the dockerd start-up, toward the end of which the quotas are then re-enabled. The consequences of this momentary disabling of quotas is currently under investigation and may require the now almost finalised changes associated with issue #1869 to address. An initial side effect of the current sustained disabled quotas state directly after 3.9.2-3 (post reboot) and before 3.9.2-5 was that all shares hosted by the same pool as the rock-ons-root share were not automatically mounted on boot: this was fixed in 3.9.2-5 by issue #1867 (pr #1868).

Pull request to follow shortly.
phillxnet added a commit to phillxnet/rockstor-core that referenced this issue Dec 17, 2017
@phillxnet
rock-ons-root host pool quota disabled by docker-ce rockstor#1872
b64b385 
It was found that the unwanted and currently unsupported
behaviour of docker-ce disabling quotas, pre this commit,
whenever systemd initiated this dockerd wrapper was
partially circumvented by the addition of the:
btrfs.min_space storage drive option. In this case, although
qoutas were still disabled they were then re-enabled shortly
there after; once the dockerd deamon had settled: returning
the pools quotas to the supported enabled status. Note
however that disabling the docker service still disables
quotas on the associated host pool and the state is persistent.
@phillxnet phillxnet mentioned this issue Dec 17, 2017
Merged
schakrava added a commit that referenced this issue Dec 18, 2017
@schakrava
Merge pull request #1873 from phillxnet/1872_rock-ons-root_host_pool_…
244a0cd 
…quota_disabled_by_docker-ce

rock-ons-root host pool quota disabled by docker-ce. Fixes #1872
@phillxnet phillxnet mentioned this issue Feb 4, 2018
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@phillxnet phillxnet mentioned this issue Mar 12, 2018
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rock-ons-root host pool quota disabled by docker-ce. Fixes #1872 phillxnet/rockstor-core
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