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area/daemonCore EngineCore Enginearea/storage/overlaykind/enhancementEnhancements are not bugs or new features but can improve usability or performance.Enhancements are not bugs or new features but can improve usability or performance.
Description
Allow the uses of overlay2 in the 3.10.0-693.el7.x86_64 kernel now that Redhat officially supports it?
moby/daemon/graphdriver/overlay2/overlay.go
Lines 136 to 141 in 1009e6a
| if kernel.CompareKernelVersion(*v, kernel.VersionInfo{Kernel: 4, Major: 0, Minor: 0}) < 0 { | |
| if !opts.overrideKernelCheck { | |
| return nil, graphdriver.ErrNotSupported | |
| } | |
| logrus.Warn("Using pre-4.0.0 kernel for overlay2, mount failures may require kernel update") | |
| } |
Steps to reproduce the issue:
- Install docker-ce 17.0.6 on rhel 7.4
echo -e "{ \"storage-driver\": \"overlay2\" }" > /etc/docker/daemon.json; systemctl restart docker
Describe the results you received:
Docker should restart.
Describe the results you expected:
Docker doesn't support overlay2 on rhel 7.4.
Additional information you deem important (e.g. issue happens only occasionally):
Output of docker version:
[root@rhel74 ~]# docker -v
Docker version 17.06.0-ce
Additional environment details (AWS, VirtualBox, physical, etc.):
vmware fusion. also tested on aws.
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area/daemonCore EngineCore Enginearea/storage/overlaykind/enhancementEnhancements are not bugs or new features but can improve usability or performance.Enhancements are not bugs or new features but can improve usability or performance.