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Sébastien Han 712af5de11 ceph: check num mon for hostnetworking 
We now refuse to start more than one monitor on the same machine if
hostnetworking is enabled.
Supporting this creates a lot more complexity from the rook side. Also
having 3 monitors running on the same machine is not a production setup.

This means multi-cluster support on the same machine
is not possible anymore when hostnetworking is enabled.

Resolves: https://github.com/rook/rook/issues/2604
Signed-off-by: Sébastien Han <seb@redhat.com>
2019-02-04 09:52:35 +01:00

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Major Themes

Action Required

Notable Features

Minio Object Stores

- Now have an additional label named `objectstore` with the name of the Object Store, to allow better selection for Services.
- Use `Readiness` and `Liveness` probes.
- Updated automatically on Object Store CRD changes.

Ceph

  • A CephNFS CRD will start NFS daemon(s) for exporting CephFS volumes or RGW buckets. See the NFS documentation.
  • Selinux labeling for mounts can now be toggled with the ROOK_ENABLE_SELINUX_RELABELING environment variable.
  • Recursive chown for mounts can now be toggled with the ROOK_ENABLE_FSGROUP environment variable.
  • Added the dashboard port configuration setting.
  • Added the dashboard ssl configuration setting.

Breaking Changes

  • Rook no longer supports Kubernetes 1.8 and 1.9.
  • Rook no longer supports running more than one monitor on the same node when hostNetwork and allowMultiplePerNode are true.

Ceph

  • Rook will no longer create a directory-based osd in the dataDirHostPath if no directories or devices are specified or if there are no disks on the host.

Known Issues

Deprecations

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