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| author |   Sylvain Desbureaux <sylvain.desbureaux@orange.com> | 2020-01-22 16:30:46 +0200 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@onap.org> | 2020-01-22 14:30:46 +0000 |
| commit | 70fc0f2694d1353ea93437fc49415598f147d0ca (patch) | |
| tree | 5e3cb8ae107f599008950ce8eea4cf89f9d712b9 /docs/oom_project_description.rst | |
| parent | 7dc067bbca304601b56559cec5df56a2631d018c (diff) | |
Update git submodules
* Update kubernetes/robot from branch 'master'
to 4bd799e5dbcbf2131a685bf73319e962ace86f5c
- Move Storage access to RWO
Today when deploying Robot with OOM, the PersistentVolumeClaim needs the
"ReadWriteMany" (or "RWX") capability.
According to Kubernetes Documentation (https://kubernetes.io/docs/concepts/storage/persistent-volumes/#access-modes),
ReadWriteMany stands for "the volume can be mounted as read-write by many nodes".
That means that a particular PVC needs to be read and written from many pods.
That also means that your code takes that into account and do the work to avoid
write at the same place at the same time.
An issue on RWX mode is that most "official" storage driver from Kubernetes doesn't
support it (13 over the 19 drivers doesn't support it, espacially OpenStack, Amazon
and Google storage classes).
Robot PVC is used only for one Robot instance. Thus we don't need RWX.
Issue-ID: INT-1230
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I300e34a9d4be40b36153812d2a99c458cae6b2c9
Diffstat (limited to 'docs/oom_project_description.rst')
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