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Add example override file for OpenShift#854

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marcleblanc2 wants to merge 5 commits intomainfrom
marc/openshift-example
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Add example override file for OpenShift#854
marcleblanc2 wants to merge 5 commits intomainfrom
marc/openshift-example

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@marcleblanc2
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Checklist

Doc change.

Test plan

Verify with customers.

@marcleblanc2 marcleblanc2 requested review from anorrish and trly April 22, 2026 20:19
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# Ingress / Router
#
# HAProxy router timeout
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I'd also note to remind customers to check for other upstream proxies that may require overrides if just changing the HAProxy timeout doesn't resolve SSE issues.

# OpenShift instances often have their own StorageClasses already created,
# instead of letting this Helm chart create one
#
# File count limits per PV
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https://access.redhat.com/solutions/6221251

There are a few workarounds, here. It seems like this is inherited from upstream k8s. Curious that we haven't seen it on other non-openshift deploys

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I remember this one from The Bank, before the docs got paywalled, it was due to RHOSCP's thing with UID/GID, every time it attaches a volume to a node, it runs chown UID:GID on all files in the PV, which timed out > 1 million files.

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There's a couple workarounds in that docs to somewhat mitigate it, as well as an option added in 4.16

if the volumes affected by the long SeLinux relabeling are accessed via the ReadWriteOnce (RWO) access mode, and the cluster is running OpenShift 4.16 or newer, consider first using ReadWriteOncePod (RWOP) access mode in combination with the seLinuxMount option instead of this solution if the CSI driver used supports it.

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Looks good. My comments can be addressed if desired in the future.

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2 participants