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KNOWN_ISSUES.md

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Frequent issues in latest releases

Some optional operators from OCP are not available in OKD

Affected Versions: All

Description: OCP users can install Logging/Serverless/GPU and other operators from Red Hat OperatorHub. This requires redhat.io pull secret, which may not be available for OKD users.

Workaround: Start installation with a pull secret from cloud.redhat.com, enable new source in operatorhub settings.

OKD-specific catalog with community versions of mentioned operators is in progress.

CephFS mounts get invalid permissions

Effected Versions: 4.10.0-0.okd-2022-03-07-131213 Description: Due to kernel 4.16 bug CephFS mounts get invalid permissions, so writing to image registry backed by CephFS fails on OKD 4.10 Workaround: In ceph-csi-cephfs installation add wsync to kernelMountOptions

Ceph service performance degradation

Effected Versions: 4.11.0-0.okd-2023-01-14-152430, 4.12.0-0.okd-2023-02-04-212953 Description: Due to kernel 6.0 bug with bind(), the Ceph service faces radical performance degradation, causing PG unavailability, very slow I/O operations. Workaround: Either build a custom FCOS image using layering or update to a newer version.