Red Hat SummitOpenShift Container Storage is now OpenShift Data Foundation starting with version 4.9.
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Chapter 2. Known Issues
This chapter provides a list of known issues at the time of release.
- Few paths are missing for iscsi mpath device. This is because, either CHAP security values mismatch or iscsi CSG: stage 0 has been skipped. Both will result in iSCSI login negotiation to fail.To workaround this issue, delete the app pod which will trigger the restart of the pod. The pod start will then update the credentials and relogins.
- Sometimes in OCP, instead of using the multipath mapper device, such as /dev/mapper/mpatha, to mount the device, individual paths, such as /dev/sdb, is used. This is because OCP is currently not waiting for the mpath checker default timeout of 30 seconds, but waits for only 10 second and then picks the individual path if the mapper device is not ready. Due to this, we are not benefited by all the advantages of high availability and multipathing for block device.To workaround this issue, delete the app pod which will then trigger the restart of the pod. The pod then relogins and undergoes a multipath check.
- The following two lines might be repeatedly logged in the rhgs-server-docker container/gluster container logs.
[MSGID: 106006] [glusterd-svc-mgmt.c:323:glusterd_svc_common_rpc_notify] 0-management: nfs has disconnected from glusterd. [socket.c:701:__socket_rwv] 0-nfs: readv on /var/run/gluster/1ab7d02f7e575c09b793c68ec2a478a5.socket failed (Invalid argument)
[MSGID: 106006] [glusterd-svc-mgmt.c:323:glusterd_svc_common_rpc_notify] 0-management: nfs has disconnected from glusterd. [socket.c:701:__socket_rwv] 0-nfs: readv on /var/run/gluster/1ab7d02f7e575c09b793c68ec2a478a5.socket failed (Invalid argument)Copy to Clipboard Copied! Toggle word wrap Toggle overflow These logs are added as glusterd is unable to start the NFS service. There is no functional impact as NFS export is not supported in Containerized Red Hat Gluster Storage.
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