Ceph: MDS can go read-only if session metadata from one client becomes "bloated".
Issue
MDS can go read-only if session metadata from one client becomes bloated.
If a single MDS client's session metadata becomes extremely large, (bloated), the entire MDS will go read-only as a reaction to this issue.
Environment
Red Hat OpenShift Container Platform (OCP) 4.x
Red Hat OpenShift Container Storage (OCS) 4.x
Red Hat OpenShift Data Foundation (ODF) 4.x
Red Hat Ceph Storage (RHCS) 5.x
Red Hat Ceph Storage (RHCS) 6.x
Red Hat Ceph Storage (RHCS) 7.x
Ceph File System (CephFS)
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
