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I have recently been trying to use PSMDB (Percona Server for MongoDB) as an open-source and free alternative for MongoDB Enterprise Server. I encountered an issue that the pod could not be initialized successfully with Persistent Volumes using NFS shares. I got the logs from the failed pod as follow: ------ ++ id -u ++ id -g + install -o 1000730000 -g 0 -m 0755 -D /ps-entry.sh /data/db/ps-entry.sh install: cannot change ownership of '/data/db/ps-entry.sh': Operation not permitted ---- I would like to share the steps how I used for debugging. The PSMD StatefulSet was deployed onto my OpenShift 3 OKD. Check the container mount info Go to a pod I could see the mount info as below mongod-data → /data/db read-write - mongod-data: Persistent volume claim name - /data/db: container mounted directory Check Persistent volume binding Go to the storage, I could know which persistent volume was bound to the corresponding persistent volume claim. Bound to volume psmdb-mongodb-data-0 Check P...

Encryption is the most popular tool for securing data both in transit and at rest. - For protecting data in transit, we can configure to use the TLS connection - For protecting data at rest, we can use Percona Server for MongoDB (PSMDB), an open-source alternative for MongoDB Enterprise. License PSMDB Docker images follow the SSPL license. Therefore, it is not a problem when I only have my containers deployed in on-premises environments. Running MongoDB Replication on OpenShift I have successfully installed the replication by following the guide Install Percona Server for MongoDB on OpenShift . In order to make it work properly with my needs, I disabled some features from the default deployment. See the detail in this change Basically, I needed to create a CRD (Custom Resource Definition) to let OpenShift/Kubernetes what PSMDB is. Then, I deployed the Operator pod. Finally, I deployed the PSMDB StatefulSet. I used NFS shares for Persistent Volumes. Create CRD for PSMDB 2 git clone http...