Hi All: Thanks martin presenting migration ceph solution. Thanks All sharing the thought and giving advices . MoM for 4/15 meeting: - ceph containerization martin will share the steps migration from native ceph to rook(containerization ceph) https://drive.google.com/file/d/1pojKWqFXxJACHkDxPLm8ZJN992dz8-6S/view?usp=s... open topic: Bob and Brent will give some more comments or advice for those items. rook: 1) open topic for lvm/gpt table new rook application. migration: 1) ceph osd journal , any better way to use original journal disk like /dev/sdb2. 2) storage node need to be added to k8s to support migration 3) after migration, storage backend is need to be disabled or removed patches are waitting for review https://review.opendev.org/#/c/714857/ https://review.opendev.org/#/c/716792/ https://review.opendev.org/#/c/713084/ - kernel upgrade : 1) waitting kernel-rt/rt-setup pre-built srpm 2) waitting new kernel repo . - centos8 upgrade: python-keyring, drdb-tools, python-html5lib, python-3parclient, python-lefthandclient, lighttpd have been upgraded, and uploaded gerrit still some build error, rebasing. Thanks. BR Austin Sun.