Ceph Reef All In One Deployment

In this article I will show you how to deploy Ceph all-in-one deployment using Cephadm. What all-in-one means is that all Ceph components will be deployed on a single node, this is suitable for local testing. I use Cephadm to perform automatic deployment and will deploy the Ceph components in containers and systemd.

So, let's get started…

Environment

Ceph Deployment

1. Update package

apt-get update

2. Install requirement packages

apt-get install python3 docker.io chrony lvm2

3. Install cephadm

curl --silent --remote-name --location https://download.ceph.com/rpm-18.2.4/el9/noarch/cephadm
chmod +x cephadm
./cephadm add-repo --release reef
./cephadm install

4. Bootstrap cluster

cephadm bootstrap --mon-ip 10.10.11.21 --single-host-defaults --initial-dashboard-user admin --initial-dashboard-password admin

5. Install ceph-common

cephadm install ceph-common

6. Add available storage to cluster

ceph orch device ls
ceph orch apply osd --all-available-devices

Operational Test

1. Ceph verification

ceph -s
ceph osd tree
ceph orch ps

2. Operational test

# pools
ceph osd pool create pool-test 128
ceph osd lspools
rbd pool init pool-test

# object
echo "GG BANG" > gg.txt
rados put object-gg gg.txt --pool=pool-test
rm gg.txt
rados ls --pool=pool-test
rados get object-gg gg.txt --pool=pool-test

# verify
cat gg.txt

References

• https://docs.ceph.com/en/reef/cephadm/install/