Setup Ceph and Run RADOS Hello World

ceph-deploy-single-node.sh

#!/bin/bash
set -x
set -e
set -u

CEPHDIR=$1
DATA=${2:-}
JRNL=${3:-}

NODE=`hostname`

rm -rf cluster
mkdir cluster
pushd cluster


### Cleanup and install Ceph
############
sudo service ceph-all stop || true

ceph-deploy purge $NODE
ceph-deploy purgedata $NODE
rm -rf $CEPHDIR

retries=0
until [ $retries -ge 5 ]; do
  ceph-deploy install --release infernalis $NODE && break
  retries=$[$retries+1]
  sleep 30
done

retries=0
until [ $retries -ge 5 ]; do
  ceph-deploy pkg --install librados-dev $NODE && break
  retries=$[$retries+1]
  sleep 30
done

ceph-deploy new $NODE

### Setup the configuration
###########

# use memory store if no data device provided
if [ -z "$DATA" ]; then
cat >> ceph.conf <<EOF
osd objectstore = memstore
memstore device bytes = 8589934592
EOF
fi

cat >> ceph.conf <<EOF
osd crush chooseleaf type = 0
osd pool default size = 1
osd pool default min size = 1
debug_lockdep = 0/0
debug_context = 0/0
debug_crush = 0/0
debug_buffer = 0/0
debug_timer = 0/0
debug_filer = 0/0
debug_objecter = 0/0
debug_rados = 0/0
debug_rbd = 0/0
debug_journaler = 0/0
debug_objectcatcher = 0/0
debug_client = 0/0
debug_osd = 0/0
debug_optracker = 0/0
debug_objclass = 0/0
debug_filestore = 0/0
debug_journal = 0/0
debug_ms = 0/0
debug_monc = 0/0
debug_tp = 0/0
debug_auth = 0/0
debug_finisher = 0/0
debug_heartbeatmap = 0/0
debug_perfcounter = 0/0
debug_asok = 0/0
debug_throttle = 0/0
debug_mon = 0/0
debug_paxos = 0/0
debug_rgw = 0/0
osd_op_num_threads_per_shard = 1 //You may want to try with 1 as well
osd_op_num_shards = 5    //Depends on your cpu util
ms_nocrc = true
cephx_sign_messages = false
cephx_require_signatures = false
ms_dispatch_throttle_bytes = 0
throttler_perf_counter = false
[osd]
osd_client_message_size_cap = 0
osd_client_message_cap = 0
osd_enable_op_tracker = false
EOF

### Setup monitor and keyrings
############
ceph-deploy mon create-initial
ceph-deploy admin $NODE
sudo chmod a+r /etc/ceph/ceph.client.admin.keyring

### Setup OSD
############
if [ -n "$DATA" ]; then
  ceph-deploy disk zap $NODE:$DATA
  if [ -n "$JRNL" ]; then
    ceph-deploy disk zap $NODE:$JRNL
    ceph-deploy osd create $NODE:$DATA:$JRNL
  else
    ceph-deploy osd create $NODE:$DATA
  fi
else
  mkdir $CEPHDIR
  ceph-deploy osd prepare $NODE:$CEPHDIR
  ceph-deploy osd activate $NODE:$CEPHDIR
fi

popd

prepare.sh

#!/bin/bash
set -x
set -e

apt-get update
apt-get install curl python-pip build-essential