如何利用ceph-deploy

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利用ceph-deploy

利用ceph-deploy安装ceph非常简单，可以在安装后根据需要调整ceph.conf。

mkdir ceph-deploy; cd ceph-deploy
ceph-deploy install $cluster
ceph-deploy new cephnode-01 cephnode-02 cephnode-03
ceph-deploy --overwrite-conf mon create cephnode-01 cephnode-02 cephnode-03
ceph-deploy gatherkeys cephnode-01
ceph-deploy osd create \
    cephnode-01:/dev/sdb:/dev/sda5 \
    cephnode-01:/dev/sdc:/dev/sda6 \
    cephnode-01:/dev/sdd:/dev/sda7 \
    cephnode-02:/dev/sdb:/dev/sda5 \
    cephnode-02:/dev/sdc:/dev/sda6 \
    cephnode-02:/dev/sdd:/dev/sda7 \
    cephnode-03:/dev/sdb:/dev/sda5 \
    cephnode-03:/dev/sdc:/dev/sda6 \
    cephnode-03:/dev/sdd:/dev/sda7 \
    cephnode-04:/dev/sdb:/dev/sda5 \
    cephnode-04:/dev/sdc:/dev/sda6 \
    cephnode-04:/dev/sdd:/dev/sda7 \
    cephnode-05:/dev/sdb:/dev/sda5 \
    cephnode-05:/dev/sdc:/dev/sda6 \
    cephnode-05:/dev/sdd:/dev/sda7

利用ceph-deploy进行卸载：

ceph-deploy purgedata $cluster
ceph-deploy purge $cluster

for host in $cluster
  do
    ssh $host <<EOF
      sudo dd if=/dev/zero of=/dev/sdb bs=1M count=100
      sudo dd if=/dev/zero of=/dev/sdc bs=1M count=100
      sudo dd if=/dev/zero of=/dev/sdd bs=1M count=100
      sudo sgdisk -g --clear /dev/sdb
      sudo sgdisk -g --clear /dev/sdc
      sudo sgdisk -g --clear /dev/sdd
    EOF
  done

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