问题一、RuntimeError: bootstrap-osd keyring not found; run ‘gatherkeys’
当执行ceph-deploy命令时，提示找不到keyring文件。
解决思路：首先前往部署文件夹/etc/ceph-cluster/，检查密钥文件是否存在，不存在的话执行gatherkeys命令收集
ceph-deploy gatherkeys <部署节点hostname>
#例
ceph-deploy gatherkeys node49
执行后的正确输出如下
[ceph_deploy.conf][DEBUG ] found configuration file at: /root/.cephdeploy.conf
[ceph_deploy.cli][INFO ] Invoked (2.0.1): /usr/bin/ceph-deploy gatherkeys node49
[ceph_deploy.cli][INFO ] ceph-deploy options:
[ceph_deploy.cli][INFO ] username : None
[ceph_deploy.cli][INFO ] verbose : False
[ceph_deploy.cli][INFO ] overwrite_conf : False
[ceph_deploy.cli][INFO ] quiet : False
[ceph_deploy.cli][INFO ] cd_conf : <ceph_deploy.conf.cephdeploy.Conf instance at 0x7f4436b7d488>
[ceph_deploy.cli][INFO ] cluster : ceph
[ceph_deploy.cli][INFO ] mon : ['node49']
[ceph_deploy.cli][INFO ] func : <function gatherkeys at 0x7f4436dc49b0>
[ceph_deploy.cli][INFO ] ceph_conf : None
[ceph_deploy.cli][INFO ] default_release : False
[ceph_deploy.gatherkeys][INFO ] Storing keys in temp directory /tmp/tmpwck71_
[node49][DEBUG ] connected to host: node49
[node49][DEBUG ] detect platform information from remote host
[node49][DEBUG ] detect machine type
[node49][DEBUG ] get remote short hostname
[node49][DEBUG ] fetch remote file
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --admin-daemon=/var/run/ceph/ceph-mon.node49.asok mon_status
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-node49/keyring auth get client.admin
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-node49/keyring auth get client.bootstrap-mds
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-node49/keyring auth get client.bootstrap-mgr
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-node49/keyring auth get client.bootstrap-osd
[node49][INFO ] Running command: /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-node49/keyring auth get client.bootstrap-rgw
[ceph_deploy.gatherkeys][INFO ] keyring 'ceph.client.admin.keyring' already exists
[ceph_deploy.gatherkeys][INFO ] Storing ceph.bootstrap-mds.keyring
[ceph_deploy.gatherkeys][INFO ] Storing ceph.bootstrap-mgr.keyring
[ceph_deploy.gatherkeys][INFO ] Storing ceph.mon.keyring
[ceph_deploy.gatherkeys][INFO ] Storing ceph.bootstrap-osd.keyring
[ceph_deploy.gatherkeys][INFO ] Storing ceph.bootstrap-rgw.keyring
[ceph_deploy.gatherkeys][INFO ] Destroy temp directory /tmp/tmpwck71_
[root@node49 ceph-cluster]# ll
总用量 56
-rw------- 1 root root 113 12月 13 11:25 ceph.bootstrap-mds.keyring
-rw------- 1 root root 113 12月 13 11:25 ceph.bootstrap-mgr.keyring
-rw------- 1 root root 113 12月 13 11:25 ceph.bootstrap-osd.keyring
-rw------- 1 root root 113 12月 13 11:25 ceph.bootstrap-rgw.keyring
-rw------- 1 root root 63 12月 13 10:36 ceph.client.admin.keyring
-rw-r--r-- 1 root root 346 12月 13 10:34 ceph.conf
-rw-r--r-- 1 root root 24602 12月 13 11:25 ceph-deploy-ceph.log
-rw------- 1 root root 77 12月 13 11:25 ceph.mon.keyring
问题二、 stderr: Error EEXIST: entity osd.0 exists but key does not match
增加osd时提示存在osd的key信息
解决思路：直接删除遗漏的osd的key信息
ceph auth del osd.{osd-id}
#例
ceph auth del osd.0
问题三：RuntimeError: command returned non-zero exit status: 1
将原本作为osd存储介质的数据盘以新osd加入集群时提示文章来源：https://www.toymoban.com/news/detail-759785.html
解决思路：格式化掉磁盘后再次执行增加操作文章来源地址https://www.toymoban.com/news/detail-759785.html
sgdisk -Z /dev/sd<x>
#例
sgdisk -Z /dev/sdb
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