Ceph部署问题汇总
1、在不同节点安装ceph时，出现以下异常：参考这里
ceph deploy RuntimeError: NoSectionError: No section: 'ceph'
解决方法：
在报错的机器上尝试：
yum remove ceph-release
rm/etc/yum.repos.d/ceph.repo.rpmsave
执行以后再执行
ceph-deploy install adminnode1 node2 node3
2、ceph用户没有权限
执行激活osd盘时出现
ceph-deploy osd activate node2:/var/local/osd0 node3:/var/local/osd1
ceph_disk.main.Error: Error: ['ceph-osd', '--cluster', 'ceph', '--mkfs', '--mkkey', '-i', '1', '--monmap', '/var/local/osd1/activate.monmap', '--osd-data', '/var/local/osd1', '--osd-journal', '/var/local/osd1/journal', '--osd-uuid', 'ee9c4a6c-e2b5-46cd-9e91-fd5d6f36fd57', '--keyring', '/var/local/osd1/keyring', '--setuser', 'ceph', '--setgroup', 'ceph'] failed : 2016-08-31 16:38:58.909449 7f48adbb7800 -1 filestore(/var/local/osd1) mkfs: write_version_stamp() failed: (13) Permission denied
2016-08-31 16:38:58.909475 7f48adbb7800 -1 OSD::mkfs: ObjectStore::mkfs failed with error -13
2016-08-31 16:38:58.909529 7f48adbb7800 -1** ERROR: error creating empty object store in /var/local/osd1: (13) Permission denied
RuntimeError: command returned non-zero exit status: 1
RuntimeError: Failed to execute command: /usr/sbin/ceph-disk -v activate --mark-init systemd --mount /var/local/osd1
解决方法
chown ceph:ceph/var/local/osd0
chown ceph:ceph/var/local/osd1
创建成功ceph健康状况良好
3、RuntimeError: bootstrap-rgw keyring not found; run 'gatherkeys'
root@admin ceph]# ceph-deploy rgw create node2
found configuration file at: /root/.cephdeploy.conf
Invoked (1.5.34): /usr/bin/ceph-deploy rgw create node2
ceph-deploy options:
username : None
verbose : False
rgw : [('node2', 'rgw.node2')]
overwrite_conf : False
subcommand : create
quiet : False
cd_conf :
cluster : ceph
func :
ceph_conf : None
default_release : False
Deploying rgw, cluster ceph hosts node2:rgw.node2
RuntimeError: bootstrap-rgw keyring not found; run 'gatherkeys'
执行如下命令解决
ceph-deploy gatherkeys node2
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