集群状态
| command | example | description |
|---|---|---|
| ceph version | 集群组件版本 | |
| ceph -s | 集群健康状况、节点调度信息等 | |
| ceph health detail | 集群健康状况细节 | |
| ceph df | 集群中存储量的概览和细节 | |
| ceph osd stat | 查看集群osd实例概览 | |
| ceph osd df | 集群中每个osd的容量使用情况 | |
| rados df | 查看每个pool使用情况 | |
| ceph osd pool ls | 列出pool | |
| ceph osd pool ls detail | 列出pool及细节 | |
| ceph crash ls | 列出所有崩溃问题 | |
| ceph crash ls-new | 列出新出现的崩溃问题 | |
| ceph crash info |
ceph crash info 2023-02-01….. | 展示具体崩溃问题信息 |
| ceph crash archive |
ceph crash archive 2023-02-01.. | 归档指定崩溃问题 |
| ceph crash archive-all | 归档所有崩溃问题（解决WARN） | |
| ceph daemon osd. |
ceph daemon osd.3 config show | 查看运行中的osd配置 |
osd
| command | example | description |
|---|---|---|
| ceph osd tree | ||
| 它提供了每个OSD的列表还包括类、权重、状态，OSD所在的节点，以及任何重新加权或优先级 | ||
| ceph osd find |
ceph osd find 8 | 快速定位osd机器位置等信息 |
| ceph osd down |
ceph osd down 0 | 下线osd，此osd不再接收读写操作，但是还活着 |
| ceph osd up |
ceph osd up 0 | 拉起osd，该osd开始接收读写 |
| ceph osd out |
ceph osd out 0 | 将osd驱逐出集群，此时可对此osd进行维护 |
| ceph osd in |
ceph osd in 0 | 将osd加入集群 |
| ceph osd rm |
ceph osd rm 0 | 在集群中删除一个 osd,可能需要先 stop 该 osd,即 systemctl stop osd.0 |
| ceph osd crush rm |
ceph osd crush rm node1 | 在集群中删除一个host节点 |
| ceph osd getmaxosd | ||
| 查看最大osd的个数及当前osd个数（如开启动态调整部署，则自适应无需设置） | ||
| ceph osd setmaxosd |
ceph osd setmaxosd 20 | 设置最大osd个数 |
| ceph osd pause | ||
| 暂停osd服务，整个集群不再接收数据 | ||
| ceph osd unpause | ||
| 开启osd服务，开启后再次接收数据 |
pool
| command | example | description |
|---|---|---|
| ceph osd pool create |
ceph osd pool create test_pool | 创建pool, pg_num可选, 通常结合下面声明pool类型 |
| ceph osd pool application enable |
ceph osd pool application enable test_pool rbd | 受支持的类型为：cephfs、rbd、rgw |
| ceph osd pool set-quota |
ceph osd pool set-quota test_pool max_bytes $((10 * 1024 * 1024)) | 设置pool配额 |
| ceph osd pool get-quota |
ceph osd pool get-quota test_pool | 查看pool配额 |
| ceph osd pool set |
ceph osd pool set test_pool pg_num 64 | 修改pool pg_num |
| ceph osd pool set |
ceph osd pool set test_pool pgp_num 64 | 修改pool pgp_num |
| ceph osd pool set |
ceph osd pool set test_pool size 2 | 修改副本数 |
| ceph osd pool set |
ceph osd pool set test_pool min_size 1 | 修改degrade副本数 |
| ceph osd pool rename |
ceph osd pool rename test_pool test_new_pool | 重命名pool |
| ceph osd pool delete |
ceph osd pool delete test_new_pool test_new_pool –yes-i-really-really-mean-it | 删除pool，需要临时设置mon_allow_pool_delete=true才能成功删除 |
| ceph –admin-daemon /var/run/ceph/ceph-mon. |
ceph –admin-daemon /var/run/ceph/ceph-mon.ceph-pre-01.asok config set mon_allow_pool_delete true | 临时设置mon_allow_pool_delete=true |
rgw
| command | example | description |
|---|---|---|
| radosgw-admin user create –uid= |
radosgw-admin user create –uid=ohmyuser –display-name=”ohmyuser” --email=ohmyuser@ohops.org | 创建rgw用户 |
| s3cmd mb s3:// |
s3cmd mb s3://test-backup | 创建存储桶 |
| radosgw-admin bucket link –uid= |
radosgw-admin bucket link –uid=ohmyuser –bucket=test-backup | 绑定用户到存储桶 |
| radosgw-admin quota set –uid= |
radosgw-admin quota set –uid=ohmyuser –quota-scope=user –max-size=100TB | 设置用户配额 |
| radosgw-admin quota enable –quota-scope=user –uid= |
radosgw-admin quota enable –quota-scope=user –uid=ohmyuser | 开启用户配额配置 |
| adosgw-admin quota disable –quota-scope=user –uid= |
radosgw-admin quota disable –quota-scope=user –uid=ohmyuser | 关闭用户配额设置 |
| radosgw-admin quota set –uid= |
radosgw-admin quota set –uid=ohmyuser –quota-scope=bucket –max-size=100TB | 设置存储桶配额 |
| radosgw-admin quota enable –quota-scope=bucket –uid= |
radosgw-admin quota enable –quota-scope=bucket –uid=ohmyuser | 开启存储桶配额配置 |
| radosgw-admin quota disable –quota-scope=bucket –uid= |
radosgw-admin quota disable –quota-scope=bucket –uid=ohmyuser | 关闭存储桶配额设置 |
| radosgw-admin user info –uid= |
radosgw-admin user info –uid=ohmyuser | 查看rgw用户信息 |
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