添加 '存储/ceph/p版本安装/10-创建存储策略并和pool关联.md'

存储/ceph/p版本安装/10-创建存储策略并和pool关联.md

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+1. 添加池
+```shell
+# ceph osd pool create ssdpool 256 256
+# ceph osd pool create hddpool 256 256
+## 列出池
+# ceph osd lspools
+1 .mgr
+2 ssdpool
+3 hddpool
+```
+2. 创建规则以使用该设备
+```shell
+# ceph osd crush rule create-replicated ssd default host ssd
+# ceph osd crush rule create-replicated hdd default host hdd
+## 查看池规则
+# ceph osd crush rule ls
+replicated_rule
+ssd
+hdd
+```
+3. 将池设置为使用规则
+```shell
+ceph osd pool set ssdpool crush_rule ssd
+ceph osd pool set hddpool crush_rule hdd
+```
+4. 删除池
+```shell
+## 删除池时，池的名字要输入2次
+# ceph osd pool rm testpool --yes-i-really-really-mean-it
+Error EPERM: WARNING: this will *PERMANENTLY DESTROY* all data stored in pool testpool.  If you are *ABSOLUTELY CERTAIN* that is what you want, pass the pool name *twice*, followed by --yes-i-really-really-mean-it.
+
+# ceph osd pool rm testpool testpool --yes-i-really-really-mean-it
+```