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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                **一、部署MDS** 1、在ceph-deploy節點執行ceph-deploy命令為其他OSD節點創建MDS。 `ceph-deploy --overwrite-conf mds create WLWJFX67` 可以創建多臺MDS主機。 2、MDS需要使用兩個Pool,一個Pool是用來存儲數據,一個是用來存儲元數據。 ~~~ ceph osd pool create fs_data <pg_num> ###存數據 ceph osd pool create fs_metadata <pg_num> ###存元數據 ~~~ ###pg數目計算方法: ` Total PGs = (OSDs * 100)/ pool size` ###OSDS為osd的總數 ####pool size為副本數 **匯總后應該接近 2 的冪。當結果超過較小2次冪數值得25%,則選擇較大的2次冪作為最終結果,反之則選擇較小的那個2次冪數值。** 3、創建一個Ceph FS `ceph fs new cephfs fs_metadata fs_data` 4、查看創建的Ceph FS `ceph fs ls` **二、掛載** 掛載整個文件系統: `mount -t ceph monhost:/ /mnt/foo` 如果有多個監視器: `mount -t ceph monhost1,monhost2,monhost3:/ /mnt/foo` 如果 ceph-mon(8) 運行于非默認端口: `mount -t ceph monhost1:7000,monhost2:7000,monhost3:7000:/ /mnt/foo` /mnt/foo 為每個節點的本地掛載目錄,需自行創建 如需要秘鑰認證: `sudo mount -t ceph 10.255.213.133:6789,10.255.213.134:6789,10.255.213.135:6789:/ /mnt/ceph -o name=admin,secret=AQCWNhZaRSW+DRAAI5h7hyKX9pwwbG71QwxhTg==` **name和secret可通過 sudo ceph auth list 查看** 掛載結果: 10.255.213.133:6789,10.255.213.134:6789,10.255.213.135:6789:/ 786T **三、目錄說明** 1、ceph osd數據目錄的結構如下(包含journal, 數據等) : ~~~ [root@osd1 ceph-0]# pwd /var/lib/ceph/osd/ceph-0 [root@osd1 ceph-0]# ll total 1048616 -rw-r--r-- 1 root root 37 Dec 2 08:52 ceph_fsid drwxr-xr-x 68 root root 4096 Dec 2 09:00 current -rw-r--r-- 1 root root 37 Dec 2 08:52 fsid -rw-r--r-- 1 root root 1073741824 Dec 2 09:00 journal -rw------- 1 root root 56 Dec 2 08:52 keyring -rw-r--r-- 1 root root 21 Dec 2 08:52 magic -rw-r--r-- 1 root root 6 Dec 2 08:52 ready -rw-r--r-- 1 root root 4 Dec 2 08:52 store_version -rw-r--r-- 1 root root 53 Dec 2 08:52 superblock -rw-r--r-- 1 root root 0 Dec 2 08:59 sysvinit -rw-r--r-- 1 root root 2 Dec 2 08:52 whoami ~~~
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                              哎呀哎呀视频在线观看