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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                **ceph cluster for ubuntu** 1. 添加Ubuntu Ceph國內安裝源(各個節點) # export CEPH\_DEPLOY\_REPO\_URL=[https://mirrors.aliyun.com/ceph/debian-jewel](https://mirrors.aliyun.com/ceph/debian-jewel) \# echo deb https://mirrors.aliyun.com/ceph/debian-jewel/ $(lsb\_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list 2\. 安裝密鑰(各個節點) 把秘鑰加入系統的可信密鑰列表內,以消除安全警告。 \# export CEPH\_DEPLOY\_GPG\_URL=[https://mirrors.aliyun.com/ceph/keys/release.asc](https://mirrors.aliyun.com/ceph/keys/release.asc) \# wget -q -O- 'http://mirrors.aliyun.com/ceph/keys/release.asc' | sudo apt-key add - 3. 在master上安裝ceph-deploy。 \# sudo apt-get update && sudo apt-get install ceph-deploy 4. ceph節點安裝 安裝ntp: \# sudo apt-get install ntp 安裝 SSH 服務器: # sudo apt-get install openssh-server 5\. 允許無密碼 SSH 登錄 \# ssh-keygen \# ssh-copy-id ip # vim /etc/hosts # ssh hostname \====>yes 6\. 開放所需端口 # sudo firewall-cmd --zone=public --add-port=6789/tcp --permanent # sudo iptables -A INPUT -i {iface} -p tcp -s {ip-address}/{netmask} --dport 6789 -j ACCEPT Eg : iptables -A INPUT -i ens33 -p tcp -s 192.168.166.131/24 --dport 6789 -j ACCEPT # iptables-save 注意: {iface}: 網卡名稱 {ip-address}/{netmask}:ip/24 7\. 如果在某些地方碰到麻煩,想從頭再來,可以用下列命令清除配置: \# ceph-deploy purgedata {ceph-node} \[{ceph-node}\] \# ceph-deploy forgetkeys 用下列命令可以連 Ceph 安裝包一起清除: # ceph-deploy purge {ceph-node} \[{ceph-node}\] 8\. 集群部署 # mkdir my-cluster # cd mk~ 9\. 創建集群 # ceph-deploy new node1 1>. 在當前目錄下用ls和cat檢查ceph-deploy的輸出,應該有一個 Ceph 配置文件、一個 monitor 密鑰環和一個日志文件. 2>. 把 Ceph 配置文件里的默認副本數從3改成2,這樣只有兩個 OSD 也可以達到active?+?clean狀態。把下面這行加入\[global\]段: osd pool default size = 2 3>. 安裝ceph # ceph-deploy install admin-node node1 node2 node3 ceph-deploy將在各節點安裝 Ceph 4>. 配置初始 monitor(s)、并收集所有密鑰: # ceph-deploy mon create-initial 完成上述操作后,當前目錄里應該會出現這些密鑰環: * {cluster-name}.client.admin.keyring * {cluster-name}.bootstrap-osd.keyring * {cluster-name}.bootstrap-mds.keyring * {cluster-name}.bootstrap-rgw.keyring 10. 添加兩個 OSD 。為了快速地安裝,這篇快速入門把目錄而非整個硬盤用于 OSD 守護進程。如何為 OSD 及其日志使用獨立硬盤或分區,登錄到 Ceph 節點、并給 OSD 守護進程創建一個目錄。 \# ssh node2 # sudo mkdir /var/local/osd0 # chown -R ceph.ceph /var/local/osd0 # exit # ssh node3 # sudo mkdir /var/local/osd1 # chown -R ceph.ceph /var/local/osd1 # exit 11. 從管理節點執行ceph-deploy來準備 OSD 。 # ceph-deploy osd prepare node2:/var/local/osd0 node3:/var/local/osd1 12. 激活 OSD # ceph-deploy osd activate node2:/var/local/osd0 node3:/var/local/osd1 13\. 用?ceph-deploy?把配置文件和 admin 密鑰拷貝到管理節點和 Ceph 節點,這樣你每次執行 Ceph 命令行時就無需指定 monitor地址ceph.client.admin.keyring. \# ceph-deploy admin node1 node2 node3 ceph-deploy和本地管理主機(admin-node)通信時,必須通過主機名可達。必要時可修改/etc/hosts,加入管理主機的名字。 14. 確保你對ceph.client.admin.keyring有正確的操作權限。 # sudo chmod +r /etc/ceph/ceph.client.admin.keyring 15\. 創建mgr. \# ceph-deploy mgr create node2 node3 16\. 檢查集群的健康狀況. # ceph health **HEALTH\_OK** # ceph status ``` **cluster:** ** id: dd1ba902-e104-45d1-b870-7c40593c6d14** ** health: HEALTH\_OK** ** services:** ** mon: 1 daemons, quorum a1** ** mgr: a2(active), standbys: a3** ** osd: 2 osds: 2 up, 2 in** ** data:** ** pools: 0 pools, 0 pgs** ** objects: 0 objects, 0 bytes** ** usage: 2050 MB used, 18429 MB / 20480 MB avail** ** pgs:** ```
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