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  • Vertica增加一个数据存储的目录

    Vertica增加一个数据存储的目录
    操作语法为:
    ADD_LOCATION ( 'path' , [ 'node' , 'usage', 'location_label' ] )

    1. 各节点添加目录,并赋予正确的权限
    2. vsql命令行下添加对应的目录
    3. 查询验证

    1. 各节点添加目录,并赋予正确的权限

    比如新增/verticadata2挂节点,需求为在/verticadata2挂节点下新增目录vertica,用于Vertica的数据目录。 各节点执行 `mkdir -p /verticadata2/vertica;chown -R dbadmin:verticadba /verticadata2/vertica;ls -lh /verticadata2` 实现创建目录,赋权,检查是否正确。

    实操过程记录:

    [root@vertica1 ~]# mkdir -p /verticadata2/vertica;chown -R dbadmin:verticadba /verticadata2/vertica;ls -lh /verticadata2
    总用量 20K
    drwx------ 2 root    root        16K 6月   3 10:08 lost+found
    drwxr-xr-x 2 dbadmin verticadba 4.0K 6月   3 10:40 vertica
    [root@vertica1 ~]# ssh vertica2
    root@vertica2's password: 
    Last login: Wed Jun  3 10:36:38 2015 from vertica1
    [root@vertica2 ~]# mkdir -p /verticadata2/vertica;chown -R dbadmin:verticadba /verticadata2/vertica;ls -lh /verticadata2
    总用量 20K
    drwx------ 2 root    root        16K 6月   3 10:14 lost+found
    drwxr-xr-x 2 dbadmin verticadba 4.0K 6月   3 10:41 vertica
    [root@vertica2 ~]# ssh vertica3
    root@vertica3's password: 
    Last login: Wed Jun  3 10:37:01 2015 from vertica2
    [root@vertica3 ~]# mkdir -p /verticadata2/vertica;chown -R dbadmin:verticadba /verticadata2/vertica;ls -lh /verticadata2
    总用量 20K
    drwx------ 2 root    root        16K 6月   3 09:58 lost+found
    drwxr-xr-x 2 dbadmin verticadba 4.0K 6月   3 10:41 vertica
    [root@vertica3 ~]# exit
    logout
    Connection to vertica3 closed.
    [root@vertica2 ~]# exit
    logout
    Connection to vertica2 closed.
    [root@vertica1 ~]# 
    

    2. vsql命令行下添加对应的目录

    查询节点名称: `select node_name from nodes;` 在节点1执行下面的添加目录命令即可。 ``` SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0001','DATA'); SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0002','DATA'); SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0003','DATA'); ```

    实操过程记录:

    [root@vertica1 ~]# su - dbadmin
    [dbadmin@vertica1 ~]$ vsql
    Password: 
    Welcome to vsql, the Vertica Analytic Database interactive terminal.
    
    Type:  h or ? for help with vsql commands
           g or terminate with semicolon to execute query
           q to quit
    
    dbadmin=> select node_name from nodes;
         node_name     
    -------------------
     v_testdb_node0001
     v_testdb_node0002
     v_testdb_node0003
    (3 rows)
    
    dbadmin=> SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0001','DATA');
    SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0002','DATA');
    SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0003','DATA');
    
             ADD_LOCATION         
    ------------------------------
     /verticadata2/vertica added.
    (1 row)
    
    dbadmin=> SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0002','DATA');
    
             ADD_LOCATION         
    ------------------------------
     /verticadata2/vertica added.
    (1 row)
    
    dbadmin=> SELECT ADD_LOCATION('/verticadata2/vertica/','v_testdb_node0003','DATA');
    
             ADD_LOCATION         
    ------------------------------
     /verticadata2/vertica added.
    (1 row)
    
    dbadmin=> 
    

    3. 查询验证

    `select * from storage_locations;`
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  • 原文地址:https://www.cnblogs.com/jyzhao/p/4548747.html
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