ORA-15063: ASM discovered an insufficient number of disks for diskgroup “string”

文档解释

ORA-15063: ASM discovered an insufficient number of disks for diskgroup “string”

Cause: ASM was unable to find a sufficient number of disks belonging to the diskgroup to continue the operation.

Action: Check that the disks in the diskgroup are present and functioning, that the owner of the ORACLE binary has read/write permission to the disks, and that the ASM_DISKSTRING initialization parameter has been set correctly. Verify that ASM discovers the appropriate disks by querying V$ASM_DISK from the ASM instance.

ORA-15063 错误指出某个 ASM 磁盘组发现磁盘数量不足以满足其内容。

官方解释

ORA-15063 occurs when ASM finds an insufficient number of disks for a diskgroup. A diskgroup requires at least two (2) disks.

常见情况:

ORA-15063 错误通常会在创建一个新的磁盘组时发生,或者在尝试添加更多磁盘以增加对磁盘组的支持时发生。

一般处理方法及步骤

1. 仔细检查磁盘组,以确定它是否包含至少两个磁盘。

2. 如果只有一个磁盘,请确保磁盘可见(可识别),并且可以将其添加到磁盘组中。

3. 如果还没有足够的磁盘来支持磁盘组,请添加新的磁盘到磁盘组。如果没有新磁盘,请参考虚拟配置文档,以查看如何在虚拟环境中添加新磁盘。

4. 为磁盘组添加一个新的磁盘后,请使用以下命令以查看磁盘的状态:

SQL> SELECT name,total_mb,used_mb,free_mb FROM V$ASM_DISKGROUP;

5. 确认磁盘组的磁盘数量是及时增加的,检查是否有新的磁盘添加进该磁盘组。

6. 在磁盘组中适当地配置新的磁盘,并使用 “ALTER DISKGROUP” 语句激活磁盘组。

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