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Oracle® Database 2 Day DBA
11g Release 1 (11.1)

Part Number B28301-01
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Monitoring Disk Group Space Usage

To view Automatic Storage Management (ASM) disk group usage and free space:

  1. Go to the ASM Home page.

    See "Accessing the Automatic Storage Management Home Page".

  2. Click the Disk Groups link to view the Disk Groups subpage.

  3. If the Automatic Storage Management Login page appears, log in as the SYS user, connecting as SYSASM. Provide the SYS password was set up for ASM when the ASM instance was created.

The Disk Groups subpage displays all disk groups with their space usage information.

Description of asm_admin_page_11g_b4.gif follows
Description of the illustration asm_admin_page_11g_b4.gif


The Usable Free column displays the space in gigabytes (GB) that is actually available in the disk group. It takes into account the redundancy level of the disk group, and excludes the space that the disk group reserves for restoring full redundancy for all files in the disk group after a disk failure.