Oracle Version: 12.1.0.2

I had about 100 GB freespace on my +ASM diskgroup on Friday.

When I came back on Monday, I see only 45 gigs. How can I find what consumed my space?

Or is there a SQLPlus command (or) TOAD method we can use?


Your help is my salvation.

  • SQL Developer might have some pre-built Reports that are useful. How did you see "GB Free"? – Michael Kutz Oct 9 at 10:25

Just use asmcmd, where you have cd, ls and du.

If you insist on doing this through SQL, then you can use views such as V$ASM_ALIAS, V$ASM_FILE, V$ASM_DISKGROUP.

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