Storage Management (ASM ACFS DNFS ODM) (MOSC)

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acfs snap size

edited Oct 18, 2019 3:48AM in Storage Management (ASM ACFS DNFS ODM) (MOSC) 15 commentsAnswered

Hi,

this is Marco, I'm new to ACFS and snaps, and I have 2 questions.

We have an acfs filesystem of 2.3TB where there are 8 snaps. The command acfsutil info fs shows a snapshot total size of 5.9TB which the filesystem cannot reach.

Could someone explain where the difference in size come from?

Is there a way to compute the exact size of a snapshot? I think "du -hs" from operating system is not telling the real size, because immediately after a snap creation it shows the same size of the parent.

Following extract from command line outputs, in green the actual size and in red the size that I would like to understand where it comes from:

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