topic Re: Are fs_size_fixed and fractional reserve changes nondisruptive? in ONTAP Discussions

Are fs_size_fixed and fractional reserve changes nondisruptive?

TMADOCTHOMAS — Wed, 04 Jun 2025 16:09:32 GMT

I have a vFiler root volume that is 5GB, and I want to resize it to <500MB because it's using very little space. I got the 'fs_size_fixed' error when attempting the resize. I've never seen this on anything other than a SnapMirror destination volume so I'm not sure how that setting got applied to this vFiler root volume, but it did.

i also noticed fractional reserve was set to 100. On all other vFiler root volumes I have it set to 0. Again, not sure how this happened but it did.

i would like to change both settings. Would either be disrptive to a CIFS vFiler?

We are on DoT 8.2.4 P4, 7-mode.

Re: Are fs_size_fixed and fractional reserve changes nondisruptive?

JGPSHNTAP — Mon, 23 Jan 2017 22:22:43 GMT

You can thin provision it and your problem will go away.

vol options volname fs_size_fixed off

Then you can either resize it.

Fractional reserve only plays into it if you have luns.

Re: Are fs_size_fixed and fractional reserve changes nondisruptive?

TMADOCTHOMAS — Tue, 24 Jan 2017 14:01:39 GMT

Thank you JGPSHNTAP. Are either option disruptive to a CIFS Server on a vFiler?

Re: Are fs_size_fixed and fractional reserve changes nondisruptive?

JGPSHNTAP — Tue, 24 Jan 2017 14:09:07 GMT

Nope

Re: Are fs_size_fixed and fractional reserve changes nondisruptive?

TMADOCTHOMAS — Tue, 24 Jan 2017 14:58:33 GMT

OK thanks. That's what I thought but wanted to verify.