Re: geom_label: gpt/labelname for gmirror provider?

From: Ivan Voras <ivoras_at_freebsd.org>
Date: Tue, 14 Jul 2009 19:15:41 +0200
Harald Schmalzbauer wrote:
> Hello,
> 
> first of all thank you very much for the gpt label support in
> geom_label! This is really nice and makes disk partitioning well-arranged.

Yes, it is lots of fun.

> I tried to use the gbt/label as provider gor glabel, but that didn't
> work. It looked as if gmirror wrote the label succesfully, but `gmirror
> list` was empty. Just replacing gpt/label with ad4p2 worked as expected.
> Is it impossible by design to use gpt/label as provider?

I don't quite understand what you are asking. You create a mirror (with
"gmirror label...") and then a GPT on top of it, and then you can't see
the GPT labels? If so, then it unfortunately reminds me of this thread:
http://permalink.gmane.org/gmane.os.freebsd.questions/248884

If it's something else, please explain with more details.

> P.S. Can I disable ufsid/UFSID and gptid/GPTID? I don't think I'll ever
> use them since I create my own labels on both, GPs and UFSs. A sysctl or
> loader tunable whould be fine.

No, it's a chicken-and-the-egg problem - to use sysctls you need a
working system. Loader tunables could work but it's at best a cosmetic
request. And we can't make glabel modular (so, e.g. you load
GLABEL_GPTID or something) because it will break it for people who
expect it to "just work" for all labels at once (that's kind of the
point of glabel).




Received on Tue Jul 14 2009 - 15:16:19 UTC

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