From owner-freebsd-geom@FreeBSD.ORG  Tue Aug 22 19:16:23 2006
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To: Eric Anderson <anderson@centtech.com>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Tue, 22 Aug 2006 14:13:38 EST."
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Date: Tue, 22 Aug 2006 19:16:20 +0000
Message-ID: <60418.1156274180@critter.freebsd.dk>
Cc: freebsd-geom@freebsd.org
Subject: Re: retasting devices on demand 
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In message <44EB5762.7080109@centtech.com>, Eric Anderson writes:

>How can I get a particular GEOM class to re-taste devices on demand?

Phrased just like that there is no way.

>have an issue that geom label won't see new labels (UFS labels), and 
>also where I have a shared disk subsystem, where one system puts a label 
>on a device (a glabel) and the other system doesn't know to look for it 
>again.
>
>I'd really like a 'geom retaste' command - is this a reasonable option?

The easy way is to open the device for write and close it again:

	true > /dev/da0

would do it.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.