Fixing vinum after removing a HDD

Stijn Hoop stijn at
Wed Feb 4 10:51:44 PST 2004

On Wed, Feb 04, 2004 at 07:41:48PM +0100, dontspamhenk at wrote:
> I'm running FreeBSD 4.8 on a system with 5 HDD's. ad0 is to be removed
> from the system. ad1, ad2 and ad3 contain my vinum drives. FreeBSD resides
> on the last disk (da0).
> Can anyone tell me if the following procedure is the right way to do it?
> 1. physically remove ad0
> 2. vinum resetconfig
> 3. change drivenumbers in vinum.conf
> 4. run vinum with the new configfile

As far as my (limited) vinum knowledge goes, you really don't need to do a

Vinum writes the configuration to the disk and reads the information from it.
I think it will be able to cope with a missing disk by itself because the
label on it has not changed; on what is now /dev/ad1s1h vinum has stored
the fact that this vinum drive is labeled 'a', and even if the freebsd
device node changes names, vinum will still know that the then /dev/ad0s1h
is labeled 'a'.

Unfortunately this is only my understanding and I haven't yet needed to
do such an operation for real. YMMV.


The right half of the brain controls the left half of the body.  This means
that only left handed people are in their right mind.
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