Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 5 Dec 2002 10:09:07 +1030
From:      Greg 'groggy' Lehey <grog@FreeBSD.org>
To:        Adam Laurie <adam@algroup.co.uk>
Cc:        questions@FreeBSD.org
Subject:   Re: vinum documentation
Message-ID:  <20021204233907.GA91963@wantadilla.lemis.com>
In-Reply-To: <3DE87950.6000201@algroup.co.uk>
References:  <3DE244ED.8000903@algroup.co.uk> <20021125224557.GJ41068@wantadilla.lemis.com> <3DE353C7.5080704@algroup.co.uk> <20021126232050.GB21404@wantadilla.lemis.com> <3DE5EAA0.4030009@algroup.co.uk> <20021129020137.GC8307@wantadilla.lemis.com> <3DE74326.7080302@algroup.co.uk> <20021130005821.GD17834@wantadilla.lemis.com> <3DE87950.6000201@algroup.co.uk>

next in thread | previous in thread | raw e-mail | index | archive | help
On Saturday, 30 November 2002 at  8:39:44 +0000, Adam Laurie wrote:
> Greg 'groggy' Lehey wrote:
>
>>>
>>> describe the procedure for unplugging the external chassis from
>>> machine A, and plugging it into machine B, and bringing up the vinum
>>> RAID without re-initialising it (i.e. preserving the data already on
>>> it).
>>
>>
>> 1.  On machine A, stop Vinum.  Depending on the hardware, you may need
>>    to shut down.
>> 2.  Remove the chassis from machine A.
>> 3.  Connect the chassis to machine B. Depending on the hardware, you
>>    may need to shut down.
>> 4.  If you haven't rebooted machine B, run camcontrol rescan on the
>>    SCSI bus to discover the new disks.
>> 5.  Run 'vinum start'.
>
> are you saying that at this point vinum will scan all disk busses and
> decide for itself that the raid exists, and reconstruct /dev/vinum?

Yes.

> i know you've said in a previous post that /dev/vinum "isn't
> important", but since it contains mount points etc, i assume it's
> reasonably vital... anyway, our experience when we complete the
> steps above was that /dev/vinum/raid1 etc. didn't exist, so we
> couldn't mount the volume, which is why we went on to perform the
> other steps i described.

It looks like you got confused at some point.  It's unlikely that you
can still reconstruct what happened.

Greg
--
When replying to this message, please copy the original recipients.
If you don't, I may ignore the reply or reply to the original recipients.
For more information, see http://www.lemis.com/questions.html
See complete headers for address and phone numbers

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021204233907.GA91963>