From: John McMonagle <johnm@advocap.org>
To: Luca Berra <bluca@comedia.it>
Cc: linux-raid@vger.kernel.org
Subject: Re: Can uuid of raid array be changed?
Date: Mon, 18 Apr 2005 20:05:22 -0500 [thread overview]
Message-ID: <42645952.1050504@advocap.org> (raw)
In-Reply-To: <20050418071351.GB30849@percy.comedia.it>
Luca Berra wrote:
> On Sun, Apr 17, 2005 at 05:04:13PM -0500, John McMonagle wrote:
>
>> Need to duplicate some computers that are using raid 1.
>>
>> I was thinking of just adding adding an extra drive and then moving
>> it to the new system. The only problem is the clones will all have
>> the same uuids. If at some later date the drives got mixed up I
>> could see a possibilities for disaster. Not exactly likely as the
>> computers will be in different cities.
>>
>> Is there a way to change the uuid if a raid array?
>> Is it really worth worrying about?
>>
> you can recreate the array, this will not damage existing data.
>
> L.
>
Thanks
I'll try it.
I suspect I'll find out real quick but do you need to a
--zero-superblock on all devices making the raid arrays?
Will this damage the lvm2 superblock info?
Probably a good idea to do a vgcfgback just to be safe..
John
next prev parent reply other threads:[~2005-04-19 1:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-17 22:04 Can uuid of raid array be changed? John McMonagle
2005-04-18 7:13 ` Luca Berra
2005-04-19 1:05 ` John McMonagle [this message]
2005-04-19 6:56 ` Luca Berra
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