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Date: Mon, 8 Dec 2008 21:56:20 -0800 (PST)
From: Michael Jensen <beachhangar@yahoo.com>
Subject: Re: [linux-lvm] lvm utilities, metadata format, CRC (checksum)
In-Reply-To: <20081206020138.GE26097@agk.fab.redhat.com>
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=A0
Below is a "cleaned up" version of the posting from Nov 2007 to clone a vol=
ume group.
Did I correctly interpret the instructions/text??
=A0
=A0
From: Alasdair G Kergon <agk redhat com>=20
To: LVM general discussion and development <linux-lvm redhat com>=20
Subject: Re: [linux-lvm] Steps to "clone" a volume group=20
Date: Thu, 22 Nov 2007 16:05:40 +0000=20
---------------------------------------------------------------------------=
-----
=A0

> 1. For each original PV, create a filter entry in /etc/lvm/lvm.conf to
> temporarily mask the PV from the LVM tools.

> 2. Create a temporary alternative lvm system directory holding=20
> a copy of lvm.conf that has filters to accept only
> the new copies of the PVs and set LVM_SYSTEM_DIR to use it.
> 3. Create the cloned PV(s)
> 4. Modify the cloned volume group name, ID and physical volume IDs to
> avoid name and UUID clashes between the original and cloned devices:
(with LVM_SYSTEM_DIR set)
=A0
> 5. Remove filtering rules & verify both VGs co-exist correctly
> 6. discard LVM_SYSTEM_DIR env var & directory

--- On Fri, 12/5/08, Alasdair G Kergon <agk@redhat.com> wrote:

From: Alasdair G Kergon <agk@redhat.com>
Subject: Re: [linux-lvm] lvm utilities, metadata format, CRC (checksum)
To: "Michael Jensen" <beachhangar@yahoo.com>
Cc: linux-lvm@redhat.com
Date: Friday, December 5, 2008, 6:01 PM

On Fri, Dec 05, 2008 at 04:07:30PM -0800, Michael Jensen wrote:
> - what is the best tool to use to search all the archive files?

Google.

> - what sequence are you suggesting with the tools that will avoid the
duplicate found??
 =A0
You're doing nothing new here - read the archives.

Alasdair
--=20
agk@redhat.com

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linux-lvm mailing list
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=0A=0A=0A      
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<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><DIV>&nbsp;</DIV>
<DIV>Below is a "cleaned up" version of the posting from Nov 2007 to clone a volume group.</DIV>
<DIV>Did I correctly interpret the instructions/text??</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>From: Alasdair G Kergon &lt;agk redhat com&gt; <BR>To: LVM general discussion and development &lt;linux-lvm redhat com&gt; <BR>Subject: Re: [linux-lvm] Steps to "clone" a volume group <BR>Date: Thu, 22 Nov 2007 16:05:40 +0000 </DIV>
<DIV>--------------------------------------------------------------------------------</DIV>
<DIV>&nbsp;</DIV>
<DIV><BR>&gt; 1. For each original PV, create a filter entry in /etc/lvm/lvm.conf to<BR>&gt; temporarily mask the PV from the LVM tools.</DIV>
<DIV><BR>&gt; 2. Create a temporary alternative lvm system directory holding <BR>&gt; a copy of lvm.conf that has filters to accept only<BR>&gt; the new copies of the PVs and set LVM_SYSTEM_DIR to use it.</DIV>
<DIV>&gt; 3. Create the cloned PV(s)</DIV>
<DIV>&gt; 4. Modify the cloned volume group name, ID and physical volume IDs to<BR>&gt; avoid name and UUID clashes between the original and cloned devices:</DIV>
<DIV>(with LVM_SYSTEM_DIR set)<BR>&nbsp;<BR>&gt; 5. Remove filtering rules &amp; verify both VGs co-exist correctly</DIV>
<DIV>&gt; 6. discard LVM_SYSTEM_DIR env var &amp; directory<BR><BR>--- On <B>Fri, 12/5/08, Alasdair G Kergon <I>&lt;agk@redhat.com&gt;</I></B> wrote:<BR></DIV>
<BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid">From: Alasdair G Kergon &lt;agk@redhat.com&gt;<BR>Subject: Re: [linux-lvm] lvm utilities, metadata format, CRC (checksum)<BR>To: "Michael Jensen" &lt;beachhangar@yahoo.com&gt;<BR>Cc: linux-lvm@redhat.com<BR>Date: Friday, December 5, 2008, 6:01 PM<BR><BR><PRE>On Fri, Dec 05, 2008 at 04:07:30PM -0800, Michael Jensen wrote:
&gt; - what is the best tool to use to search all the archive files?

Google.

&gt; - what sequence are you suggesting with the tools that will avoid the
duplicate found??
 &nbsp;
You're doing nothing new here - read the archives.

Alasdair
-- 
agk@redhat.com

_______________________________________________
linux-lvm mailing list
linux-lvm@redhat.com
https://www.redhat.com/mailman/listinfo/linux-lvm
read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
</PRE></BLOCKQUOTE></td></tr></table><br>



      
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