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From: "Gang He" <ghe@suse.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Can't work normally after attaching disk volumes originally in a VG on another machine
Date: Mon, 26 Mar 2018 23:55:57 -0600	[thread overview]
Message-ID: <5ABA4D6D020000F9000B1E44@prv-mh.provo.novell.com> (raw)
In-Reply-To: <CAD+pdNdPKmHb7BQfT4DUj2M+=yy1P3JYtXO4GjNRXn2QA_cwwA@mail.gmail.com>

Hi Fran,


>>> 
> On 26 March 2018 at 08:04, Gang He <ghe@suse.com> wrote:
>> It looks like each PV includes a copy meta data for VG, but if some PV has 
> changed (e.g. removed, or moved to another VG),
>> the remained PV should have a method to check the integrity when each 
> startup (activated?), to avoid such inconsistent problem automatically.
> 
> Your workflow is strange. What are you trying to accomplish here?
I just reproduced a problem from the customer, since they did virtual disk migration from one virtual machine  to another one.
According to your comments, this does not look like a LVM code problem, 
the problem can be considered as LVM administer misoperation?

Thanks
Gang   

> 
> Your steps in 5 should be:
> 
> vgreduce vg01 /dev/vdc /dev/vdc
> pvremove /dev/vdc /dev/vdd
> 
> That way you ensure there's no leftover metadata in the PVs (specially
> if you need to attach those disks to a different system)
> 
> Again a usecase to understand your workflow would be beneficial...
> 
> Cheers
> 
> fran
> 
> _______________________________________________
> 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/

  reply	other threads:[~2018-03-27  5:56 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-23  8:30 [linux-lvm] Can't work normally after attaching disk volumes originally in a VG on another machine Gang He
2018-03-23  9:04 ` Xen
2018-03-26  6:04   ` Gang He
2018-03-26 10:17     ` Fran Garcia
2018-03-26 10:23     ` Fran Garcia
2018-03-27  5:55       ` Gang He [this message]
2018-03-27  8:32         ` Zdenek Kabelac
2018-03-28  2:09           ` Gang He
2018-03-27  9:12         ` Xen
2018-03-27 10:22           ` Zdenek Kabelac
2018-03-27 10:27             ` Xen
2018-03-27 22:17               ` Zdenek Kabelac
2018-03-28 10:08                 ` Xen
2018-03-26 10:46     ` Zdenek Kabelac
2018-05-18  4:56       ` Gang He
2018-03-26 11:33     ` Xen
2018-10-16 20:59 ` [linux-lvm] [lvm-devel] " Nir Soffer

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