From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Wed, 12 Mar 2014 15:58:31 +0000
From: Alasdair G Kergon <agk@redhat.com>
Message-ID: <20140312155830.GA15638@agk-dp.fab.redhat.com>
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Subject: Re: [linux-lvm] Segmentation fault in LVM2 latest version.
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To: xiaowei <xiaowei.hu@oracle.com>
Cc: zkabelac@redhat.com, Joe Jin <joe.jin@oracle.com>, linux-lvm@redhat.com

Reproduced with upstream code.

On Tue, Mar 11, 2014 at 04:34:38PM +0800, xiaowei wrote:
> I tracked this a little more, and found that it's due to the strip 1  
> parameter and when the first PV leaves no enough extends, it need 2 area  

It only needs 1 area - that part is correct - but it's still behaving as if
it's setting up an N-stripe extension where it pairs up the allocations with
the original stripes.

Alasdair