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Date: Thu, 15 Oct 2015 10:47:03 -0600
From: Chris Friesen <chris.friesen@windriver.com>
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Subject: Re: [linux-lvm] unexpected behaviour of "lvresize" with sparse
	volumes
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To: Zdenek Kabelac <zdenek.kabelac@gmail.com>, LVM general discussion and development <linux-lvm@redhat.com>

On 10/15/2015 03:24 AM, Zdenek Kabelac wrote:
> Dne 15.10.2015 v 09:13 Alexey napsal(a):
>> Hello,
>>
>> If you look at the output of `lvs myvg`, then you will understand whats happens.
>> When you create thin LV without specifying option `-T`, lvm automatically
>> created TP for you with size equal to -L option.
>> And when you resize your sparsevol, your TP (auto name lvol1) still have old
>> size.
>>
>
> Mixing 2 things together.
>
> Newer lvm2 tools (then reported 2.02.98)  are now creating sparse volumes
> as a thin volume in thin-pool.
>
> Old behavior with /dev/zero snapshot is thought still available
> either with lvm.conf settings  or using  --type snapshot.

Okay, that's interesting.  Do you know when this change went in?

Chris