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From: Chris Friesen <chris.friesen@windriver.com>
To: Zdenek Kabelac <zdenek.kabelac@gmail.com>,
	LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] unexpected behaviour of "lvresize" with sparse volumes
Date: Thu, 15 Oct 2015 10:47:03 -0600	[thread overview]
Message-ID: <561FD887.6020608@windriver.com> (raw)
In-Reply-To: <561F70D7.7040302@gmail.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

  reply	other threads:[~2015-10-15 16:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-14 20:18 [linux-lvm] unexpected behaviour of "lvresize" with sparse volumes Chris Friesen
2015-10-15  7:13 ` Alexey
2015-10-15  9:24   ` Zdenek Kabelac
2015-10-15 16:47     ` Chris Friesen [this message]
2015-10-15 19:53       ` Zdenek Kabelac
2015-11-16 15:48     ` [linux-lvm] lvmcache - performance and real life usage? John Stoffel

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