From: Zdenek Kabelac <zkabelac@redhat.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] determining snapshot overhead
Date: Wed, 14 Jan 2015 09:34:20 +0100 [thread overview]
Message-ID: <54B62A0C.9080800@redhat.com> (raw)
In-Reply-To: <54B619AE.6020704@shockmedia.nl>
Dne 14.1.2015 v 08:24 Bram Klein Gunnewiek napsal(a):
> Hello,
>
> I am trying to create snapshots of thick volumes that can't break because they
> overflow (thin volumes are not an option right now). I can't find information
> on how to calculate (in advance) the metadata overhead of a snapshot when all
> blocks in the origin volume are changed (e.g. the snapshot is 100% full). Is
> there a way to do this?
Recent versions of lvm2 (let's say >= 111) are able to determine this size
automatically - just use: 'lvcreate -s -l100%ORIGIN vg/origin'
Regards
Zdenek
next prev parent reply other threads:[~2015-01-14 8:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-14 7:24 [linux-lvm] determining snapshot overhead Bram Klein Gunnewiek
2015-01-14 8:34 ` Zdenek Kabelac [this message]
2015-01-14 10:18 ` Bram Klein Gunnewiek
2015-01-14 11:42 ` Zdenek Kabelac
2015-01-14 12:38 ` Bram Klein Gunnewiek
2015-01-14 14:26 ` Zdenek Kabelac
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