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From: Alasdair G Kergon <agk@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Create Snapshot volume, with sized based on size of original lv
Date: Mon, 6 Oct 2008 14:11:41 +0100	[thread overview]
Message-ID: <20081006131141.GA23898@agk.fab.redhat.com> (raw)
In-Reply-To: <20081004090534.227400@gmx.net>

On Sat, Oct 04, 2008 at 11:05:34AM +0200, Michael Schmarck wrote:
> $ sudo lvm lvcreate -s -l 25%LV -n Bilder_snap /dev/sys/Bilder
>   Please express size as %VG, %PVS, or %FREE.
> Did I do something wrong, or is the output "--help"
> just wrong?
 
%LV is for resizing an existing LV.
lvcreate -s -l n%LV would indeed be unambiguous,
but what then about lvresize on a snapshot?  Would it be % of 
base LV or % of existing snapshot?  (Perhaps we need %ORIGIN.)

Alasdair
-- 
agk@redhat.com

  reply	other threads:[~2008-10-06 13:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-04  9:05 [linux-lvm] Create Snapshot volume, with sized based on size of original lv Michael Schmarck
2008-10-06 13:11 ` Alasdair G Kergon [this message]
2008-10-06 17:15   ` Michael Schmarck

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