From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Sat, 13 Aug 2011 23:53:30 +0100
From: Alasdair G Kergon <agk@redhat.com>
Message-ID: <20110813225330.GA6019@agk-dp.fab.redhat.com>
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In-Reply-To: <CAA-yEOLgSqD7N5C773M=54CmVy8=aYybkw1AWOhWmZgc+ET68Q@mail.gmail.com>
Subject: Re: [linux-lvm] lvm hangup on snapshot overflow
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To: Pasha Z <free.lan.c2.718r@gmail.com>
Cc: linux-lvm@redhat.com

On Fri, Aug 12, 2011 at 07:05:31PM +0300, Pasha Z wrote:
> lvconvert device-mapper: suspend ioctl failed: Input/output error
> lvconvert Unable to suspend VG-sn_x (252:3)
> lvconvert Failed to suspend origin lv
 
What exactly are you trying to do with lvconvert rather than lvcreate?

Never let snapshots fill up - use dmeventd instead and intervene in
a controlled way before they are full.

The lvconvert -s man page is too subtle and needs improving.

Alasdair