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From: Alasdair G Kergon <agk@redhat.com>
To: Marius Vollmer <marius.vollmer@redhat.com>
Cc: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Identifying useable block devices
Date: Wed, 15 Jan 2014 15:49:11 +0000	[thread overview]
Message-ID: <20140115154911.GB31790@agk-dp.fab.redhat.com> (raw)
In-Reply-To: <87zjmxzmga.fsf@red.mvo.lan>

On Wed, Jan 15, 2014 at 10:19:33AM +0200, Marius Vollmer wrote:
> How can a program tell that only /dev/mapper/TEST-thin can really be
> used as a block device, and the rest should be ignored?
 
/dev/mapper is meant only for internal use.

Use /dev/$vg/$lv instead (in the case of LVM).
Internal LVs shouldn't appear there.

Alasdair

  reply	other threads:[~2014-01-15 15:49 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-15  8:19 [linux-lvm] Identifying useable block devices Marius Vollmer
2014-01-15 15:49 ` Alasdair G Kergon [this message]
2014-01-15 16:17 ` Oliver Rath
2014-01-15 20:24   ` Anatoly Pugachev
2014-01-16  1:32     ` Paul B. Henson
2014-01-16  5:42       ` Peter Rajnoha
2014-01-16 21:03         ` Paul B. Henson
2014-01-17  7:54           ` Peter Rajnoha
2014-01-17  9:29             ` Karel Zak
2014-01-17  9:53               ` Peter Rajnoha
2014-01-16  6:04 ` Peter Rajnoha
2014-01-17 10:02 ` Marius Vollmer
2014-01-17 13:35   ` Marius Vollmer
2014-01-20 11:52     ` Peter Rajnoha
2014-01-20 11:49   ` Peter Rajnoha
2014-01-20 12:02     ` Peter Rajnoha
2014-01-22  9:23       ` Marius Vollmer
2014-01-23 11:42         ` Peter Rajnoha
2014-01-23 12:35           ` Marius Vollmer
2014-01-24 13:24             ` Peter Rajnoha
2014-01-24 13:29               ` Peter Rajnoha
2014-01-24 14:39                 ` Marius Vollmer
2014-01-24 15:02                   ` Peter Rajnoha
2014-01-27  7:37                     ` Marius Vollmer
2014-01-24 14:50               ` Marius Vollmer
2014-01-24 15:08                 ` Peter Rajnoha
2014-01-24 15:17                 ` Zdenek Kabelac
2014-01-24 15:20                   ` Peter Rajnoha
2014-01-22  9:02     ` Marius Vollmer

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