From: Bernd Eckenfels <ecki@zusammenkunft.net>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] dmsetup says "Device does not exist", though it exists
Date: Tue, 13 Aug 2019 21:25:43 +0000 [thread overview]
Message-ID: <DB7PR08MB3307023F548797EE6D6D60ACFFD20@DB7PR08MB3307.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <7f6f03e1-dbb1-971c-7f1f-f6c380a16b77@redhat.com>
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Hello,
I did not know dmsetup works with lvm file names, did you try to run `dmsetup ls` to see the known devices and the dm compatible name?
Gruss
Bernd
--
http://bernd.eckenfels.net
________________________________
Von: linux-lvm-bounces@redhat.com im Auftrag von Zdenek Kabelac <zkabelac@redhat.com>
Gesendet: Dienstag, August 13, 2019 3:54 PM
An: LVM general discussion and development; Christoph Pleger
Betreff: Re: [linux-lvm] dmsetup says "Device does not exist", though it exists
Dne 13. 08. 19 v 9:11 Christoph Pleger napsal(a):
> Hello,
>
> I have a volume group with 20 logical volumes. Only the last one of these
> volumes has a strange problem with dmsetup, shown by these commands and output
> on the command line:
>
> root@host:/home/linux# /sbin/dmsetup info -c -o name --noheadings /dev/vg/lv20
> Device does not exist.
> Command failed
>
> root@host:/home/linux# lvdisplay -c /dev/vg/lv20
> /dev/vg/lv20:vg:3:1:-1:0:4194304:512:-1:0:-1:253:19
>
> root@host:/home/linux# mount /dev/vg/lv20 /mnt
> root@host:/home/linux# ls /mnt
> lost+found data1 data2
>
> That is, dmsetup says "Device does not exist" about a logical volume, though
> the volume exists and is operating normally. What is the possible problem here?
>
Hi
Have you tried strace ?
Are you using this only in singly machine with properly running udev ?
Kernel version, lvm version, distribution... ?
Zdenek
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next prev parent reply other threads:[~2019-08-13 21:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-13 7:11 [linux-lvm] dmsetup says "Device does not exist", though it exists Christoph Pleger
2019-08-13 13:54 ` Zdenek Kabelac
2019-08-13 21:25 ` Bernd Eckenfels [this message]
2019-08-14 11:09 ` Zdenek Kabelac
2019-08-14 7:22 ` Christoph Pleger
2019-08-14 11:07 ` Zdenek Kabelac
2019-08-14 12:49 ` Christoph Pleger
2019-08-14 13:06 ` Christoph Pleger
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