From: Ray Morris <support@bettercgi.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: Peter_Flass@yahoo.com
Subject: Re: [linux-lvm] Cannot access logical volume (open count=1)
Date: Thu, 10 Feb 2011 16:53:25 -0600 [thread overview]
Message-ID: <20110210165325.27b346b5@bettercgi.com> (raw)
In-Reply-To: <4D54552E.6070202@Yahoo.com>
Check whether the LV has a partition on it.
(fdisk -l /dev/vg*/home) If so, use kpartx -dvv
to close it.
> The disk (sdb) has one vg and three lv's on it
> /proc/mounts shows /dev/sdb1 mounted
If /dev/sdb1 is mounted, does that mean there's
a /dev/sdb2 which is a PV?
--
Ray Morris
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On Thu, 10 Feb 2011 16:14:22 -0500
Peter Flass <Peter_Flass@yahoo.com> wrote:
> I'm truly sorry to bother the developers' list with this question,
> but I've searched and can't find an ansewr that works. A system
> crash seems to have corrupted something in my fedora system. I boot
> to a rescue CD and look thru LVM. The disk (sdb) has one vg and
> three lv's on it. Call the vg vg_xxx, the lv's are lv_boot (ext3, I
> believe), lv_swap (no fs) and lv_home (ext4). I can't fsck (e2fsck)
> lv_home or do anything else with it, LVM says it's open count=1 where
> the open count of the other two lv's is zero.
>
> I can't find who has it open. /proc/mounts shows /dev/sdb1 mounted
> on /media/usb0, when I umount it (either by mount point or device)
> it disappears, but the lv still shows open, and as a result I am
> unable to do anything with it. lsof also shows nothing open that
> resembles this lv. I can inactivate the other two lvs in this vg,
> but not lv_home.
>
> What can I do to fix this problem?
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
next prev parent reply other threads:[~2011-02-10 22:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-10 21:14 [linux-lvm] Cannot access logical volume (open count=1) Peter Flass
2011-02-10 22:53 ` Ray Morris [this message]
2011-02-11 1:48 ` Peter Flass
2011-02-14 10:19 ` Bryn M. Reeves
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