From: Heinz Mauelshagen <heinzm@redhat.com>
To: device-mapper development <dm-devel@redhat.com>, zkabelac@redhat.com
Cc: SiteGround Operations <operations@siteground.com>
Subject: Re: Cannot delete lvm thin volume
Date: Mon, 19 Oct 2015 16:51:04 +0200 [thread overview]
Message-ID: <56250358.4050701@redhat.com> (raw)
In-Reply-To: <5620EC96.3090205@kyup.com>
Nikolay,
this is a question for linux-lvm.
You're saying the fs is not mounted but the lv is open as of
your lvdisplay output, thus you can't lvremove it.
Heinz
On 10/16/2015 02:24 PM, Nikolay Borisov wrote:
> Hello I have the following thin volume, which I'd like to delete:
>
> lvdisplay -v /dev/coregroup/c13537_2k
> Using logical volume(s) on command line.
> --- Logical volume ---
> LV Path /dev/coregroup/c13537_2k
> LV Name c13537_2k
> VG Name coregroup
> LV UUID LBPr0i-uac8-i3Co-5B3M-A6Bv-q8iv-kSRLRr
> LV Write Access read/write
> LV Creation host, time xxxxx.net, 2015-10-14 02:02:45 -0500
> LV Pool name corepool
> LV Status available
> # open 1
> LV Size 1.80 TiB
> Mapped size 42.11%
> Current LE 471808
> Segments 1
> Allocation inherit
> Read ahead sectors auto
> - currently set to 256
> Block device 252:6
>
> dmsetup info coregroup-c13537_2k
> Name: coregroup-c13537_2k
> State: ACTIVE
> Read Ahead: 256
> Tables present: LIVE
> Open count: 1
> Event number: 1
> Major, minor: 252, 6
> Number of targets: 1
> UUID: LVM-M8PwSxzGcsZQTtdgzfixsr08ZAlNpAbALBPr0iuac8i3Co5B3MA6Bvq8ivkSRLRr
>
> dmsetup status
> coregroup-c13537_2k: 0 3865051136 thin 1627684864 3865042943
>
> The version of the software is:
> lvremove --version
> LVM version: 2.02.118(2)-RHEL6 (2015-09-08)
> Library version: 1.02.95-RHEL6 (2015-09-08)
> Driver version: 4.26.0
>
> And the kernel is 3.12.47.
>
> When I run 'lvremove -f /dev/coregroup/c13537_2k' I get the following
> error: Logical volume coregroup/c13537_2k contains a filesystem in use.
> I also get the same error when I try to deactivate the volume.
>
> fuser doesn't report anything and the volume is not mounted anywhere. I
> have also acquired an ftrace trace from executing lvremove but there are
> multiple invocation of the dm_ioctl function and I'm not sure which one
> is the relevant. So if you tell me what information in particular you
> need I'd post it here.
>
> Regards,
> Nikolay
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2015-10-19 14:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 12:24 Cannot delete lvm thin volume Nikolay Borisov
2015-10-19 14:51 ` Heinz Mauelshagen [this message]
2015-10-19 15:16 ` Nikolay Borisov
2015-10-19 15:47 ` Heinz Mauelshagen
2015-10-19 16:22 ` Nikolay Borisov
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