[lxc-users] Cannot remove a volume that has snapshots

vrms vrms at netcologne.de
Thu May 7 17:14:02 UTC 2020


I have seen the same error just recently as well. Actually the term 
"volume" never plaid any role in my lxd life before that and I am still 
not really aware what it actually represents and how it is related to 
snapshots.

I didn't dig into it because it was not so pressing at the moment and 
can't recall the exact details now but I think it was a very similar 
scenario then the one you describe here.

debian 9
lxd 4.0.1 (from snap)



On 5/7/20 9:03 AM, Kees Bakker wrote:
> Hi,
>
> When I want to delete a container I'm getting this error
>
> root at ijssel:~# lxc delete jenkins
> Error: Error deleting storage volume: Cannot remove a volume that has snapshots
>
> However, it has no snapshots.
>
> root at ijssel:~# lxc info jenkins
> Name: jenkins
> Location: ijssel
> Remote: unix://
> Architecture: x86_64
> Created: 2020/04/24 09:01 UTC
> Status: Stopped
> Type: container
> Profiles: default
>
> This is on Ubuntu 20.04 with lxd 4.0.1 (14954) from snap.
> The storage is lvm.
>
> There is a little bit of history that is of interest.
> I had a container, "jenkins-template", with a snapshot.
> Then I did a "lxc copy" of that snapshot to a new container,
> called "jenkins", the one that I'm trying to delete now.
> In the meantime I have already deleted the snapshot of "jenkins-template",
> because I thought that would help.
> Now, there are no snapshots at all on the system. Still, the
> delete gives me that error.
>
> root at ijssel:~# lxc list
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> |         NAME         |  STATE  |         IPV4         | IPV6 |   TYPE    | SNAPSHOTS | LOCATION |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins              | STOPPED |                      |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins-master1      | RUNNING | 172.16.16.28 (eth0)  |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins-sirti        | RUNNING | 172.16.16.104 (eth0) |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins-slave001     | RUNNING | 10.189.232.51 (eth0) |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins-template     | STOPPED |                      |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | jenkins-template-old | STOPPED |                      |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
> | mindmap              | RUNNING | 172.16.16.166 (eth0) |      | CONTAINER | 0         | ijssel   |
> +----------------------+---------+----------------------+------+-----------+-----------+----------+
>
> root at ijssel:~# lvs
>    LV                                                                      VG    Attr       LSize   Pool        Origin Data%  Meta%  Move Log Cpy%Sync Convert
>    LXDThinPool                                                             local twi-aotz--  <3,41t                    3,83   3,34
>    containers_jenkins                                                      local Vwi-a-tz--  <9,32g LXDThinPool        15,04
>    containers_jenkins--master1                                             local Vwi-aotz-- <18,63g LXDThinPool        9,57
>    containers_jenkins--sirti                                               local Vwi-aotz-- 465,66g LXDThinPool        26,40
>    containers_jenkins--slave001                                            local Vwi-aotz--  <9,32g LXDThinPool        9,91
>    containers_jenkins--template                                            local Vwi-a-tz--  <9,32g LXDThinPool        12,58
>    containers_jenkins--template--old                                       local Vwi-a-tz--  <9,32g LXDThinPool        28,78
>    containers_mindmap                                                      local Vwi-aotz-- <18,63g LXDThinPool        14,75
>    images_8e0308c73fb2a54a048916915a3437208cfa6fd9fb7e176ad75557f49b8eb522 local Vwi-a-tz--  <9,32g LXDThinPool        6,80
>    images_8e0f49176d7fc999becd40194a92231551c3d5109bd9327c443592443ba5e841 local Vwi-a-tz--  <9,32g LXDThinPool        6,84
>    home                                                                    vg0   -wi-ao----  50,00g
>    root                                                                    vg0   -wi-ao---- 100,00g
>
>
> How can I delete the container "jenkins"?
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