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From: Demi Marie Obenour <demi@invisiblethingslab.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] lvm commands hanging when run from inside a kubernetes pod
Date: Mon, 6 Jun 2022 03:01:51 -0400	[thread overview]
Message-ID: <Yp2mZGmhFD23XQcL@itl-email> (raw)
In-Reply-To: <CAM3OQJHdTqOksDPx0dp_LbF2kRHaaoN3b4YEGamHFabHRGxScA@mail.gmail.com>


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On Mon, Jun 06, 2022 at 11:19:47AM +0530, Abhishek Agarwal wrote:
> 1. Yes, use_lvmetad is 0, and its systemd units for it are stopped/disabled.
> 2. Yes, everything on the host machine i.e(/proc, /sys etc) are getting
> mounted on the pod.
> 
> *ubuntu@ip-172-31-89-47*:*~*$ kubectl exec -it openebs-lvm-node-v6jrb -c
> openebs-lvm-plugin  -n kube-system -- sh
> 
> # ls
> 
> bin  boot  dev etc  home  host  lib  lib32  lib64  libx32  media  mnt opt
> plugin  proc  root  run  sbin  srv  sys  tmp  usr var
> 
> # cd /host
> 
> # ls
> 
> bin  boot  dev etc  home  lib lib32  lib64  libx32  lost+found  media  mnt
> opt  proc  root  run  sbin  snap srv  sys  tmp  usr  var
> 
> #
> 3. The detail output of `strace -f -ttt` command:
> https://pastebin.com/raw/VFyXLNaC

I suggest bind-mounting the host’s D-Bus socket into the container and
using systemd’s D-Bus API to run the LVM commands on the host.  This
will avoid the problems you are having.
-- 
Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab

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  reply	other threads:[~2022-06-06  7:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-27  7:02 [linux-lvm] lvm commands hanging when run from inside a kubernetes pod Abhishek Agarwal
2022-05-30 11:55 ` Roger Heflin
2022-05-31 18:50   ` Abhishek Agarwal
2022-06-01  7:26     ` Demi Marie Obenour
2022-06-01  8:28       ` Abhishek Agarwal
2022-06-02 11:04         ` Roger Heflin
2022-06-06  5:49           ` Abhishek Agarwal
2022-06-06  7:01             ` Demi Marie Obenour [this message]
2022-06-06 11:31               ` Abhishek Agarwal
2022-06-07 17:42                 ` Demi Marie Obenour
2022-06-06  7:02             ` Bernd Eckenfels
2022-06-02 19:00         ` Nir Soffer
2022-05-30 15:15 ` Zdenek Kabelac
2022-05-30 15:15   ` Zdenek Kabelac

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