Re: vgscan can't see LVM volumes on QEMU image

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Hi Marian,

2014-10-31 10:13 GMT-04:00 Marian Csontos <mcsontos@redhat.com>:
[skip]
> To me looks like `pvscan --cache` is not called on NBD devices as they
> appear.
>
> Could you post udev db dump for /dev/nbd0 and /dev/nbd0p1?
>
>     udevadm info --name=$NAME --query=all

% udevadm info --name=/dev/nbd0 --query=all
P: /devices/virtual/block/nbd0
N: nbd0
E: DEVNAME=/dev/nbd0
E: DEVPATH=/devices/virtual/block/nbd0
E: DEVTYPE=disk
E: MAJOR=43
E: MINOR=0
E: SUBSYSTEM=block
E: TAGS=:systemd:
E: USEC_INITIALIZED=149161867794
%
% udevadm info --name=/dev/nbd0p1 --query=all
P: /devices/virtual/block/nbd0/nbd0p1
N: nbd0p1
E: DEVNAME=/dev/nbd0p1
E: DEVPATH=/devices/virtual/block/nbd0/nbd0p1
E: DEVTYPE=partition
E: MAJOR=43
E: MINOR=1
E: SUBSYSTEM=block
E: SYSTEMD_READY=0
E: TAGS=:systemd:
E: USEC_INITIALIZED=1614479761
%

> It has to be disabled in lvm.conf. If you only stopped it, it is a socket
> activated service and will be restarted (at least on recent Fedora and
> RHEL.)
>

Yes, I only stopped the process. Thanks for point this.

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