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* [linux-lvm] What do these messages mean?
@ 2020-07-30 20:34 Orion Poplawski
  2020-07-30 21:31 ` David Teigland
  0 siblings, 1 reply; 2+ messages in thread
From: Orion Poplawski @ 2020-07-30 20:34 UTC (permalink / raw)
  To: linux-lvm

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I'm guessing this simply indicates that the kernel device name 
associated with the PV has changed.  Is that correct?

Jul 28 16:50:58 hostname lvm[1424]:   PVID 
6seLWa-Oz2d-jZIC-Ox17-MPaB-QGu5-uElsKN read from /dev/sdb1 last written 
to /dev/sdd1.

No idea what this means.  Should we be using quick activation?  Is it a 
result of the above?

Jul 28 16:50:58 hostname lvm[1424]:   pvscan[1424] VG vg_leka not using 
quick activation.

Thanks!

-- 
Orion Poplawski
Manager of NWRA Technical Systems          720-772-5637
NWRA, Boulder/CoRA Office             FAX: 303-415-9702
3380 Mitchell Lane                       orion@nwra.com
Boulder, CO 80301                 https://www.nwra.com/


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^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [linux-lvm] What do these messages mean?
  2020-07-30 20:34 [linux-lvm] What do these messages mean? Orion Poplawski
@ 2020-07-30 21:31 ` David Teigland
  0 siblings, 0 replies; 2+ messages in thread
From: David Teigland @ 2020-07-30 21:31 UTC (permalink / raw)
  To: Orion Poplawski; +Cc: linux-lvm

On Thu, Jul 30, 2020 at 02:34:40PM -0600, Orion Poplawski wrote:
> I'm guessing this simply indicates that the kernel device name associated
> with the PV has changed.  Is that correct?

yes
 
> Jul 28 16:50:58 hostname lvm[1424]:   PVID
> 6seLWa-Oz2d-jZIC-Ox17-MPaB-QGu5-uElsKN read from /dev/sdb1 last written to
> /dev/sdd1.

When the VG was last updated the PV was on sdd1, now it's on sdb1.

> No idea what this means.  Should we be using quick activation?  Is it a
> result of the above?
> 
> Jul 28 16:50:58 hostname lvm[1424]:   pvscan[1424] VG vg_leka not using
> quick activation.

The activation of the VG from pvscan is not being optimized, because of
the device name change.  That's not a problem, just informative.

Usually, I think these messages only appear in systemctl status for the
lvm2-pvscan service.

Dave

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-07-30 20:34 [linux-lvm] What do these messages mean? Orion Poplawski
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