Problems creating/converting large logical volume to RAID1

Petter Adsen petter at
Tue Nov 24 09:45:00 UTC 2015

On Tue, 24 Nov 2015 09:28:25 +0000
Tony Arnold <tony.arnold at> wrote:

> Not had a reply to this yet. Anyone with any ideas as where to start
> looking? Should I report it as a bug? Or is more/different information
> needed?
> Regards,
> Tony.
> On 21/11/15 17:47, Tony Arnold wrote:
> > I'm trying to convert one of my logical volumes to be RAID1 mirrored
> > using LVM. When I do, the command lvs shows the mirror set is 100%
> > synchronized immediately. syslog show a failure saying one of the
> > devices in the mirror set has failed and it reverts to a single
> > device mirror set.

Since this is so specific to LVM, have you tried the LVM mailing list?
I would guess most of us use mdadm for the mirroring and LVM on top of
that, so it might be more useful to talk to someone who is intimately
familiar with LVM.


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"Are you sure?"
"I'm positive."

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