[ovirt-users] LVM structure

[Nir Soffer]

בתאריך יום ה׳, 5 באוק׳ 2017, 11:39, מאת Nicolas Ecarnot ‏<
nicolas at ecarnot.net>:

> Hi Adam,
>
>
> Le 04/10/2017 à 16:48, Adam Litke a écrit :
> > Sure.  vdsm-tool should be disabling lvmetad on the host automatically.
> > Maybe some of the hosts were fresh installed and others have been
> > upgraded from older versions?  In any case, you should be able to run on
> > any host in maintenance mode:
> >
> >      sudo vdsm-tool configure --force
> >
> > And this should edit the lvm.conf file to disable lvmetad globally and
> > also prevent the lvmetad service from starting.
>
> Sorry, but nope.
>
>
>
> # vdsm-tool configure --force
>
> Checking configuration status...
>
> Current revision of multipath.conf detected, preserving
> libvirt is already configured for vdsm
> SUCCESS: ssl configured to true. No conflicts
>
> Running configure...
> Reconfiguration of sebool is done.
> Reconfiguration of libvirt is done.
>
> Done configuring modules to VDSM.
>
> # grep use_lvmetad /etc/lvm/lvm.conf |grep -v '#'
>         use_lvmetad = 1
>

vdsm-tool disables lvmetad in the local lvm config (/etc/lvm/lvmlocal.conf)
which is owned now by vdsm, similar to the way multipath configuration is
managed by vdsm.


>
> Actually, as you found a workaround, it's not a big deal, especially if
> this point has been fixed in version greater than 3.6.7.
>

But this was added in 4.0.7.

You should upgrade to 4.1, including many other features and fixes.

Nir


> It's just to let people know.
>
> --
> Nicolas ECARNOT
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