[DRBD-user] drbdmanage multiple VGs not supported
mailinglists at websitemanagers.com.au
Tue Sep 4 07:37:32 CEST 2018
On 03/09/18 19:57, abdollah karimnia wrote:
> Dear all,
> Is there any way to replicate different VGs using drbdmanage?
> Currently we can add only one VG name (drbdpool) into
> /etc/drbdmanaged.cfg file. Seems that it is not possible to have
> different VGs to replicate.
> kind Regards.
I'm not entirely sure what you are asking, but I think you can achieve
what you want by using the DRBD managed VG to create multiple devices
(drbd0, drbd1, drbdn...) and each drbd device could be used as a PV for
a different VG.
drbd0, drbd1, drbd2, drbdn
VG0 VG1 VG2 VGn
You can then create multiple LV's from each of the VG0/VG1/VG2/VGn as
I hope that is clear and you can understand it.
Note, you will likely need to ensure that LVM doesn't try to access the
VG0/VG1/VG2/VGn using the underlying LV's within drbdpool, but will only
use the devices exported by DRBD. You might also need some extra work to
have LVM activate those LV's after DRBD has started, depending on how
you are using them. See the filter options in the lvm.conf.
Adam Goryachev Website Managers www.websitemanagers.com.au
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