Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> -----Ursprüngliche Nachricht-----
> Von: "Florian Haas" <florian.haas at linbit.com>
> Gesendet: 09.02.09 19:52:39
> An: drbd-user <drbd-user at lists.linbit.com>
> Betreff: Re: [DRBD-user] Unable add volume group to physical volume /dev/drbd0
> On 02/09/2009 06:52 PM, hans morbus2000 wrote:
> > # pvscan -v # show PVŽs
> > Wiping cache of LVM-capable devices
> > Wiping internal VG cache
> > Walking through all physical volumes
> > PV /dev/sda3 VG vglocal lvm2 [1.36 TB / 0 free]
> > PV /dev/vglocal/drbd lvm2 [1.36 TB]
> >
> >
> > But, we canŽt create VG on top of the PV /dev/drbd0 ???????????????????
> > # vgcreate -dddd -vvvv vgdrbd /dev/drbd0 # create VG on top of PV /dev/drbd0
> > ...
> >
> > I find this impossible to understand.
> > What's the problem?
>
> You gave the answer yourself:
>
> > set an filter in the /etc/lvm/lvm.conf
> > filter = ["a|sd.*|", "a|drbd.*|", "r|.*|"]
>
> See your filter matches on your logical volume which you chose to name
> "drbd", not just your /dev/drbd* devices.
>
> I suppose you wanted this:
> filter = ["a|sd.*|", "a|^/dev/drbd.*|", "r|.*|"]
>
> ... or else, keep your filter definition as is, but don't choose a
> volume name that contains "drbd".
>
> Florian
>
> --
> : Florian G. Haas
>
> When replying, there is no need to CC my personal address.
> I monitor the list on a daily basis. Thank you.
>
> LINBIT® and DRBD® are registered trademarks of LINBIT.
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>
OK,
we keep the filter and change the lvdrbd > lvlocal
# lvcreate --name lvlocal -l 355343 vglocal # create your LV to be used as DRBD's backing
Logical volume "lvlocal" created
then we can initial /dev/drbd0 as PV
# pvscan –v # show PV /dev/drbd0
Wiping cache of LVM-capable devices
Wiping internal VG cache
Walking through all physical volumes
PV /dev/sda3 VG vglocal lvm2 [1.36 TB / 0 free]
PV /dev/drbd0 lvm2 [1.36 TB]
also we can create VG on top of the PV /dev/drbd0
# vgcreate –dddd –vvvv vgmirror /dev/drbd0 # create VG on top of /dev/drbd0
Volume group "vgmirror" successfully created
finally we create LVŽs, make them available on the peer node and change DRBD
in Dual-primary mode
thatŽs fine.
but after reboot one node, canŽt find the PV /dev/drbd0 automatically?????
# pvs
PV VG Fmt Attr PSize PFree
/dev/sda3 vglocal lvm2 a- 1.36T 0
we must scan PV manually and make the LVŽs available on this node
# pvscan
PV /dev/sda3 VG vglocal lvm2 [1.36 TB / 0 free]
PV /dev/drbd0 VG vgmirror lvm2 [1.36 TB / 288.00 GB free]
Total: 2 [2.71 TB] / in use: 2 [2.71 TB] / in no VG: 0 [0 ]
# vgchange -a y vgmirror
3 logical volume(s) in volume group "vgmirror" now active
how can we configure this automatically??????
Andy
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