4:21 p.m.
Hi,
I need some direction to make sure we won't make more mistake in recovering a 3-node
self hosted engine with Gluster.
Someone carelessly, very, wiped out the first few MB of the LVM PV on one node. We
changed the quorum and brought up the Gluster and oVirt. We ran vgcfgrestore on the
'bad node' and we can run pvscan, vgscan and lvscan to see the LV's.
What should I do next to prevent more damage or corrupt the glusterfs on the other two
nodes?
Will this work? mkfs the LV's bring up gluster run gluster sync <goodNode>?
ThanksWill
9:20 a.m.
Adding relevant folks.
Sahina?
On Thu, 11 Jul 2019 at 00:24, William Kwan <potatok(a)yahoo.com> wrote:
Hi,
I need some direction to make sure we won't make more mistake in
recovering a 3-node self hosted engine with Gluster.
Someone carelessly, very, wiped out the first few MB of the LVM PV on one
node. We changed the quorum and brought up the Gluster and oVirt. We ran
vgcfgrestore on the 'bad node' and we can run pvscan, vgscan and lvscan to
see the LV's.
What should I do next to prevent more damage or corrupt the glusterfs on
the other two nodes?
Will this work?
mkfs the LV's
bring up gluster
run gluster sync <goodNode>?
Thanks
Will
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9:34 a.m.
On Wed, Jul 17, 2019 at 7:50 PM Doron Fediuck <dfediuck(a)redhat.com> wrote:
Adding relevant folks.
Sahina?
On Thu, 11 Jul 2019 at 00:24, William Kwan <potatok(a)yahoo.com> wrote:
> Hi,
>
> I need some direction to make sure we won't make more mistake in
> recovering a 3-node self hosted engine with Gluster.
>
> Someone carelessly, very, wiped out the first few MB of the LVM PV on one
> node. We changed the quorum and brought up the Gluster and oVirt. We ran
> vgcfgrestore on the 'bad node' and we can run pvscan, vgscan and lvscan to
> see the LV's.
>
If you have 2/3 bricks online - storage would have been available. Can you
elaborate why you needed to change qourum
>
> What should I do next to prevent more damage or corrupt the glusterfs on
> the other two nodes?
>
> Will this work?
> mkfs the LV's
> bring up gluster
> run gluster sync <goodNode>?
>
On the node where the bricks were wiped out,you need to
1. rebuild the bricks (i.e recreate the LVs and mount at the same brick
path as before)
2. Restart glusterd (if not started)
3. Reset the brick - from Volume -> Bricks subtab, select the relevant brick
>
> Thanks
> Will
>
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>
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2 comments
3 participants
participants (3)
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Doron Fediuck -
Sahina Bose -
William Kwan