[DRBD-user] Unable to init a node

[Jdt]

Le 20/03/2018 à 10:07, Roland Kammerer a écrit :
> On Mon, Mar 19, 2018 at 07:12:29PM +0100, Jdt wrote:
>>
>> [SNIP}
> Please do not start debugging in the GUI, start at the lowest level.
>
> - You did add other nodes besides the initial node, didn't you?

Yes, I have three nodes :
root at dmz-pve1:~ # drbdmanage list-nodes
+------------------------------------------------------------------------------------------------------------+
| Name     | Pool Size | Pool Free
|                                                                 | State |
|------------------------------------------------------------------------------------------------------------|
| dmz-pve1 |   unknown |   unknown
|                                                                 |    ok |
| dmz-pve2 |   unknown |   unknown
|                                                                 |    ok |
| dmz-pve3 |   unknown |   unknown
|                                                                 |    ok |
+------------------------------------------------------------------------------------------------------------+
But pool size is unknown, I have a VG named drbdpool

> - The control volume is happy and connected to the other nodes?

Yes
  LV Path                /dev/drbdpool/.drbdctrl_0
  LV Name                .drbdctrl_0
  VG Name                drbdpool
  LV Path                /dev/drbdpool/.drbdctrl_1
  LV Name                .drbdctrl_1
  VG Name                drbdpool
root at dmz-pve1:~ #  drbdadm status
.drbdctrl role:Primary
  volume:0 disk:UpToDate
  volume:1 disk:UpToDate
  dmz-pve2 role:Secondary
    volume:0 peer-disk:UpToDate
    volume:1 peer-disk:UpToDate
  dmz-pve3 role:Secondary
    volume:0 peer-disk:UpToDate
    volume:1 peer-disk:UpToDate
root at dmz-pve1:~ #  drbd-overview 2>/dev/null
 0:.drbdctrl/0  Connected(3*) Prim(dmz-pve1)/Seco(dmz-pve2,dmz-pve3)
UpTo(dmz-pve1)/UpTo(dmz-pve2,dmz-pve3)
 1:.drbdctrl/1  Connected(3*) Prim(dmz-pve1)/Seco(dmz-pve2,dmz-pve3)
UpTo(dmz-pve1)/UpTo(dmz-pve3,dmz-pve2)

> - Drbdmanage is started on the other nodes?

Yes
root at dmz-pve1:~ # ps aux Op | grep drbd | grep -v grep
root      2657  0.0  0.0      0     0 ?        S<   16:38   0:00
[drbd-reissue]
root      2863  0.0  0.0      0     0 ?        S    16:39   0:00
[drbd_w_.drbdctr]
root      2865  0.0  0.0      0     0 ?        S<   16:39   0:00
[drbd0_submit]
root      2871  0.0  0.0      0     0 ?        S<   16:39   0:00
[drbd1_submit]
root      2926  0.0  0.0 270096 22184 ?        Sl   16:39   0:05
/usr/bin/python /usr/bin/dbus-drbdmanaged-service
root      2930  0.0  0.0   4348  1488 ?        S    16:39   0:00
drbdsetup events2 all
root      3032  0.0  0.0      0     0 ?        S    16:40   0:00
[drbd_s_.drbdctr]
root      3036  0.0  0.0      0     0 ?        S    16:40   0:00
[drbd_r_.drbdctr]
root      3231  0.0  0.0      0     0 ?        S    16:41   0:00
[drbd_a_.drbdctr]
root      3232  0.0  0.0      0     0 ?        S<   16:41   0:00
[drbd_as_.drbdct]
root      3416  0.0  0.0      0     0 ?        S    16:42   0:00
[drbd_s_.drbdctr]
root      3419  0.0  0.0      0     0 ?        S    16:42   0:00
[drbd_r_.drbdctr]
root      3555  0.0  0.0      0     0 ?        S    16:43   0:00
[drbd_a_.drbdctr]
root      3556  0.0  0.0      0     0 ?        S<   16:43   0:00
[drbd_as_.drbdct]
on the three nodes.

> - "drbdmanage role" on all nodes shows something meaningful?

Yes
root at dmz-pve1:~ # drbdmanage role
Operation completed successfully
leader

root at dmz-pve2:~ # drbdmanage role
Operation completed successfully
potential leader (CL: dmz-pve1)

root at dmz-pve3:~ # drbdmanage role
Operation completed successfully
potential leader (CL: dmz-pve1)


> - You can create resources on the command line and assign them?

I don't understand your question.
I try to create virtual machine on one node of the proxmox cluster via
the proxmox web interface.
I need information on the pve storage.cfg
I try to add :
drbd: drbdpool
        content images,rootdir
        redundancy 3

or

drbd: drbdstorage
        content images,rootdir
        redundancy 3

without success.
With the first solution, a logical volume is created on VG drbdpool on
only one node but nothing appear in /var/lib/drbd.d as in the previous
version
With the second solution, there is an error accessing volume

In proxmox interface, I don't see anyway to add DRBD resources in
Datacenter Storage.
Any help will be appreciated.

>
> Regards, rck
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Regards, jdt
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