On 10/07/2013, at 2:15 PM, Vladislav Bogdanov <[email protected]> wrote:

> 10.07.2013 07:05, Andrew Beekhof wrote:
>> 
>> On 10/07/2013, at 2:04 PM, Vladislav Bogdanov <[email protected]> wrote:
>> 
>>> 10.07.2013 03:39, Andrew Beekhof wrote:
>>>> 
>>>> On 10/07/2013, at 1:51 AM, Vladislav Bogdanov <[email protected]> wrote:
>>>> 
>>>>> 03.07.2013 19:31, Dejan Muhamedagic wrote:
>>>>>> On Tue, Jul 02, 2013 at 07:53:52AM +0300, Vladislav Bogdanov wrote:
>>>>>>> 01.07.2013 18:29, Dejan Muhamedagic wrote:
>>>>>>>> Hi,
>>>>>>>> 
>>>>>>>> On Mon, Jul 01, 2013 at 05:29:31PM +0300, Vladislav Bogdanov wrote:
>>>>>>>>> Hi,
>>>>>>>>> 
>>>>>>>>> I'm trying to look if it is now safe to delete non-running nodes
>>>>>>>>> (corosync 2.3, pacemaker HEAD, crmsh tip).
>>>>>>>>> 
>>>>>>>>> # crm node delete v02-d
>>>>>>>>> WARNING: 2: crm_node bad format: 7 v02-c
>>>>>>>>> WARNING: 2: crm_node bad format: 8 v02-d
>>>>>>>>> WARNING: 2: crm_node bad format: 5 v02-a
>>>>>>>>> WARNING: 2: crm_node bad format: 6 v02-b
>>>>>>>>> INFO: 2: node v02-d not found by crm_node
>>>>>>>>> INFO: 2: node v02-d deleted
>>>>>>>>> #
>>>>>>>>> 
>>>>>>>>> So, I expect that crmsh still doesn't follow latest changes to 
>>>>>>>>> 'crm_node
>>>>>>>>> -l'. Although node seems to be deleted correctly.
>>>>>>>>> 
>>>>>>>>> For reference, output of crm_node -l is:
>>>>>>>>> 7 v02-c
>>>>>>>>> 8 v02-d
>>>>>>>>> 5 v02-a
>>>>>>>>> 6 v02-b
>>>>>>>> 
>>>>>>>> This time the node state was empty. Or it's missing altogether.
>>>>>>>> I'm not sure how's that supposed to be interpreted. We test the
>>>>>>>> output of crm_node -l just to make sure that the node is not
>>>>>>>> online. Perhaps we need to use some other command.
>>>>>>> 
>>>>>>> Likely it shows everything from a corosync nodelist.
>>>>>>> After I deleted the node from everywhere except corosync, list is still
>>>>>>> the same.
>>>>>> 
>>>>>> OK. This patch changes the interface to crm_node to use the
>>>>>> "list partition" option (-p). Could you please test it?
>>>>> 
>>>>> Nope. Not enough. Even worse than before. I tested todays tip as it
>>>>> includes that patch with merge of Andrew's public and private master 
>>>>> heads.
>>>>> =========
>>>>> [root@v02-b ~]# crm node show
>>>>> v02-a(5): normal
>>>>>      standby: off
>>>>>      virtualization: true
>>>>>      $id: nodes-5
>>>>> v02-b(6): normal
>>>>>      standby: off
>>>>>      virtualization: true
>>>>> v02-c(7): normal
>>>>>      standby: off
>>>>>      virtualization: true
>>>>> v02-d(8): normal(offline)
>>>>>      standby: off
>>>>>      virtualization: true
>>>>> [root@v02-b ~]# crm node delete v02-d
>>>>> ERROR: according to crm_node, node v02-d is still active
>>>>> [root@v02-b ~]# crm_node -p
>>>>> v02-c v02-d v02-a v02-b
>>>>> [root@v02-b ~]# crm_node -l
>>>>> 7 v02-c
>>>>> 8 v02-d
>>>>> 5 v02-a
>>>>> 6 v02-b
>>>>> [root@v02-b ~]#
>>>>> =========
>>>>> 
>>>>> That is after I stopped node, lowered votequorum expected_votes (with
>>>>> corosync-quorumtool) and deleted v02-d from a cmap nodelist.
>>>>> 
>>>>> corosync-cmapctl still shows runtime info about deleted node as well:
>>>>> runtime.totem.pg.mrp.srp.members.8.config_version (u64) = 0
>>>>> runtime.totem.pg.mrp.srp.members.8.ip (str) = r(0) ip(10.5.4.55)
>>>>> runtime.totem.pg.mrp.srp.members.8.join_count (u32) = 1
>>>>> runtime.totem.pg.mrp.srp.members.8.status (str) = left
>>>>> And it is not allowed to delete that keys.
>>>>> 
>>>>> crm_node -R did the job (nothing left in the CIB), but, v02-d still
>>>>> appears in its output for both -p and -l.
>>>>> 
>>>>> Andrew, I copy you directly because above is probably to you. Shouldn't
>>>>> crm_node some-how show that stopped node is deleted from a corosync
>>>>> nodelist?
>>>> 
>>>> Which stack is this?
>>> 
>>> corosync 2.3 with nodelist and udpu.
>> 
>> I assume its possible, but crm_node isn't smart enough to do that yet.
>> Feel like writing a patch? :)
> 
> Shouldn't it just skip offline nodes for -p?
> 

Worse. It appears to be asking pacemakerd instead of corosync or crmd.

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