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?

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