[ClusterLabs] Very long timeout shutting down a server with systemd resource

Roberto Ferrari rferrari at mbigroup.it
Mon Jan 23 12:58:57 EST 2023


On 23/01/23 18:25, Reid Wahl wrote:
> On Mon, Jan 23, 2023 at 7:51 AM Roberto Ferrari <rferrari at mbigroup.it> wrote:
>>
>> Hello everybody,
>> I'd like to understand a strange behavior of a cluster of mine with,
>> basically, some IPAddr resource and a systemd resource that deals with
>> netfilter-persistent.
>> Here the configuration:
>>
>> primitive FW-VIP-Outside IPaddr2 \
>>           params ip=192.168.26.74 cidr_netmask=24 nic=outside arp_bg=true \
>>           op monitor interval=20s timeout=20s
>> primitive FW-VIP-Private IPaddr2 \
>>           params ip=192.168.104.100 cidr_netmask=24 nic=private arp_bg=true \
>>           op monitor interval=20s timeout=20s
>> primitive Netfilter systemd:netfilter-persistent \
>>           op start interval=0 timeout=60 \
>>           op stop interval=0 timeout=60
>> group FW-VIPs FW-VIP-Private FW-VIP-Outside Netfilter
>> The active node, when I reboot the server, hangs shutting down for many
>> minutes writing:
>>
>> A stop job is running for Pacemaker High Availability Cluster Manager (
>> 11 s / 30 min). (where 11 is the number of seconds already passed)
>>
>> Obviously switching to another master is immediate and performing
>> syetmctl stop netfilter-persistent is immediate too.
>>
>> Do you have any hint on what goes wrong with this? I cannot find
>> anything strange in the logs.
>>
>> Thanks a lot,
>>
>> Roberto.
> 
> Is the netfilter systemd unit enabled outside pacemaker? Run
> `systemctl is-enabled netfilter-persistent` to find out, and run
> `systemctl disable netfilter-persistent` to disable it if it's
> enabled. Only Pacemaker should start or stop netfilter.
> 
>>
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> 
> 
> --
> Regards,
> 
> Reid Wahl (He/Him)
> Senior Software Engineer, Red Hat
> RHEL High Availability - Pacemaker
> 
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Thank's a lot Reid,
Unfortunately it wasn't my case, netfilter-persistent seemed to be 
disabled at boot.
Cheers,

R.
-- 


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