Re: best practice for HA cluster

2019-02-08 Thread Wietse Venema
Harald Koch: > On Fri, Feb 8, 2019, at 06:40, Emmanuel Fust? wrote: > > > > Never use shared storage. It will be your main source of problems. > > Recognizing that shared storage is always a headache: > > How do you handle the situation where your active node crashes with queued, > undelivered

Re: best practice for HA cluster

2019-02-08 Thread Emmanuel Fusté
Le 08/02/2019 à 15:58, Harald Koch a écrit : On Fri, Feb 8, 2019, at 06:40, Emmanuel Fusté wrote: Never use shared storage. It will be your main source of problems. Recognizing that shared storage is always a headache: How do you handle the situation where your active node crashes with queued,

Re: best practice for HA cluster

2019-02-08 Thread Harald Koch
On Fri, Feb 8, 2019, at 06:40, Emmanuel Fusté wrote: > > Never use shared storage. It will be your main source of problems. Recognizing that shared storage is always a headache: How do you handle the situation where your active node crashes with queued, undelivered messages? -- Harald Koch c.

Re: best practice for HA cluster

2019-02-08 Thread Toens Bueker
De Petter Mattheas wrote: > Yeas we have F5 loadbalancer. > But how do we shift the config? as far as i know there is no central mgmt for > postfix only config files on node 1 and node 2 I would use cfengine3 to enforce a config (ideally the same config) on both nodes (which would be up an runn

Re: best practice for HA cluster

2019-02-08 Thread curtis
ostfix-us...@postfix.org On > Behalf Of Toens Bueker > Sent: 08 February 2019 14:27 > To: Postfix users > Subject: Re: best practice for HA cluster > > De Petter Mattheas wrote: > >> But we need an active passive setup and a shared config, when config a gets >>

RE: best practice for HA cluster

2019-02-08 Thread De Petter Mattheas
    -Original Message- From: owner-postfix-us...@postfix.org On Behalf Of Toens Bueker Sent: 08 February 2019 14:27 To: Postfix users Subject: Re: best practice for HA cluster De Petter Mattheas wrote: > But we need an active passive setup and a shared config, when config a get

Re: best practice for HA cluster

2019-02-08 Thread Toens Bueker
De Petter Mattheas wrote: > But we need an active passive setup and a shared config, when config a gets a > change be should have exact the same config. > > How would you set this up ? If you have a high available loadbalancer, you should use that to enable active/passive (if node one fails, s

RE: best practice for HA cluster

2019-02-08 Thread De Petter Mattheas
Subject: Re: best practice for HA cluster Le 08/02/2019 à 11:35, De Petter Mattheas a écrit : > > Hello > > Which work method do you guys prefer for ha with postfix? > > 2 postfix nodes with f5 load balancer active passive and shared > storage for the que > > How c

Re: best practice for HA cluster

2019-02-08 Thread Emmanuel Fusté
Le 08/02/2019 à 11:35, De Petter Mattheas a écrit : Hello Which work method do you guys prefer for ha with postfix? 2 postfix nodes with f5 load balancer active passive and shared storage for the que How can you share config between active and passive ? can we use my sql cluster for config

best practice for HA cluster

2019-02-08 Thread De Petter Mattheas
Hello Which work method do you guys prefer for ha with postfix? 2 postfix nodes with f5 load balancer active passive and shared storage for the que How can you share config between active and passive ? can we use my sql cluster for configuration sharing between the two nodes? Ha proxy or ha c