On Wednesday, 20 October 2021, 18:08:50 BST, Andrei Borzenkov
wrote:
It depends on what hardware you have. For physical systems IPMI may be
available or managed power outlets; both allow cutting power to another
node over LAN.
For virtual machines you may use fencing agent that contacts
On 20.10.2021 17:54, Ian Diddams wrote:
>
>
> On Wednesday, 20 October 2021, 11:15:48 BST, Andrei Borzenkov
> wrote:
>
>
>> You cannot resolve split brain without fencing. This is as simple as
>> that. Your pacemaker configuration (from another mail) shows
>
>> pcs -f clust_cfg
On Wednesday, 20 October 2021, 11:15:48 BST, Andrei Borzenkov
wrote:
>You cannot resolve split brain without fencing. This is as simple as
>that. Your pacemaker configuration (from another mail) shows
> pcs -f clust_cfg property set stonith-enabled=false
> pcs -f clust_cfg property
On Wed, Oct 20, 2021 at 11:54 AM Ian Diddams via Users
wrote:
>
> So - system logs recently show this
>
> ESTRELA
> Oct 18th
> Oct 18 04:04:28 wp-vldyn-estrela kernel: [584651.491139] drbd mysql01/0
> drbd0: Split-Brain detected, 1 primaries, automatically solved. Sync from
> peer node
> Oct 18
I've been testing an implementation of a HA mysql cluster for a few months now.
I came to this project with no preior knoweldge of what was copncerned/needed
and have learned orgainscally via various online how-tos and web sites which
many cases wrere slightly out-of-date to missing large