[pve-devel] [PATCH docs 3/5] ha: rules: document crs behavior for split positive resource affinity

[Daniel Kral]

Hey Michael!

Thanks for taking a look!

On Tue Aug 5, 2025 at 9:42 AM CEST, Michael Köppl wrote:
> On 8/4/25 16:12, Daniel Kral wrote:
>> Signed-off-by: Daniel Kral <d.kral at proxmox.com>
>> ---
>>  ha-manager.adoc | 5 +++++
>>  1 file changed, 5 insertions(+)
>> 
>> diff --git a/ha-manager.adoc b/ha-manager.adoc
>> index 5d75287..e18a14d 100644
>> --- a/ha-manager.adoc
>> +++ b/ha-manager.adoc
>> @@ -787,6 +787,11 @@ HA resources `vm:101` and `vm:102` are each in a positive resource affinity
>>  rule, then it is the same as if `vm:100`, `vm:101` and `vm:102` would have been
>>  in a single positive resource affinity rule.
>>  
>> +NOTE: If the HA resources of a positive resource affinity rule are currently
>> +running on different nodes, the CRS will move the HA resources to the node,
>> +where most of them are running already. If there is a tie in the HA resource
>> +count, the node with the alphabetically first name is chosen.
>
> maybe something like:
>
> "the node whose name appears first alphabetically is selected"

ACK, I'll use "first in alphabetical order" though as it seems ambiguous
to me whether first comes before or after alphabetically

>
> just a suggestion, though
>
>> +
>>  However, suppose there are computationally expensive, and/or distributed
>>  programs running on the HA resources `vm:200` and `ct:300`, for example,
>>  sharded database instances. In that case, running them on the same node could