Re: [PATCH] sysbench: fix A/B testing device configuration conflicts

On Tue, Sep 16, 2025 at 02:46:45PM +0200, Daniel Gomez wrote:
> From: Daniel Gomez <[email protected]>
> 
> The sysbench workflow automatically enables A/B testing for atomic write
> tests, but the single CONFIG_SYSBENCH_DEVICE configuration causes device
> conflicts where both baseline and dev nodes try to use the same physical
> device.
> 
> This commit implements separate device configuration for A/B testing:
> 
> * Add CONFIG_SYSBENCH_DEVICE_BASELINE for baseline nodes
> * Add CONFIG_SYSBENCH_DEVICE_DEV for dev nodes
> * Update CONFIG_SYSBENCH_DEVICE to work with single-node setups
> * Add Ansible device resolution logic to automatically assign the
>   correct device based on node group membership
> * Add validation script to detect device conflicts and provide
>   clear error messages with solutions
> * Integrate validation into sysbench Makefile to run automatically
> 
> The solution maintains backward compatibility for non-A/B configurations
> while eliminating device conflicts in A/B testing scenarios.
> 
> Generated-by: Claude AI
> Signed-off-by: Daniel Gomez <[email protected]>

Applied and pushed, thanks!

  Luis