Allow Multi-Volume Storage Configuration in Distributed Storage

Why it matters

This feature enables users to leverage multi-volume storage setups in ClickHouse when using the Distributed table engine, improving flexibility and storage management by distributing data and load across multiple storage volumes.

How to use it

Configure multi-volume storage in the server configuration files for the underlying tables, and use the Distributed engine as usual. The engine will automatically support and utilize the multi-volume setup without additional changes.