In Storage Spaces Direct, which provisioning provides near-instantaneous initial replication times?

In Storage Spaces Direct, which provisioning provides near-instantaneous initial replication times?

• A. Thick
• B. Thin
• C. Dynamic
• D. Sparse

Answer: (B)

Thin provisioning allows space to be allocated on demand rather than pre-allocated up front. In Storage Spaces Direct, this means a virtual disk can appear instantly with its full size, while actual blocks are created as data is written. Because replication happens as those blocks are allocated, initial replication can start immediately and complete quickly without waiting for the entire volume to be pre-allocated. Thick provisioning would require reserving all space first, which slows initial replication. Dynamic or sparse provisioning aren’t the standard S2D options for this behavior, so they don’t provide the same near-instantaneous replication advantage.

Thin provisioning allows space to be allocated on demand rather than pre-allocated up front. In Storage Spaces Direct, this means a virtual disk can appear instantly with its full size, while actual blocks are created as data is written. Because replication happens as those blocks are allocated, initial replication can start immediately and complete quickly without waiting for the entire volume to be pre-allocated. Thick provisioning would require reserving all space first, which slows initial replication. Dynamic or sparse provisioning aren’t the standard S2D options for this behavior, so they don’t provide the same near-instantaneous replication advantage.