Module block_migration_planner 

Block migration planner: schedules and tracks data movement between storage nodes/tiers.

This module provides BlockMigrationPlanner which registers blocks, creates and executes migration plans, schedules migrations by policy, runs batch migrations, and generates defragmentation plans to balance data across nodes.

Structs

BlockMigrationPlanner

Block migration planner: registers blocks, creates plans, executes them, and provides scheduling and defragmentation helpers.

BmpBatchResult

Aggregated result of a BlockMigrationPlanner::run_batch_migration call.

BmpBlockMeta

Metadata tracked for each registered block.

BmpExecutionResult

Result of executing a single plan.

BmpMigrationPlan

A migration plan grouping one or more blocks for movement to a destination node.

BmpMigrationRecord

Per-block execution record appended to the execution log.

BmpPlannerConfig

Planner behaviour configuration.

BmpPlannerStats

Aggregate statistics returned by BlockMigrationPlanner::migration_stats.

Enums

BmpError

Errors returned by BlockMigrationPlanner operations.

BmpPlanStatus

Lifecycle state of a BmpMigrationPlan.

BmpPriorityPolicy

Policy for ordering migration candidates when scheduling.

Functions

bmp_id_from_bytes

Build a BmpBlockId deterministically from arbitrary bytes using FNV-1a.

Type Aliases

BmpBlockId

32-byte content-addressed block identifier (e.g. SHA-256 digest).

BmpBlockMigrationPlanner

Alias for BlockMigrationPlanner — used in pub re-exports.

BmpPlanId

Opaque numeric identifier for a migration plan.