Add clustered migration sync for shared disks (SYNCING barrier)#403
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fabi200123 wants to merge 1 commit intocloudbase:masterfrom
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Add clustered migration sync for shared disks (SYNCING barrier)#403fabi200123 wants to merge 1 commit intocloudbase:masterfrom
fabi200123 wants to merge 1 commit intocloudbase:masterfrom
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Introduce TASK_STATUS_SYNCING and TASK_TYPES_REQUIRING_CLUSTER_SYNC (DEPLOY_TRANSFER_DISKS, SHUTDOWN_INSTANCE) so multi-instance transfers with base_transfer_action.clustered=True wait for all peer tasks before marking COMPLETED and advancing dependents. - Add clustered boolean on base_transfer_action (DB migration 024) - Plumb clustered through create_instances_transfer, REST transfers API, deployment creation (inherits from parent transfer) - On task_completed: set SYNCING when barrier applies; when all peers are SYNCING, finalize (for deploy: dedupe volumes_info by disk_id, leader gets replicate_disk_data=True, followers False) - ReplicateDisksTask: skip provider replicate_disks for volumes with replicate_disk_data=False and merge back in export disk order - On set_task_error: abort peer tasks stuck in SYNCING for the same type Volumes schema already allows extra properties; replicate_disk_data is consumed by replication only (default True preserves behavior).
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Introduce TASK_STATUS_SYNCING and TASK_TYPES_REQUIRING_CLUSTER_SYNC (DEPLOY_TRANSFER_DISKS, SHUTDOWN_INSTANCE) so multi-instance transfers with base_transfer_action.clustered=True wait for all peer tasks before marking COMPLETED and advancing dependents.
Volumes schema already allows extra properties; replicate_disk_data is consumed by replication only (default True preserves behavior).