add: scrub

zfs-backup.py

@@ -29,8 +29,10 @@ def main():
     external_pool = ExternalPool.find_from_dict(config.backup_pools)
     external_pool.import_()
     try:
+        external_pool.scrub()
         local_pool.backup_to(external_pool)
         clean_old_snapshots(external_pool)
+        external_pool.scrub()
     finally:
         external_pool.export()
 
@@ -115,6 +117,12 @@ class ZFS:
             stdin=sender.stdout,
         )
 
+    @staticmethod
+    def scrub(pool: str, *, wait_for_finish=True) -> None:
+        run_command([config.ZPOOL, "scrub", pool])
+        if wait_for_finish:
+            run_command([config.ZPOOL, "wait", "-t", "scrub", pool])
+
 
 class Disk:
     def __init__(self, uuid: UUID, name: str):
@@ -211,6 +219,9 @@ class ExternalPool(Pool):
     def _export_pool(self) -> None:
         ZFS.export_pool(self.name)
 
+    def scrub(self) -> None:
+        ZFS.scrub(self.name)
+
     @classmethod
     def find_from_dict(cls, backup_pools: dict[str, UUID]) -> ExternalPool:
         present_uuids = [item.name for item in DISK_BY_UUID.iterdir()]