Error: concurrent.futures.process._RemoteTraceback: """ Traceback (most recent call last): File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 273, in __zfs_vdev_operation op(target, *args) File "libzfs.pyx", line 465, in libzfs.ZFS.__exit__ File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 273, in __zfs_vdev_operation op(target, *args) File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 328, in <lambda> self.__zfs_vdev_operation(name, label, lambda target: target.offline()) File "libzfs.pyx", line 2294, in libzfs.ZFSVdev.offline libzfs.ZFSException: cannot offline /dev/disk/by-partuuid/2ad0d345-a834-449f-a952-e6a7ce75f679: no valid replicas During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/lib/python3.9/concurrent/futures/process.py", line 243, in _process_worker r = call_item.fn(*call_item.args, **call_item.kwargs) File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 115, in main_worker res = MIDDLEWARE._run(*call_args) File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 46, in _run return self._call(name, serviceobj, methodobj, args, job=job) File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 40, in _call return methodobj(*params) File "/usr/lib/python3/dist-packages/middlewared/worker.py", line 40, in _call return methodobj(*params) File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1322, in nf return func(*args, **kwargs) File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 328, in offline self.__zfs_vdev_operation(name, label, lambda target: target.offline()) File "/usr/lib/python3/dist-packages/middlewared/plugins/zfs.py", line 275, in __zfs_vdev_operation raise CallError(str(e), e.code) middlewared.service_exception.CallError: [EZFS_NOREPLICAS] cannot offline /dev/disk/by-partuuid/2ad0d345-a834-449f-a952-e6a7ce75f679: no valid replicas """ The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/middlewared/main.py", line 196, in call_method result = await self.middleware._call(message['method'], serviceobj, methodobj, params, app=self) File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1335, in _call return await methodobj(*prepared_call.args) File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1318, in nf return await func(*args, **kwargs) File "/usr/lib/python3/dist-packages/middlewared/schema.py", line 1186, in nf res = await f(*args, **kwargs) File "/usr/lib/python3/dist-packages/middlewared/plugins/pool.py", line 1157, in offline await self.middleware.call('zfs.pool.offline', pool['name'], found[1]['guid']) File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1386, in call return await self._call( File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1343, in _call return await self._call_worker(name, *prepared_call.args) File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1349, in _call_worker return await self.run_in_proc(main_worker, name, args, job) File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1264, in run_in_proc return await self.run_in_executor(self.__procpool, method, *args, **kwargs) File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1249, in run_in_executor return await loop.run_in_executor(pool, functools.partial(method, *args, **kwargs)) middlewared.service_exception.CallError: [EZFS_NOREPLICAS] cannot offline /dev/disk/by-partuuid/2ad0d345-a834-449f-a952-e6a7ce75f679: no valid replicas