数据备份报错 -4016 的原因和解决方法

[2024-09-24 17:39:13.360947] WDIAG [STORAGE] read_file_trailer_ (ob_backup_index_store.cpp:271) [1449849][T1004_PREFETCH_][T1004][xxxxx-xxxxx-xxxxx-xxxxx] [lt=9][errcode=-4016] backup index file too small(ret=-4016, file_length=0, trailer_len=32)
[2024-09-24 17:39:13.360955] WDIAG [STORAGE] init (ob_backup_index_store.cpp:353) [1449849][T1004_PREFETCH_][T1004][xxxxx-xxxxx-xxxxx-xxxxx] [lt=8][errcode=-4016] failed to read file trailer(ret=-4016, backup_path={cur_pos:162, path:"file:///obbackup/ob_pro_btx_xxxxx/xxxxx/tenant_incarnation_1/1004/data/backup_set_1_full/infos/minor_data_info_turn_1/tenant_minor_data_meta_index.0.obbak"}, backup_dest_.get_storage_info()=0x7f6935e10470)
[2024-09-24 17:39:13.360967] WDIAG [STORAGE] build_tenant_meta_index_store_ (ob_backup_utils.cpp:2341) [1449849][T1004_PREFETCH_][T1004][xxxxx-xxxxx-xxxxx-xxxxx] [lt=11][errcode=-4016] failed to init macro index store(ret=-4016, param={job_id:1, task_id:1, backup_dest:{root_path:"file:///obbackup/ob_pro_btx_xxxxx/xxxxx/tenant_incarnation_1/1004/data", storage_info:{endpoint:"", access_id:"", extension:"", type:"FILE"}}, tenant_id:1004, dest_id:1002, backup_set_desc:{backup_set_id:1, backup_type:{type:1}, min_restore_scn:{val:18446744073709551615, v:3}, total_bytes:0}, ls_id:{id:1001}, turn_id:1, retry_id:0}, backup_data_type={type:2})
[2024-09-24 17:39:13.360985] WDIAG [STORAGE] check_tablet_continuity_ (ob_backup_utils.cpp:2275) [1449849][T1004_PREFETCH_][T1004][xxxxx-xxxxx-xxxxx-xxxxx] [lt=17][errcode=-4016] failed to init meta index store(ret=-4016)
[2024-09-24 17:39:13.360997] WDIAG [STORAGE] prepare_tablet_ (ob_backup_utils.cpp:1720) [1449849][T1004_PREFETCH_][T1004][xxxxx-xxxxx-xxxxx-xxxxx] [lt=4][errcode=-4016] failed to check tablet continuity(ret=-4016, ls_id={id:1001}, tablet_id={id:200008}, tablet_handle={obj:0x7f8679f7ce00, obj_pool:0x7f85532c3670, allocator:null, wash_priority:0, allow_copy_and_assign:true})