【 使用环境 】生产环境 or 测试环境
【 OB or 其他组件 】
【 使用版本 】4.3.4
【问题描述】清晰明确描述问题
数据备份失败，报超时，怎么排查原因
*************************** 29. row ***************************
TASK_ID: 29
JOB_ID: 29
INCARNATION: 1
BACKUP_SET_ID: 29
START_TIMESTAMP: 2025-05-29 13:50:29.849416
END_TIMESTAMP: 2025-05-29 13:55:25.694089
STATUS: FAILED
START_SCN: 1748497859418297000
END_SCN: 0
USER_LS_START_SCN: 0
ENCRYPTION_MODE: NONE
PASSWD:
INPUT_BYTES: 0
OUTPUT_BYTES: 0
OUTPUT_RATE_BYTES: 0.0000
EXTRA_META_BYTES: 0
TABLET_COUNT: 0
FINISH_TABLET_COUNT: 0
MACRO_BLOCK_COUNT: 0
FINISH_MACRO_BLOCK_COUNT: 0
FILE_COUNT: 0
META_TURN_ID: 1
DATA_TURN_ID: 0
RESULT: -4012
COMMENT: Timeout
PATH: file:///home/hyzn/data_backup/mysql_data_backup/2025-05-29-13-31-01
MINOR_TURN_ID: 1
MAJOR_TURN_ID: 1
29 rows in set (0.017 sec)
查看是否开启本地盘io隔离：
select * from GV$ob_group_io_stat where group_id >= 10000;
SELECT * FROM __all_disk_io_calibration;