Note
- For V4.4.2, this view is available starting from V4.4.2 BP2.
- For V4.6.x versions, this view is available starting from V4.6.0.
Overview
The DBA_OB_BACKUP_VALIDATE_TASK_HISTORY view displays the execution history of backup validation tasks initiated by the current tenant. Each task corresponds to a validation task for a backup set or log archive piece.
Columns
Column |
Type |
Nullable |
Description |
|---|---|---|---|
| TASK_ID | NUMBER(38) | NO | The task ID. |
| INCARNATION | NUMBER(38) | NO | Incarnation ID |
| JOB_ID | NUMBER(38) | NO | Job ID of the task. |
| TASK_TYPE | VARCHAR2(64) | NO | Validation task type:
|
| ID | NUMBER(38) | YES | The backup_set_id of the backup set to be validated or the piece_id of the log archive piece |
| PATH | CLOB | YES | Backup path or log archive path to validate |
| PATH_TYPE | VARCHAR2(64) | YES | Valid path types:
|
| DEST_ID | NUMBER(38) | YES | ID of the backup or archive path to be validated |
| PLUS_ARCHIVELOG | VARCHAR2(64) | NO | Whether compensation logs are included |
| INITIATOR_TASK_ID | NUMBER(38) | NO | Parent task ID of the compensation log validation task. 0 if not specified. |
| VALIDATE_LEVEL | VARCHAR2(64) | NO | Validation level:
|
| ROUND_ID | NUMBER(38) | NO | Round ID of the log archive piece, or 0 if not specified. |
| START_TIMESTAMP | VARCHAR2(256) | NO | Start time of the validation task |
| END_TIMESTAMP | VARCHAR2(256) | NO | End time of the validation task |
| STATUS | VARCHAR2(64) | NO | Task status:
|
| TOTAL_LS_COUNT | NUMBER(38) | YES | Number of Log Streams Included in the Task |
| FINISH_LS_COUNT | NUMBER(38) | YES | Number of log streams validated |
| TOTAL_BYTES | NUMBER(38) | YES | Estimated data volume to be validated, in bytes |
| VALIDATED_BYTES | NUMBER(38) | YES | The amount of data that has been validated, in bytes |
| RESULT | NUMBER(38) | NO | Error code information of the validation result |
| COMMENT | VARCHAR2(4096) | YES | Reason description for the validation task failure |
Sample query
You can view the execution history of task-level backup validation tasks initiated by the current tenant.
obclient(sys@oracle001)[SYS]> SELECT * FROM SYS.DBA_OB_BACKUP_VALIDATE_TASK_HISTORY\G
The query result is as follows:
*************************** 1. row ***************************
TENANT_ID: 1004
TASK_ID: 3
INCARNATION: 1
JOB_ID: 2
TASK_TYPE: BACKUPSET
ID: 1
PATH: file:///data/nfs/backup/data/backup_set_1_full
PATH_TYPE: BACKUP_SET_DEST
DEST_ID: 1002
PLUS_ARCHIVELOG: OFF
INITIATOR_TASK_ID: 0
VALIDATE_LEVEL: basic
ROUND_ID: 0
START_TIMESTAMP: 2026-03-04 14:08:20
END_TIMESTAMP: 2026-03-04 14:08:21
STATUS: COMPLETED
TOTAL_LS_COUNT: 2
FINISH_LS_COUNT: 2
TOTAL_BYTES: 20887564
VALIDATED_BYTES: 0
RESULT: 0
COMMENT: NULL
1 row in set
References
View information about task-level backup validation tasks for the current tenant: DBA_OB_BACKUP_VALIDATE_TASKS
View job-level backup validation tasks for the current tenant:
View all tenant job-level backup validation tasks:
View all tenant task-level backup validation tasks: