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Prevent Oracle archiver stalls by monitoring both archive-destination health and redo progress, retaining alert-log history, and alerting before storage or connectivity failures block archiving. An ORA-00257 means the archiver encountered an error while writing redo; a full destination is common, but a failed mandatory destination or another underlying error can also be responsible. If the problem is not fixed, Oracle warns that transaction processing can stop. Start with the alert log and archiver trace, then identify the affected destination before changing storage or configuration.
What an Oracle archiver stall means
Oracle’s ORA-00257 error documentation says the archiver received an error while trying to archive a redo log. The destination device being out of space is the likely cause identified by Oracle, but a failed MANDATORY destination is another possibility. The error alone does not prove that a disk is full: use the alert log and archiver trace to find the operating-system, storage, configuration, or remote-service error behind it.
This matters because Oracle says unresolved archiver errors can eventually stop transaction execution. Treat the alert as an availability incident, not merely a warning about disk usage.
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Build a baseline of every archive destination
Record each configured destination, including local paths and remote targets such as Data Guard destinations. For each one, document its destination ID or name, expected path or service, whether it is MANDATORY or OPTIONAL, expected owner, and normal operational state. The distinction matters: Oracle’s V$ARCHIVE_DEST reference describes mandatory and optional binding and how optional destinations interact with LOG_ARCHIVE_MIN_SUCCEED_DEST. A failure’s impact therefore depends on the configuration, not just on which path reported an error.
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Monitor destination state and redo progress
Use V$ARCHIVE_DEST to inspect configured destination state and error details. At a minimum, alert when a destination reports FULL, ERROR, DISABLED, or BAD PARAM, or when its error field is non-empty. Include the database and instance identity, destination ID or name, state, and error text in the notification so the responder can locate the affected target quickly.
Use V$ARCHIVE_DEST_STATUS for runtime status and progress context, including recent archived sequence information and, for standby destinations, applied sequence and redo-gap status. Oracle describes this view as displaying runtime and configuration information for archived redo destinations in its V$ARCHIVE_DEST_STATUS reference.
These views answer related but different questions: destination configuration and errors versus current runtime and sequence context. The status information in V$ARCHIVE_DEST_STATUS is not retained across an instance shutdown. Send observations to a monitoring system or correlate them with retained alert-log events so a restart does not erase the history needed to understand a recurring problem.
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Alert on errors and stalled progress
Watch the Oracle alert log
Monitor the alert log for ORA-00257 and related archiving errors, including ORA-16038 where applicable. Oracle Enterprise Manager documents a metric for archiver errors or hangs recorded in the alert file; its guidance directs operators to inspect the alert log and archiver trace. See the Enterprise Manager 24.1 Database Metric Reference for that product-specific metric.
Choose detection cadence for your environment
The Enterprise Manager 24.1 reference lists a 15-minute collection frequency for its described alert-log metric. That is a collection schedule for that metric and release, not a universal recommendation; a 15-minute interval may leave an unacceptable detection delay for some systems. Set collection cadence and notification routing according to redo generation, transport design, and recovery objectives, and monitor the health of the monitoring agent itself.
Detect missing sequence progress
Alert when a destination remains unhealthy or when archived sequence progress stops for longer than your environment’s acceptable interval. For standby targets, examine transport, applied sequence, and gap status rather than assuming that successful local archiving means the standby is current. Set the interval based on the system’s normal redo rate and recovery objectives; do not treat any single polling period as suitable for every database.
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Choose monitoring coverage that survives gaps
| Monitoring source | What it shows | Important limitation |
|---|---|---|
V$ARCHIVE_DEST |
Configured destination state, binding information, and error details. | It is a database view; pair current-state checks with retained monitoring history. |
V$ARCHIVE_DEST_STATUS |
Runtime destination state, sequence progress, and standby applied-sequence or gap context. | Runtime status does not persist across instance shutdown. |
| Alert-log monitoring | Recorded archiver errors and related events that can be retained for investigation. | Detection depends on collection cadence and on monitoring being operational. |
| Enterprise Manager archiver alert-log metric | A packaged metric and threshold surface for archiver errors or hangs recorded in the alert file. | The cited 24.1 reference lists 15-minute collection; metric details vary by product version. |
The strongest practical coverage combines live destination queries with retained alert-log monitoring. The queries show what is unhealthy now; retained events help establish when it began and whether it recurs.
Triage an alert without risking recoverability
- Read the alert log and archiver trace. Review the entries around the alert for the actual storage, operating-system, parameter, or remote-service failure. Oracle’s ORA-00257 guidance points to these diagnostics.
- Identify the affected destination. Check
V$ARCHIVE_DESTfor status, destination identity, binding, and error text. UseV$ARCHIVE_DEST_STATUSto assess runtime state, sequence progress, and standby gap context. - Check the underlying resource or service. Verify actual free capacity and quota at the named destination, then check mount availability, access, permissions, and remote connectivity as indicated by the specific error. Do not assume that a full filesystem is the cause.
- Correct the cause. Restore capacity or availability, repair connectivity, or correct an invalid parameter or failed mandatory destination. Oracle’s archive administration guidance emphasizes sufficient destination space and checking alert-log evidence for disk-full conditions.
- Verify recovery. Confirm that the destination returns to a usable state and that archived sequence progress resumes. For a standby, separately check transport, apply progress, and gap status.
Do not delete archived logs or disable a destination as a generic response. Before cleanup or configuration changes, validate the database’s backup and retention requirements and any Data Guard or recovery dependencies. The safe action depends on how the deployment uses those logs.
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Prevent a repeat stall
- Forecast archive-log volume against peak redo generation, retention policy, and backup behavior; alert on free space and quotas before writes fail.
- Monitor every configured destination, including remote targets and mandatory destinations, rather than checking only the local archive path.
- Set state and progress alerts that identify the destination and preserve error details, and route them to an owner able to investigate the named storage or service.
- Review destination configuration after storage, network, or database changes that could affect paths, parameters, permissions, or connectivity.
- Retain alert-log and monitoring history so operators can see how long a destination was unhealthy and recognize recurring failures.
Thresholds and progress intervals must reflect the installation’s redo rate, retention and recovery requirements, and transport design; Oracle’s documented error mechanism does not establish one universal capacity buffer or polling interval.
Version considerations
The cited dynamic-view references are for Oracle Database 26, the Enterprise Manager metric reference is version 24.1, and the archive administration guide is for an earlier 12c release. Oracle’s ORA-00257 entry also covers 19c and 21c. Check the reference documentation for the deployed database and Enterprise Manager versions before relying on exact view columns, metric names, thresholds, or collection behavior.
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