Known Issue: Writer's Status is not Stable for Oracle Databases
Summary:
While attempting to back up Oracle Databases, you receive an error message stating that a writer's status is not stable.
This article applies to:
| Carbonite Plans | Products | Platforms |
| Power and Ultimate (Not sure?) | Carbonite Safe Server Backup (Not sure?) | Windows |
Oracle backup are only supported in version 5.6.
Cause:
It indicates the Database is in No Archivelog mode and is opened in a Read Write state. Volume Shadow Copy Service (VSS) does not support backing up a database in this configuration.
An event will be logged in the Windows Applications event logs:
Event Type: Error
Event Source: Oracle.VSSWriter.ORCL
Event Category: (255)
Event ID: 44
Date: 9/7/2012
Time: 3:57:39 AM
User: N/A
Computer: ORACLE11G-WIN
Description:
VSS-00044: Database in NOARCHIVELOG mode must be in a consistent state for backup.
Cause : The database was open read/write or mounted after a SHUTDOWN IMMEDIATE
or SHUTDOWN ABORT.
Action : Either mount the database in a consistent state or open it read-only
to back up the database files.
Additional info :
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - Production
Oracle VSS writer version 11.1.0.6.0 Production
Error at line : 4558
Failure on PrepareForBackup event
Solution:
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Verify the Database Mode and State
To verify the database mode and state:
- Open Oracle SQL Plus
- Run the following commands
- SQLPLUS /NOLOG
- CONNECT username/password AS SYSDBA
- SELECT log_mode from v$database;
- SELECT open_mode FROM v$database;
Mount the Database in Read-Only State
To mount the database in read-only state:
- Open Oracle SQL Plus
- Run the following commands
- SQLPLUS /NOLOG
- CONNECT username/password AS SYSDBA
- SHUTDOWN
- STARTUP MOUNT



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