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Revision as of 20:00, 28 April 2020

Errors in incremental backups


   KB 23304        Last updated on 2020-04-28  




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Problem

When the system performs an automatic incremental backup, indicates the following message: Finished with errors

This error occurs only when you perform incremental backups. The error message is as follows :

Found gap in redo log sequence; missing 1414 through 1446; To avoid future restore problems, discard all existing backups and take a full backup of all accounts; If this error occurred during restore, try the --ignoreRedoErrors option
com.zimbra.cs.backup.BackupServiceException: Found gap in redo log sequence; missing 1414 through 1446; To avoid future restore problems, discard all existing backups and take a full backup of all accounts; If this error occurred during restore, try the --ignoreRedoErrors option 
ExceptionId:qtp662845511-542373:https://127.0.0.1:7071/service/admin/soap/BackupRequest:1463637618095:568e4f96fbb74864 
Code:backup.REDOLOG_OUT_OF_SEQUENCE 
	at com.zimbra.cs.backup.BackupServiceException.REDOLOG_OUT_OF_SEQUENCE(BackupServiceException.java:91) 
        at com.zimbra.cs.backup.util.Utils.splitRedoLogsAtSeq(Utils.java:302)
        at com.zimbra.cs.backup.FileBackupTarget$FileBackupSet.backupRedoLogs(FileBackupTarget.java:1360)
        at com.zimbra.cs.backup.BackupSet.startIncrementalBackup(BackupSet.java:817)
        at com.zimbra.cs.backup.FileBackupTarget$FileBackupSet.startIncrementalBackup(FileBackupTarget.java:1067)
        at com.zimbra.cs.backup.BackupManager.backupIncremental(BackupManager.java:336)
        at com.zimbra.cs.service.backup.Backup.handleNetworkRequest(Backup.java:153)
        at com.zimbra.cs.service.NetworkDocumentHandler.handle(NetworkDocumentHandler.java:23)
        at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEngine.java:569)
        at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:432)

Solution

  • During a backup, if the above error is seen, the recommendation is to move the old backups out. The directories in /opt/zimbra/backup/sessions/* .

It's advised to keep them somewhere at a different location to be on the safer side and then proceed to do a full backup.

  • Another possibe cause is if the /tmp or /opt/zimbra/redolog/ is filling up. Ensure that there is enough disk space available.


Submitted by: Aarti Shah
Verified Against: ZCS 8.8 Date Created: 2020-04-13
Article ID: https://wiki.zimbra.com/index.php?title=Errors_in_incremental_backups Date Modified: 2020-04-28



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