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Question about viewing logs

  • 26 May 2021
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Question:

How do I view the logs that tell me why there are several failed to backup extent errors

 

 

 

logs

 

File    : clBackupChild.log

27357 6add 05/26 01:03:35 1873512 ClBackupFile::BackupExtent(7122) - Failed to backup [/var/log/lastlog/5] as extents. Error=[0xEDA00001:{ClBackupFile::BackupExtent(7114)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(734)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(726)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::PopulateAndSendData(632)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::BackupDataForSparseFile(575)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(563)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(536)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadSparseFileFromOffset(417)} + {FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(170)/CV.0x1-Failed to seek to offset: 2147483648, error: Invalid argument}]
27357 6add 05/26 01:03:35 1873512 FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(169) - Failed to seek to offset: 2516582400, error: Invalid argument
27357 6add 05/26 01:03:35 1873512 ClBackupFile::BackupExtent(7122) - Failed to backup [/var/log/lastlog/6] as extents. Error=[0xEDA00001:{ClBackupFile::BackupExtent(7114)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(734)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(726)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::PopulateAndSendData(632)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::BackupDataForSparseFile(575)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(563)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(536)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadSparseFileFromOffset(417)} + {FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(170)/CV.0x1-Failed to seek to offset: 2516582400, error: Invalid argument}]
27357 6add 05/26 01:03:35 1873512 FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(169) - Failed to seek to offset: 2936012800, error: Invalid argument
27357 6add 05/26 01:03:35 1873512 ClBackupFile::BackupExtent(7122) - Failed to backup [/var/log/lastlog/7] as extents. Error=[0xEDA00001:{ClBackupFile::BackupExtent(7114)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(734)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(726)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::PopulateAndSendData(632)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::BackupDataForSparseFile(575)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(563)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(536)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadSparseFileFromOffset(417)} + {FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(170)/CV.0x1-Failed to seek to offset: 2936012800, error: Invalid argument}]
27357 6add 05/26 01:03:35 1873512 FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(169) - Failed to seek to offset: 3355443200, error: Invalid argument
27357 6add 05/26 01:03:36 1873512 ClBackupFile::BackupExtent(7122) - Failed to backup [/var/log/lastlog/8] as extents. Error=[0xEDA00001:{ClBackupFile::BackupExtent(7114)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(734)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::DoExtentBackup(726)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::PopulateAndSendData(632)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::BackupDataForSparseFile(575)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(563)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadAndSendSparseFileData(536)} + {FILEASEXTENTSAPI::CFileExtentBackupWorkerBase::ReadSparseFileFromOffset(417)} + {FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(170)/CV.0x1-Failed to seek to offset: 3355443200, error: Invalid argument}]
27357 6add 05/26 01:03:36 1873512 FILEASEXTENTSAPI::CFileExtentReadFileHandlerUNIX::SeekToOffset(169) - Failed to seek to offset: 3774873600, error: Invalid argument

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Best answer by Gowri Shankar 26 May 2021, 21:38

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Increasing debug on clBackupChild log will provide more information about the failure. 

 

Following the link to increase debug ->https://documentation.commvault.com/commvault/v11_sp20/article?p=114289.htm

 

Module : clBackupChild

Debuglevel : 6

File Versions : 20

(Please note this will retain additional logs and may need additional disk space on the Linux client)

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