Guidance sought -- re Warnings following backup run

jmck · September 17, 2021, 4:58am

Hi there

I am new to Duplicati.

On running a backup, 24 Warning messages were presented.
Wondering how these are best resolved?
I presume the ralated files were not backed up – is that correct?

Duplicati screen copy and paste:

Sep 17, 2021 2:26 PM - Operation: Backup
Time Start 2021-09-17 14:22:20 End 2021-09-17 14:26:29 Duration 00:04:09
Source Files Examined 7835 (98.27 GB) Opened 468 (12.59 GB) Added 457 (12.52 GB) Modified 11 (68.95 MB) Deleted 184
Test Phase Warnings 24

2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\System Volume Information\
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\System Volume Information\
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.MetadataGenerator.Metadata-MetadataProcessFailed]: Failed to process metadata for "D:\DumpStack.log", storing empty metadata
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.MetadataGenerator.Metadata-MetadataProcessFailed]: Failed to process metadata for "D:\DumpStack.log.tmp", storing empty metadata
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileBlockProcessor.FileEntry-PathProcessingFailed]: Failed to process path: D:\DumpStack.log
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileBlockProcessor.FileEntry-PathProcessingFailed]: Failed to process path: D:\DumpStack.log.tmp
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\System Volume Information\
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.MetadataGenerator.Metadata-MetadataProcessFailed]: Failed to process metadata for "D:\System Volume Information\", storing empty metadata
2021-09-17 14:22:24 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\System Volume Information\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-2800687128-566568502-1112790091-1000\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-2800687128-566568502-1112790091-1000\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-1251561051-1078964320-4203531199-1001\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-1251561051-1078964320-4203531199-1001\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-18\
2021-09-17 14:22:26 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-18\
2021-09-17 14:26:17 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-2800687128-566568502-1112790091-1000\
2021-09-17 14:26:17 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.MetadataGenerator.Metadata-MetadataProcessFailed]: Failed to process metadata for "D:\$RECYCLE.BIN\S-1-5-21-2800687128-566568502-1112790091-1000\", storing empty metadata
2021-09-17 14:26:17 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-2800687128-566568502-1112790091-1000\
2021-09-17 14:26:17 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.FileEnumerationProcess-FileAccessError]: Error reported while accessing file: D:\$RECYCLE.BIN\S-1-5-21-1251561051-1078964320-4203531199-1001\
2021-09-17 14:26:17 +10 - [Warning-Duplicati.Library.Main.Operation.Backup.MetadataGenerator.Metadata-MetadataProcessFailed]: Failed to process metadata for "D:\$RECYCLE.BIN\S-1-5-21-1251561051-1078964320-4203531199-1001\", storing empty metadata

Errors 0

Many thanks.
jmck

Coises · September 17, 2021, 7:33am

It looks like you’re backing up your entire D: drive. You surely want to exclude “$RECYCLE.BIN” and “System Volume Information” — those are hidden folders, so you’ll need to check the “Show hidden folders” box in order to see them, so you can exclude them. “DumpStack.log” and “DumpStack.log.tmp” are hidden files which you also would have no reason to include in a backup.

You might want to re-think your strategy of backing up the entire drive instead of selecting the specific folders you want to include. If your purpose is to produce a drive image that you can use to restore the drive exactly, Duplicati is not the right tool for that job. Otherwise, there is probably data on that drive you need to protect from loss, and data that is transient and not worth including in a backup. In my experience (others may have better advice – I’m no expert!), separate backups of separate folders are more manageable than a single backup comprising many top-level folders. Because of the need to rebuild the “local database” (a database Duplicati needs so it knows how the files it stores in the backup destination relate to the source files on your computer) after a disaster like a drive failure, restore times grow much faster than the size of the backup and the number of files as those values increase.