Problems with restore of individual files
When you restore individual files (not the entire virtual machine), the restore may fail in certain cases. The following table describes the problems and recommended actions for the restore of individual files.
Table: Problems with restore of individual files
Cause of the problem | Description and recommended action |
|---|---|
Files are selected from multiple drives (volumes) on the virtual machine. | For example: The original virtual machine had two drives (C:\ and D:\), and files from each drive are selected in the same restore operation. Messages similar to the following appear in the job progress log: 13:26:05 (86.001) (86.001) INF - Skipping to next file header... 13:26:05 (86.001) (86.001) INF - TAR EXITING WITH STATUS = 0 13:26:05 (86.001) (86.001) INF - TAR RESTORED 11368 OF 11463 FILES SUCCESSFULLY 13:26:05 (86.001) (86.001) INF - TAR KEPT 0 EXISTING FILES 13:26:05 (86.001) (86.001) INF - TAR PARTIALLY RESTORED 0 FILES 13:26:15 (86.001) Status of restore from image created 7/21/2008 2:55:05 PM = the requested operation was partially successful Select files from a single drive at a time. Selecting files from multiple drives is not supported. |
You have attempted to restore the files into a mapped drive on the virtual machine. The restore fails with NetBackup status code 185. | Restore the files by means of a shared location on the virtual machine (with a UNC path) rather than by means of a mapped drive. See Restoring individual Hyper-V files to a shared location on the virtual machine. |
The snapshot contains invalid inodes. | Windows Hyper-V provides no mechanism for quiescing file system activity on Linux virtual machines. As a result, invalid inodes may be present in the snapshot. A backup that was made with the option may have file-mapping failures if the virtual machine experiences heavy I/O. The failures are reported in this form: ERR - Unable to read metadata for index: 379023, VFM error = 6. Note that the backup succeeds, but any files with metadata errors cannot be restored individually. For the backups that enable individual restore of all files, schedule the backup when the I/O activity is lower. If metadata errors persist, shut down the virtual machine during the backup. |