When a scan like this is running, the Activity indicator on the PlexWeb main page shows a progress circle for each folder - further indicating that PMS is running an individual scan process on each folder.
So - the question is why does PMS queue up a individual scan for each and every folder/sub-folder on each of the SMB shares?
I can DM logs to a developer if they want to see them from the time period of this scan.
Your old logs indicated that there was a change to the files. Could just be their last accessed date.
The flag that tells PMS that a file changed comes from the OS that controls the drive itself, so Windows Server 2019. Do you have anything that may monitor and scan those folders? i.e. virus, backup, rclone, active directory, etc?
There is a backup job run by Veeam on the Server 2019, but that is at 01h30, and the folders in question are excluded from the backup job.
Windows Defender is running. Real Time Protection is enabled. There are no AV exclusions defined.
The server is an AD domain controller.
The three volumes that contain the three SMB shares do have data-deduplication enabled on them.
The Disable-DedupVolume cmdlet disables further data deduplication activity on one or more volumes. After you disable data deduplication, the volume remains in a deduplicated state and the existing deduplicated data is accessible. The server stops running data deduplication jobs for the volume and new data is not deduplicated. To undo data deduplication on a volume, use the Start-DedupJob cmdlet and specify Unoptimization for the Type parameter.
After you disable data deduplication on a volume, you can perform all read-only deduplication cmdlet operations on the volume. For example, you can use the Get-DedupStatus cmdlet to get deduplication status for a volume that has data deduplication metadata. After you disable data deduplication on a volume, you cannot use the data deduplication job-related cmdlets and the Update-DedupStatus cmdlet to perform operations on the volume. For example, you cannot use Start-DedupJob to start a data deduplication job for a volume on which you have disabled data deduplication.
I’ve noticed the Scanner doing this again tonight, so I’ve now disabled De-Dupe on the three volumes with TV Shows on them. I’ll see if it happens again.
This server is being backed up by Veeam, but the folders that hold the TV Shows media are not included in that backup - so I don’t think that would be the cause.
Something is triggering PMS to scan those folders, but it’s already in the middle of the process so I can’t tell what triggered it.
Can you restart your PMS and wait a few minutes. Check if it is scanning, if not wait a little longer. I’m hoping what triggers it will show up. Get me a new log. If the scanning doesn’t start after about 30 minutes, get me the log anyways.
