In the old GUI, go to "Reporting" => "Partition" and explore the graphs for the Pool containing the missing folders/dataset. If data has been lost, you should be able to see the Green and Red area change for the Pool and the corresponding datasets (You will need to press the zoom-in and zoom-out icons and the left arrow on the graph to get a better view of the span) . If the change is substential. and you will be able to see the Min and Max value, based on that you can tell if you actually lost data and when.
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FreeNAS 11.2 update killed data
- Thread starter wlagarde
- Start date
So I'm reporting back in to confirm I did in fact lose the data. I have recovered everything but my movies and will re-encode these from disk and after that I'll be all set - but reverted back to 11.1-U6.3. The data I lost was all files contained in my "movies", "music", and "software" folders. I did have a PLEX installation pointing to the "movies" and "tv shows" folders so that may have had something to do with it but the fact that I didn't lose the "tv shows" folder data and did lose the "software" folder data suggests it didn't.
Last thing I would recommend to those upgrading is to at least detach your backup and disconnect it from the machine while upgrading as I had both my backup and main storage pool attached during the upgrade process as I couldn't have imagined I would lose data in both my main storage pool and my backup copy. Would also probably be a good idea to detach your main storage pool during the upgrade process and re-import it afterward.
After almost a year of waiting after what happened described in this thread I finally bit the bullet and upgraded from 11.1-U6 to 11.2-U7. I removed my old 11.1 SSD boot device and set it aside and started with a fresh installation of 11.2 on a new SSD boot device. From there I imported my main pool and backup pool and rebuilt the server from the ground up in terms of the configuration and iocage jails (PLEX media server). Other than a little hiccup with setting up PLEX (see post #16 here; https://www.ixsystems.com/community/threads/iocage-plex-metadata-and-transcoding-issue.60628/) everything went flawlessly and the system performs beautifully. Kudos to the devs as the current Freenas 11.2-U7 release is outstanding.
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