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Go to VM Manager, disable VMs, and delete libvirt image.

Do you actually have any VMs?

Your latest diagnostics show appdata all on cache. Whether that is all new appdata I don't know. Your latest diagnostics also show part of system share on disk2, instead of all on cache where it belongs. From the terminal, what do you get with this? ls -lah /mnt/disk2/system

Don't know if your Unassigned Device has anything to do with your VM or not but there is this in syslog: Aug 21 06:57:09 Tower unassigned.devices: Disk with serial 'Hitachi_HUS724030ALE641_PAJ2DRBT', mountpoint 'Hitachi_HUS724030ALE641_PAJ2DRBT' is not set to auto mount and will not be mounted... Aug 21 06:57:09 Tower unassigned.devices: Error: ISO file '/mnt/user/isos/ISOS/virtio-win-0.1.141-1.iso' is missing and cannot be mounted. Also lots of this: Aug 21 07:07:53 Tower kernel: DMAR: DRHD: handling fault status reg 2 Aug 21 07:07:53 Tower kernel: DMAR: [DMA Write] Request device [05:00.0] fault addr 0 [fault reason 05] PTE Write access is not set Aug 21 07:07:55 Tower kernel: DMAR: DRHD: handling fault status reg 102 Not sure what that's about, maybe someone else will. You also have this FCP Warning: Aug 21 04:40:02 Tower root: Fix Common Problems: Warning: Share Software_Applications is set for both included (disk3,disk4) and excluded (disk1,disk2) disks Include means ONLY these disks. Exclude means EXCEPT for these disks. There is no reason to use both and you should only use include or only use exclude, not both.

Shouldn't matter if you leave the extra bz files,they won't be used.

Split level sounds like the problem. On mobile now will check Diagnostics later

Go to Tools-diagnostics and attach the complete Diagnostics zip file to your next post.

yes Unraid must format any disk it will use in the array or cache.

This thread is several months old. I guess since nobody else is still using it you can have it. Post diagnostics.

I don't see anything obvious in the diagnostics except a dump near the end of syslog. Symptoms suggest a browser problem or maybe flash problem. Have you done a memtest? Are you using BIOS default settings? Have you tried other browsers? If you have adblocker whitelist your server. Put flash in PC and checkdisk. While there make a backup. Use a USB2 port for booting your server.

Unraid FAQ: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/page/2/?tab=comments#comment-554741 Unraid Wiki: https://wiki.unraid.net/UnRAID_Wiki Docker FAQ: https://forums.unraid.net/topic/57181-real-docker-faq/ Guides and Videos: https://forums.unraid.net/topic/52998-guides-and-videos/

Think of it more as an indicator than an error. As an indicator, it is correct. Any data on cache is unprotected if you don't have a redundant pool. If you are using 2 SSDs, since they will be mirrors, they will only have the capacity of the smaller so there is no point in having one of them larger. They don't have to be the same make or even the same size, but just be aware that the total capacity of the mirrored pool will be the size of the smaller of the 2 drives. More complicated configurations are possible. See the Cache Pool section of the FAQ: https://forums.unraid.net/forums/topic/46802-faq-for-unraid-v6/?page=2&tab=comments#comment-554741

Your docker image is configured to live on the cache drive, but you don't have one.

If you want further advice, post a diagnostic so we can get a more complete idea of your configuration. Tools - Diagnostics, attach complete diagnostics zip file to your next post.

I think we are going to have to break this down into smaller specific steps to make any progress. If you have made any changes at all since the diagnostic you posted earlier, post a new diagnostic. If you have not made any changes, let us know that as well.

If you still have the original disk and it can be read you can try to mount it as an Unassigned Device and copy the data from it.

I don't really have anything to add. Just wanted to see if it might be related to this new feature.

Shouldn't take that long for only 2TB unless you have something wrong or serious bottleneck with controller. If speed doesn't improve post diagnostic.

If the disk is mounting, and you can access its contents, then I don't see any way rebuilding could have made it lose only some of its files. Perhaps those 448GB are all new writes to an empty disk. How you got to an empty disk is unclear.

Are you using the syslog server feature?

Go to Tools - Diagnostics and attach the complete diagnostics zip file to your next post.

Need more information. See the "Need Help?" sticky pinned near the top of this same subforum for ideas on how to get us more information. https://forums.unraid.net/topic/37579-need-help-read-me-first/

As mentioned early in the thread, your docker templates are on flash, so unless there is something wrong with flash or they got deleted somehow (user error?) the settings of each of your dockers should still be there. But it doesn't matter unless you have already fixed the other things talked about in this thread. Have you?

You told Fix Common Problems to ignore it so it didn't tell you. You shouldn't tell FCP to ignore a problem unless you understand exactly why it might not apply to your case. Do you have Notifications setup to alert you immediately by email or other agent when a problem is detected? This is especially important with disk problems. You must take care of a problem immediately or you could wind up with multiple problems and data loss.

That PSU has 4 +12V rails. Single rail recommended.