March 23, 20242 yr Just happened to look at server and noticed disk 4 "device is disabled, contents emulated". Before I did anything I downloaded diagnostics before I reboot, shutdown, etc. It is currently running as we speak. This is the youngest of my drives (almost 2 years old). Others are 5-9 years old. I haven't touched unraid in weeks, didn't physically move computer case unraid is in, nobody bumped into it, etc. What does it mean, and what to do? deathstar-diagnostics-20240322-2314.zip Edited March 23, 20242 yr by skyking376
March 23, 20242 yr Community Expert Looks more like a power/connection issue, replace cables and if the emulated disk is still mounting and contents look correct you can rebuild on top. https://docs.unraid.net/unraid-os/manual/storage-management#rebuilding-a-drive-onto-itself
April 3, 20242 yr Author So delayed thread, but still an issue. Just had ALL sata cables replaced and new (more wattage compared to old) power supply. PC tech did see fluctuations on old power supply but not enough to “need” a new one but I opted to do it anyway just to eliminate those as a cause. So same thing, array is stopped, I can see the correct hard drive serial number in drop down, and disk 4 has red “X” that says when hovering over red x “device disabled, contents emulated”. Does this mean “mounted” like you said previously? Can I start array? I'm too afraid to do anything so I don't lose data (again). what do I do now? (Edit: added diagnostics file) deathstar-diagnostics-20240403-1641.zip Edited April 3, 20242 yr by skyking376 Included diagnostics file
April 4, 20242 yr Community Expert Replacing cables won't re-enabled a disabled disk, post new diags after array start to see if the emulated disk is mounting.
April 4, 20242 yr Author Ok, wasn't sure if starting array was safe with red "X" or not as I didn't want to get a parity check to run and possibly start messing up data on disk 4. So just started array, same thing "Device disabled, contents emulated". I don't fully understand what you mean when you say "mounting". I can see disk 4 in UNRAID GUI either when array is started or stopped. When array is stopped (via unraid GUI) I then go to folder and can't see any of my movies/TV shows in folder structures they are normally in (Movies/Kids/TV/etc). It says "folder is empty" at the top network level of "Tower". When array is started I CAN see Movies/Kids/TV/etc in their folder structures below that top level "Tower" folder. Does "mounted" = I can see all my movies/kids/tv data? If that is true then I would say disk is disabled (as it says in GUI with red "X") but mounted (if I understand defintion of mounted is). I still error on side of caution and wait for futher instructions before I do anything. Thank you for helping a noob! deathstar-diagnostics-20240404-1410.zip
April 5, 20242 yr Community Expert Solution Emulated disk is mounting, you have already replaced cables you can rebuild on top. https://docs.unraid.net/unraid-os/manual/storage-management#rebuilding-a-drive-onto-itself
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