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Hi guys, couple of months ago I opened a thread for the same issue, it was fixed then by connecting the SSD straight to the mobo using SATA instead of using my hot swap bays (backplane). The issue hadn't occured for months, but now all of a sudden, with no changes made it's back... As far as I can tell SMART is only displaying 'old age errors' and no (pre-)failed ones, so the disk should be fine, I think? Other than the drive label changing to 'sdb' nothing has changed... I have attached both diagnostics from 'before' (aka when plex starts throwing the error but the drive appears to be connected normally in the unraid gui. As well as after an array start & stop when the drive shows up as unmountable. (Only a full system reboot fixes this afaik) Thank you all in advance! diag_after_array_restart.zip plex_ssd_SMART.zip diag_before_array_restart.zip

Just an update: hasn't occured since I connected it straight to the mobo SATA. Is there anything I can derive from the errors occuring when connected through the backplane?

Forgot to mention it's connected via backplane, I'll switch it around to straight to the onboard SATA. Wouldn't it affect the other SSD as well though (unless it's that specific slot that's giving problems)...

Hi guys, so recently my plex SSD which I've assigned as a pool device started getting random 'disconnects' (the drive is still connected but gives I/O errors.) resulting in my plex docker crashing. Whenever this happens all I have to do is reboot the array and everything will be up and running again... SMART reports no issues and to be honest I have no idea what to make out of the syslog messages... The drive in question is labeled sdq, it's the only kingston in the system... Maybe this could be useful, the error plex reports in the docker log: libc++abi: terminating with uncaught exception of type boost::filesystem::filesystem_error: boost::filesystem::create_directories: I/O error [system:5]: "/config/Library/Application Support/Plex Media Server/Cache", "/config/Library/Application Support/Plex Media Server/Cache" tower-diagnostics-20231113-1049.zip

Hi, so I'm using Plex on a seperate cache SSD (setup as a pool) everything been's working great but since a few weeks I've been getting errors... The docker keeps running, but nothing is working. Also the logs are filled with this: Starting Plex Media Server. . . (you can ignore the libusb_init error) libc++abi: terminating with uncaught exception of type boost::filesystem::filesystem_error: boost::filesystem::create_directories: I/O error [system:5]: "/config/Library/Application Support/Plex Media Server/Cache", "/config/Library/Application Support/Plex Media Server/Cache" This error just keeps spamming over and over again. The only fix I have found so far is to stop the array and re-start it as just restarting the docker results in an error. At first glance it seems like the entire Plex SSD becomes inaccessible. I have attached the diagnostics from before restarting the array. Thanks guys! tower-diagnostics-20231012-0735.zip

I suppose you will need to 're-config' all folders and such (when migrating from the old plugin)?

I'll test it out now, will update in 10-15 minutes. Update: not fixed (for me atleast) Update 2: it seems that when I put my browser on full screen (I've had it on 75% of a 2560x1440 for years and never had problems) it does go 'back' to the old 3 columns layout...

Sadly not working for me...

It did not fix it for me. Edit: added diagnostics, maybe it can help identifying the problem tower-diagnostics-20230621-0924.zip

Can confirm I have the same issue, after updating to 6.12. Scaling is all setup correct (as it has always been).

Oh for the SSD as well... So what's the next thing to troubleshoot now? Try putting it somewhere else on the backplane, switching power cords, etc.?

Yes I know, HDD 3 and some others have been giving some errors as of lately although SMART displays no errors for them I just thought they were at the end of their life as those were my first drives I bought used a couple of years ago... Plan on replacing them anyways... If problems for disk 3 keep happening after replacing I will come back to this. Though I really want to get the plex SSD sorted...

Hi, so I moved my plex SSD from an unassigned device to a cache pool a couple of weeks ago, I've had these issues before as well where the SSD would just go missing, now that I've moved it to the new cache pool it'll become inaccessible from time to time. A quick array stop and start fixes the issue but I would like it to be resolved... I have tailed syslog though I wanted to confirm that it is safe to post it here? Thank you all! tower-diagnostics-20220122-1149.zip

Alright, thank you!

Damn, how would I continue to troubleshoot from here?