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500 Internal Server Error - Can't log in to GUI, can SSH to Server - Diagnostics attached

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Hi

 

I've tried to add an additional Cache drive to my server tonight and I've screwed something up somewhere.

 

When I try and log in to the web GUI I get a "500 Internal Server Error". I can log in via SSH without issue but I don't really know what I need to do to try and troubleshoot the issues.

 

I've been able to reboot the server via SSH but this doesn't resolve anything.

 

I've been able to run the diagnostics via SSH and I've attached them to the post.

 

Any help greatly appreciated.

 

Thanks

 

Rich

tower-diagnostics-20250502-1951.zip

Edited by richrodgers

Solved by JorgeB

  • Community Expert
  • Solution

Edit /boot/config/pool/cache.cfg and change diskFsWidth="3" to "2", then reboot and post new diags after array start.

  • Author

Thanks, this fixed it for me and I've been able to log in to the GUI and add the additional cache drive without any further issues.

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