My array is suddenly lost

[publicENEMY]

I have a working array of 15 drives. Suddenly it vanish. Here are the screenshot. I have attached the syslog of when it happens. I cant get Diagnostic.zip file as when it happens webgui doesnt working properly.

 

Please advise.

 

syslog.txt

[JorgeB]

Try rebooting

 

P.S.: don't know what encfs is but it's complaining.

 

Nov 16 20:59:18 Tower encfs: 2018-11-16 20:59:18,573 WARN  [default] write failed at offset 3005071360 for 4096 bytes: Input/output error
Nov 16 20:59:18 Tower encfs: 2018-11-16 20:59:18,596 WARN  [default] write failed at offset 3005218816 for 4096 bytes: Input/output error
Nov 16 20:59:18 Tower encfs: 2018-11-16 20:59:18,653 WARN  [default] write failed at offset 3006267392 for 4096 bytes: Input/output error
Nov 16 20:59:18 Tower encfs: 2018-11-16 20:59:18,824 WARN  [default] write failed at offset 3007320064 for 4096 bytes: Input/output error
Nov 16 20:59:18 Tower encfs: 2018-11-16 20:59:18,993 WARN  [default] write failed at offset 3008376832 for 4096 bytes: Input/output error