Jan 4 19:58:45 Tower kernel: print_req_error: critical medium error, dev sdb, sector 1956768680
Jan 4 20:05:55 Tower kernel: sd 5:0:0:0: [sdb] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Jan 4 20:05:55 Tower kernel: sd 5:0:0:0: [sdb] tag#0 Sense Key : 0x3 [current]
Jan 4 20:05:55 Tower kernel: sd 5:0:0:0: [sdb] tag#0 ASC=0x11 ASCQ=0x0
Jan 4 20:05:55 Tower kernel: sd 5:0:0:0: [sdb] tag#0 CDB: opcode=0x88 88 00 00 00 00 00 74 a2 7e 38 00 00 01 e0 00 00
Jan 4 20:05:55 Tower kernel: print_req_error: critical medium error, dev sdb, sector 1956806472
Jan 4 20:07:08 Tower kernel: sd 5:0:0:0: [sdb] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Jan 4 20:07:08 Tower kernel: sd 5:0:0:0: [sdb] tag#0 Sense Key : 0x3 [current]
Jan 4 20:07:08 Tower kernel: sd 5:0:0:0: [sdb] tag#0 ASC=0x11 ASCQ=0x0
Jan 4 20:07:08 Tower kernel: sd 5:0:0:0: [sdb] tag#0 CDB: opcode=0x88 88 00 00 00 00 00 74 a2 8d 78 00 00 01 20 00 00
Jan 4 20:07:08 Tower kernel: print_req_error: critical medium error, dev sdb, sector 1956810232

I'm getting the above errors on a disk.  Is it a disk issue or a slot issue?  It's a dell server with 12 drive bays.  Should I move it to another slot or is it a drive problem? 

Attached are the logs.

Thanks

 

tower-diagnostics-20200104-2140.zip

Disk is failing, you can run an extended SMART test to confirm.