Apr 14 10:53:30 server kernel: [17179908.264000] sd 1:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
Apr 14 10:53:30 server kernel: [17179908.264000]     <<vendor>> ASC=0xff ASCQ=0xffASC=0xff <<vendor>> ASCQ=0xff
Apr 14 10:53:30 server kernel: [17179908.264000] end_request: I/O error, dev sda, sector 0