Jan 06 23:22:10 ubuntu kernel: blk_update_request: I/O error, dev sda, sector 32768 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Jan 06 23:22:10 ubuntu kernel: sd 0:0:0:0: [sda] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Jan 06 23:22:10 ubuntu systemd[1]: lvm2-pvscan@253:0.service: Succeeded.
Jan 06 23:22:10 ubuntu systemd[1]: Stopped LVM event activation on device 253:0.
Jan 06 23:22:10 ubuntu kernel: usb 2-1: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
Jan 06 23:22:11 ubuntu kernel: usb 2-1: New USB device found, idVendor=0080, idProduct=0578, bcdDevice= 1.04
Jan 06 23:22:11 ubuntu kernel: usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jan 06 23:22:11 ubuntu kernel: usb 2-1: Product: External USB 3.0
Jan 06 23:22:11 ubuntu kernel: usb 2-1: Manufacturer: JMicron
Jan 06 23:22:11 ubuntu kernel: usb 2-1: SerialNumber: 2015033100077
Jan 06 23:22:11 ubuntu kernel: scsi host1: uas
Jan 06 23:22:11 ubuntu kernel: scsi 1:0:0:0: Direct-Access     External USB 3.0          0104 PQ: 0 ANSI: 6
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: Attached scsi generic sg0 type 0
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] 4096-byte physical blocks
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Write Protect is off
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Mode Sense: 53 00 00 08
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Optimal transfer size 33553920 bytes not a multiple of physical block size (4096 b>
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Jan 06 23:22:11 ubuntu multipath[2964]: sdb: can't store path info
Jan 06 23:22:11 ubuntu kernel: usb 2-1: USB disconnect, device number 3
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Synchronizing SCSI cache
Jan 06 23:22:11 ubuntu kernel: blk_update_request: I/O error, dev sdb, sector 7814036992 op 0x0:(READ) flags 0x80700 phys_seg 1 pri>
Jan 06 23:22:11 ubuntu kernel: blk_update_request: I/O error, dev sdb, sector 7814036992 op 0x0:(READ) flags 0x0 phys_seg 1 prio cl>
Jan 06 23:22:11 ubuntu kernel: Buffer I/O error on dev sdb, logical block 976754624, async page read
Jan 06 23:22:11 ubuntu multipathd[1586]: uevent trigger error
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Synchronize Cache(10) failed: Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Jan 06 23:22:11 ubuntu kernel: usb 2-1: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd
Jan 06 23:22:11 ubuntu kernel: usb 2-1: New USB device found, idVendor=0080, idProduct=0578, bcdDevice= 1.04
Jan 06 23:22:11 ubuntu kernel: usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jan 06 23:22:11 ubuntu kernel: usb 2-1: Product: External USB 3.0
Jan 06 23:22:11 ubuntu kernel: usb 2-1: Manufacturer: JMicron
Jan 06 23:22:11 ubuntu kernel: usb 2-1: SerialNumber: 2015033100077
Jan 06 23:22:11 ubuntu kernel: scsi host1: uas
Jan 06 23:22:11 ubuntu kernel: scsi 1:0:0:0: Direct-Access     External USB 3.0          0104 PQ: 0 ANSI: 6
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: Attached scsi generic sg0 type 0
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] 7814037168 512-byte logical blocks: (4.00 TB/3.64 TiB)
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] 4096-byte physical blocks
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Write Protect is off
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Mode Sense: 53 00 00 08
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Optimal transfer size 33553920 bytes not a multiple of physical block size (4096 b>
Jan 06 23:22:11 ubuntu kernel: sd 1:0:0:0: [sdb] Attached SCSI disk
Jan 06 23:22:11 ubuntu multipath[2992]: sdb: can't store path info
Jan 06 23:22:12 ubuntu multipathd[1586]: sdb: path already removed
Jan 06 23:22:12 ubuntu multipathd[1586]: uevent trigger error