A usb storage goes to offline state with err -2

Solution Unverified - Updated -

Issue

  • A usb storage goes to offline state, and processes cannot access to filesystem on the storage.

    kernel: usb 2-5: cmd cmplt err -2
    kernel: sd 8:0:0:0: [sda] tag#3 uas_zap_pending 0 uas-tag 4 inflight: CMD 
    kernel: sd 8:0:0:0: [sda] tag#3 CDB: Write(10) 2a 00 56 85 3b 00 00 00 08 00
    kernel: usb 2-5: reset high-speed USB device number 3 using xhci_hcd
    kernel: scsi host8: uas_eh_device_reset_handler success
    kernel: scsi host8: uas_eh_device_reset_handler start
    kernel: usb 2-5: reset high-speed USB device number 3 using xhci_hcd
    kernel: scsi host8: uas_eh_device_reset_handler success
    kernel: sd 8:0:0:0: Device offlined - not ready after error recovery
    
  • The issue can be recovered disconnecting/connecting the usb storage.

Environment

  • Red Hat Enterprise Linux 7
  • usb-storage driver

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