sd 1:0:0:2: Device not ready: <6>: Current: sense key: Not Ready
    Additional sense: Logical unit not ready, cause not reportable
end_request: I/O error, dev sdb, sector 307199360
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: Standard Hot Plug PCI Controller Driver version: 0.4
sd 1:0:0:2: Device not ready: <6>: Current: sense key: Not Ready
    Additional sense: Logical unit not ready, cause not reportable
end_request: I/O error, dev sdb, sector 307199360