Overview: The Next Generation Mass Storage Stack (September 2009)

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Appendix B: Using ioscan
Note: The output from the following examples are trimmed for readability.
To display the agile view, use ioscan with the –N option. For example:
# ioscan –N –fn
Class I H/W Path Driver S/W State H/W Type Description
==============================================================================
root 0 root CLAIMED BUS_NEXUS
ioa 0 0 sba CLAIMED BUS_NEXUS System Bus Adapter (1229)
ba 0 0/0 lba CLAIMED BUS_NEXUS Local PCI-X Bus Adapter
(122e)
OO 0 0/0/1/0 UsbOhci CLAIMED INTERFACE USB OHCI Interface
OO 1 0/0/1/1 UsbOhci CLAIMED INTERFACE USB OHCI Interface
OO 2 0/0/1/2 UsbEhci CLAIMED INTERFACE USB EHCI Interface
sideba 0 0/0/2/0 side_multi CLAIMED INTERFACE CMD IDE controller
ext_bus 0 0/0/2/0.0 side CLAIMED INTERFACE IDE Primary Channel
/dev/side0
tgtpath 0 0/0/2/0.0.0x0 estp CLAIMED TGT_PATH ide target served by side
driver
lunpath 50 0/0/2/0.0.0x0.0x0 eslpt CLAIMED LUN_PATH LUN path for disk60
ext_bus 1 0/0/2/0.1 side CLAIMED INTERFACE IDE Secondary Channel
lan 0 0/0/3/0 intl100 CLAIMED INTERFACE Intel PCI Pro 10/100Tx
Server Adapter
ba 1 0/1 lba CLAIMED BUS_NEXUS Local PCI-X Bus Adapter
(122e)
ext_bus 2 0/1/1/0 mpt CLAIMED INTERFACE SCSI Ultra320
/dev/mpt2
tgtpath 4 0/1/1/0.0x0 estp CLAIMED TGT_PATH parallel_scsi target
served by mpt driver
lunpath 1 0/1/1/0.0x0.0x0 eslpt CLAIMED LUN_PATH LUN path for disk48
tgtpath 3 0/1/1/0.0x1 estp CLAIMED TGT_PATH parallel_scsi target
served by mpt driver
lunpath 0 0/1/1/0.0x1.0x0 eslpt CLAIMED LUN_PATH LUN path for disk47
tgtpath 1 0/1/1/0.0x7 estp CLAIMED TGT_PATH parallel_scsi target
served by mpt driver
ext_bus 3 0/1/1/1 mpt CLAIMED INTERFACE SCSI Ultra320
/dev/mpt3
tgtpath 2 0/1/1/1.0x7 estp CLAIMED TGT_PATH parallel_scsi target
served by mpt driver
lan 1 0/1/2/0 igelan CLAIMED INTERFACE HP PCI 1000Base-T Core
ba 2 0/2 lba CLAIMED BUS_NEXUS Local PCI-X Bus Adapter
(122e)
slot 0 0/2/1 pci_slot CLAIMED SLOT PCI Slot
fc 0 0/2/1/0 td CLAIMED INTERFACE HP Tachyon XL2 Fibre
Channel Mass Storage Adapter
/dev/td0
tgtpath 6 0/2/1/0.0x500805f300083891
estp NO_HW TGT_PATH fibre_channel target
served by td driver
lunpath 3 0/2/1/0.0x500805f300083891.0x0
eslpt NO_HW LUN_PATH LUN path for ctl4
lunpath 25 0/2/1/0.0x500805f300083891.0x4007000000000000
eslpt NO_HW LUN_PATH LUN path for disk59
lunpath 24 0/2/1/0.0x500805f300083891.0x4008000000000000
eslpt NO_HW LUN_PATH LUN path for disk58
lunpath 23 0/2/1/0.0x500805f300083891.0x4009000000000000
eslpt NO_HW LUN_PATH LUN path for disk57
lunpath 9 0/2/1/0.0x500805f300083891.0x4010000000000000
eslpt NO_HW LUN_PATH LUN path for disk50