version 2, including all changes.
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DanielLawson |
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An [Acronym] for __H__ost __C__hannel __I__d __L__UN |
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Used to uniquely identify a [SCSI] device on a system. |
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Checking the contents of /proc/scsi/scsi on a linux system will give you a quick breakdown; use the lsscsi tool for other information such as where the devices fit within /sys: |
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<verbatim> |
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[root@devserver ~]# cat /proc/scsi/scsi |
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Attached devices: |
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Host: scsi0 Channel: 00 Id: 00 Lun: 00 |
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Vendor: ServeRA Model: 8k-l Mirror Rev: V1.0 |
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Type: Direct-Access ANSI SCSI revision: 02 |
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Host: scsi0 Channel: 01 Id: 00 Lun: 00 |
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Vendor: Hitachi Model: HDT725025VLA380 Rev: A7CA |
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Type: Direct-Access ANSI SCSI revision: 05 |
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Host: scsi0 Channel: 01 Id: 01 Lun: 00 |
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Vendor: Hitachi Model: HDT725025VLA380 Rev: A7CA |
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Type: Direct-Access ANSI SCSI revision: 05 |
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Host: scsi0 Channel: 03 Id: 00 Lun: 00 |
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Vendor: IBM Model: SAS SES-2 DEVICE Rev: 1.10 |
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Type: Enclosure ANSI SCSI revision: 05 |
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Host: scsi1 Channel: 00 Id: 01 Lun: 00 |
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Vendor: EXABYTE Model: VXA-2 Rev: 2109 |
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Type: Sequential-Access ANSI SCSI revision: 02 |
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[root@devserver ~]# lsscsi -v |
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[0:0:0:0] disk ServeRA 8k-l Mirror V1.0 /dev/sda |
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dir: /sys/bus/scsi/devices/0:0:0:0 [/sys/devices/pci0000:00/0000:00:07.0/0000:02:00.0/host0/target0:0:0/0:0:0:0] |
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[0:1:0:0] disk Hitachi HDT725025VLA380 A7CA - |
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dir: /sys/bus/scsi/devices/0:1:0:0 [/sys/devices/pci0000:00/0000:00:07.0/0000:02:00.0/host0/target0:1:0/0:1:0:0] |
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[0:1:1:0] disk Hitachi HDT725025VLA380 A7CA - |
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dir: /sys/bus/scsi/devices/0:1:1:0 [/sys/devices/pci0000:00/0000:00:07.0/0000:02:00.0/host0/target0:1:1/0:1:1:0] |
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[0:3:0:0] enclosu IBM SAS SES-2 DEVICE 1.10 - |
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dir: /sys/bus/scsi/devices/0:3:0:0 [/sys/devices/pci0000:00/0000:00:07.0/0000:02:00.0/host0/target0:3:0/0:3:0:0] |
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[1:0:1:0] tape EXABYTE VXA-2 2109 /dev/st0 |
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dir: /sys/bus/scsi/devices/1:0:1:0 [/sys/devices/pci0000:00/0000:00:02.0/0000:10:00.0/0000:11:00.0/0000:13:00.0\ |
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/0000:14:08.0/host1/target1:0:1/1:0:1:0] |
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DanielLawson |
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</verbatim> |
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In the above examples, the HCIL value of the Exabyte VXA-2 tape drive is 1:0:1:0. |
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---- |
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CategoryAcronym |
