获取linux下scsi号的脚本-优快云博客

本文详细介绍了在Linux环境下使用cat/proc/scsi/scsi命令获取SCSI设备信息的方法，并通过脚本实现自动解析，展示了如何从输出中提取特定的SCSI号。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

在linux下可以通过cat /proc/scsi/scsi获取有关scsi的信息，如下：

Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3160023AS Rev: 3.18
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: HPT Model: DISK_2_0 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 01 Lun: 00
Vendor: HPT Model: DISK_2_1 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 02 Lun: 00
Vendor: HPT Model: DISK_2_2 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 03 Lun: 00
Vendor: HPT Model: DISK_2_3 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 04 Lun: 00
Vendor: HPT Model: DISK_2_4 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 05 Lun: 00
Vendor: HPT Model: DISK_2_5 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 06 Lun: 00
Vendor: HPT Model: DISK_2_6 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 07 Lun: 00
Vendor: HPT Model: DISK_2_7 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
[root@raidtest2 raid]# cd ~
[root@raidtest2 ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: ST3160023AS Rev: 3.18
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: HPT Model: DISK_2_0 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 01 Lun: 00
Vendor: HPT Model: DISK_2_1 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 02 Lun: 00
Vendor: HPT Model: DISK_2_2 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 03 Lun: 00
Vendor: HPT Model: DISK_2_3 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 04 Lun: 00
Vendor: HPT Model: DISK_2_4 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 05 Lun: 00
Vendor: HPT Model: DISK_2_5 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 06 Lun: 00
Vendor: HPT Model: DISK_2_6 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 07 Lun: 00
Vendor: HPT Model: DISK_2_7 Rev: 4.00
Type: Direct-Access ANSI SCSI revision: 05
为了获取相应的scsi号，如上所示的就是这个数字“2”，采用如下脚本实现：

sed -n "2,$"p /proc/scsi/scsi| awk '{if (NR%3==0) {print $0} else if(NR%3==1) {printf"%s",$0}}' | sed -n '/Direct-Access/p' | cut -c11 | sed -n '$p' > ~/get_scsi