Linux 如何通过 iscsi target name 获取 ip

by Mike Andrews

# lsscsi -t
[2:0:0:0]    disk    iqn.2009-12.com.blockbridge:t-pjxfzufjkp-illoghjk,t,0x1  /dev/sda
[3:0:0:0]    disk    iqn.2009-12.com.blockbridge:t-pjxfzuecga-eajejghg,t,0x1  /dev/sdb
[4:0:0:0]    disk    iqn.2009-12.com.blockbridge:t-pjxfzufjjo-pokqaja,t,0x1  /dev/sdd
[5:0:0:0]    disk    iqn.2009-12.com.blockbridge:t-pjxfzufnfg-cqikkgl,t,0x1  /dev/sdc

# iscsiadm -m node -T iqn.2009-12.com.blockbridge:t-pjxfzufjkp-illoghjk | egrep 'node.conn.+address'

node.conn[0].address = 172.16.5.148

#!/usr/bin/bash

if [[ -z $1 ]]; then
    >&2 echo "Usage: devip.sh <device>"
    exit 1
fi

iqn=$(sudo lsscsi -t | grep "$1" | grep iqn | awk '{print $3}' | awk -F , '{print $1}')
if [[ -z "$iqn" ]]; then
    >&2 echo "IQN not found for "$1"."
    exit 1
fi

sudo iscsiadm -m node -T $iqn | egrep 'node.conn.+address' | awk -F ' *= *' '{print $2}'
exit $?