iscsi脚本
2024-09-03 12:19:11
服务端
#!/bin/bash
#测试主机是否可以联网
echo -e "\033[31m即将测试主机是否可以联网\033[0m"
ping -c 4 www.baidu.com
if [ $? -eq 0 ];then
echo -e "\033[31m主机可以联网继续脚本\033[0m"
else
echo -e "\033[31m主机不可联网，即将退出脚本\033[0m"
exit
fi
#编写服务端与客户端IP地址
echo -e "\033[31m即将编写服务端与客户端IP地址\033[0m"
sleep 3s
rm -rf ./ip
cat >> ./ip <<EOF
#在后面写IP地址，ip1为服务端，ip2为客户端
export ip1=
export ip2=
EOF
vi ./ip
source ./ip
echo -e "\033[31m即将关闭firewalld与selinux\033[0m"
sleep 1s
# firewalld config
systemctl disable firewalld
systemctl stop firewalld
#关闭selinux
setenforce 0
echo -e "\033[31m即将配置yum仓库文件\033[0m"
sleep 1s
#创建本地仓库文件
mkdir /mnt/cdrom
mount /dev/sr0 /mnt/cdrom
cat >> /etc/yum.repos.d/a.repo <<EOF
[a]
name=a
baseurl=file:///mnt/cdrom
gpgcheck=0
EOF
yum install -y wget
#下载epel7仓库文件
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum repolist
sleep 3s
echo -e "\033[31m\n即将安装targetcli\033[0m"
sleep 1s
yum -y install targetcli
echo -e "\033[31m\n即将配置targetcli\033[0m"
sleep 1s
#创建共享文件夹存档点
mkdir /iscsi_disks
chmod 777 /iscsi_disks
>/etc/target/saveconfig.json
cat >> /etc/target/saveconfig.json <<EOF
{
"fabric_modules": [],
"storage_objects": [
{
"attributes": {
"block_size": 512,
"emulate_dpo": 0,
"emulate_fua_read": 0,
"emulate_fua_write": 1,
"emulate_model_alias": 1,
"emulate_rest_reord": 0,
"emulate_tas": 1,
"emulate_tpu": 0,
"emulate_tpws": 0,
"emulate_ua_intlck_ctrl": 0,
"emulate_write_cache": 1,
"enforce_pr_isids": 1,
"fabric_max_sectors": 8192,
"is_nonrot": 0,
"max_unmap_block_desc_count": 1,
"max_unmap_lba_count": 8192,
"max_write_same_len": 4096,
"optimal_sectors": 8192,
"queue_depth": 128,
"unmap_granularity": 1,
"unmap_granularity_alignment": 0
},
"dev": "/iscsi_disks/disk01.img",
"name": "disk01",
"plugin": "fileio",
"size": 2147483648,
"write_back": true,
"wwn": "3267f7a8-b56b-448e-a0dd-b9f65906e96e"
}
],
"targets": [
{
"fabric": "iscsi",
"tpgs": [
{
"attributes": {
"authentication": 0,
"cache_dynamic_acls": 0,
"default_cmdsn_depth": 16,
"demo_mode_write_protect": 1,
"generate_node_acls": 0,
"login_timeout": 15,
"netif_timeout": 2,
"prod_mode_write_protect": 0
},
"enable": true,
"luns": [
{
"index": 0,
"storage_object": "/backstores/fileio/disk01"
}
],
"node_acls": [
{
"attributes": {
"dataout_timeout": 3,
"dataout_timeout_retries": 5,
"default_erl": 0,
"nopin_response_timeout": 30,
"nopin_timeout": 15,
"random_datain_pdu_offsets": 0,
"random_datain_seq_offsets": 0,
"random_r2t_offsets": 0
},
"chap_password": "password",
"chap_userid": "username",
"mapped_luns": [
{
"index": 0,
"tpg_lun": 0,
"write_protect": false
}
],
"node_wwn": "iqn.2016-10.vdevops.org:vdevops.org"
}
],
"parameters": {
"AuthMethod": "CHAP,None",
"DataDigest": "CRC32C,None",
"DataPDUInOrder": "Yes",
"DataSequenceInOrder": "Yes",
"DefaultTime2Retain": "20",
"DefaultTime2Wait": "2",
"ErrorRecoveryLevel": "0",
"FirstBurstLength": "65536",
"HeaderDigest": "CRC32C,None",
"IFMarkInt": "2048~65535",
"IFMarker": "No",
"ImmediateData": "Yes",
"InitialR2T": "Yes",
"MaxBurstLength": "262144",
"MaxConnections": "1",
"MaxOutstandingR2T": "1",
"MaxRecvDataSegmentLength": "8192",
"MaxXmitDataSegmentLength": "262144",
"OFMarkInt": "2048~65535",
"OFMarker": "No",
"TargetAlias": "LIO Target"
},
"portals": [
{
"ip_address": "0.0.0.0",
"iser": false,
"port": 3260
}
],
"tag": 1
}
],
"wwn": "iqn.2016-10.vdevops.org:storage.target00"
}
]
}
EOF
echo -e "\033[31m\n查看3260端口是否打开\033[0m"
sleep 1s
ss -napt | grep 3260
sleep 3s
systemctl enable target
echo -e "\033[31m即将使用EPEL源安装scsi-target-utils并配置\033[0m"
sleep 3s
# 使用EPEL源安装scsi-target-utils
yum --enablerepo=epel -y install scsi-target-utils
# 创建硬盘镜像
dd if=/dev/zero of=/iscsi_disks/disk01.img count=0 bs=1 seek=2G
cat >> /etc/tgt/targets.conf <<EOF
<target iqn.2016-10.vdevops.org:target00>
backing-store /iscsi_disks/disk01.img
initiator-address $ip2
incominguser username password
</target>
EOF
#开启并自启服务
systemctl start tgtd
systemctl status tgtd |grep Active:
systemctl enable tgtd
sleep 3s
#查看状态
echo -e "\033[31m查看服务状态\033[0m"
sleep 3s
tgtadm --mode target --op show
客服端
#!/bin/bash
lsblk >lsblk1
#测试主机是否可以联网
echo -e "\033[31m即将测试主机是否可以联网\033[0m"
if [ $? -eq 0 ];then
echo -e "\033[31m主机可以联网继续脚本\033[0m"
else
echo -e "\033[31m主机不可联网，即将退出脚本\033[0m"
exit
fi
#编写服务端与客户端IP地址
echo -e "\033[31m\n即将编写服务端与客户端IP地址\033[0m"
sleep 3s
rm -rf ./ip
cat >> ./ip <<EOF
#在后面写IP地址，ip1为服务端，ip2为客户端
export ip1=
export ip2=
EOF
vi ./ip
source ./ip
echo -e "\033[31m\n即将关闭firewalld与selinux\033[0m"
sleep 1s
# firewalld config
systemctl disable firewalld
systemctl stop firewalld
#关闭selinux
setenforce 0
echo -e "\033[31m即将配置yum仓库文件\033[0m"
sleep 1s
#创建本地仓库文件
mkdir /mnt/cdrom
mount /dev/sr0 /mnt/cdrom
cat >> /etc/yum.repos.d/a.repo <<EOF
[a]
name=a
baseurl=file:///mnt/cdrom
gpgcheck=0
EOF
yum install -y wget vim
#下载epel7仓库文件
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum repolist
sleep 3s
echo -e "\033[31m即将使用EPEL安装iscsi-initiator-utils并配置\033[0m"
sleep 1s
#使用EPEL安装iscsi-initiator-utils
yum -y install iscsi-initiator-utils
echo "InitiatorName=iqn.2016-10.vdevops.org:vdevops.org" >/etc/iscsi/initiatorname.iscsi
echo "node.session.auth.authmethod = CHAP" >>/etc/iscsi/iscsid.conf
echo "node.session.auth.username = username" >>/etc/iscsi/iscsid.conf
echo "node.session.auth.password = password" >>/etc/iscsi/iscsid.conf
# 发现target
iscsiadm -m discovery -t sendtargets -p $ip1
sleep 5s
iscsiadm -m node -o show
#登录target
iscsiadm -m node --login
#确认连接状态
iscsiadm -m session -o show
#确认分区状况
echo -e "\033[35m等待5s对比看是否多出一块disk磁盘\033[0m"
sleep 5s
lsblk >lsblk2
vim -O lsblk1 lsblk2
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