iscsi服务端配置 yum install targetd targetcli -y systemctl enable targetd systemctl start targetd targetcli /> cd backstores/block /backstores/block> create disk0 /dev/sdb

/backstores/block> create disk1 /dev/sdc

/backstores/block> create disk2 /dev/sdd

/backstores/block> cd /iscsi

/iscsi> cd iqn.2003-01.org.linux-iscsi.centos7-1.x8664:sn.9363925f8c57/tpg1/luns /iscsi/iqn.20...c57/tpg1/luns> create /backstores/block/disk0

/iscsi/iqn.20...c57/tpg1/luns> create /backstores/block/disk1

/iscsi/iqn.20...c57/tpg1/luns> create /backstores/block/disk2

/iscsi/iqn.20...c57/tpg1/acls> create iqn.2003-01.org.linux-iscsi.centos7-1.x8664:sn.9363925f8c57

delete 0.0.0.0 3260 create 192.168.10.102

客户端安装配置 yum install iscsi-initiator-utils -y systemctl start iscsid systemctl enable iscsid 修改/etc/iscsi/initiatorname.iscsi systemctl restart iscsid

查找目标存储 iscsiadm -m discovery -t sendtargets -p 192.168.10.102

登录到服务端 iscsiadm --mode node --targetname iqn.2003-01.org.linux-iscsi.centos7-1.x8664:sn.9363925f8c57 --portal 192.168.10.102 -l

对磁盘分区

iscsi受到CPU和网卡影响，网卡是否支持IB，或者RDMA技术都是瓶颈，普通网卡就当玩玩即可，走的还是SMB协议。数据需要走网卡，主板-内存-CPU-硬盘，性能好坏都有影响，但是一旦有了RDMA技术，就可以直接跳过CPU和内存，直接网卡-主板-硬盘，读写，延时等就会低上很多，所以才会有FC，IB技术，iser等协议