创建RAID10磁盘阵列
[root@localhost ~]# mdadm -Cv /dev/md0 -n 4 -l 10 /dev/sd[b-e] [root@localhost ~]# mdadm -D /dev/md0
配置iSCSI服务端
[root@localhost ~]# yum install targetd targetcli [root@localhost ~]# systemctl restart iscsid [root@localhost ~]# systemctl enable iscsid
[root@localhost ~]# targetcli /> ls o- / ............................................................................ [...] o- backstores ................................................................. [...] | o- block ..................................................... [Storage Objects: 0] | o- fileio .................................................... [Storage Objects: 0] | o- pscsi ..................................................... [Storage Objects: 0] | o- ramdisk ................................................... [Storage Objects: 0] o- iscsi ............................................................... [Targets: 0] o- loopback ............................................................ [Targets: 0] /> cd /backstores/block /backstores/block> create disk0 /dev/md0 Created block storage object disk0 using /dev/md0. /> cd iscsi /iscsi> create Created target iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c. Created TPG 1. /iscsi> cd iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c /iscsi/iqn.20....72b4c8640c0c> ls o- iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c .............. [TPGs: 1] o- tpg1 ...................................................... [no-gen-acls, no-auth] o- acls ................................................................. [ACLs: 0] o- luns ................................................................. [LUNs: 0] o- portals ........................................................... [Portals: 0] /iscsi/iqn.20....72b4c8640c0c> cd tpg1/luns /iscsi/iqn.20...c0c/tpg1/luns> create /backstores/block/disk0 Created LUN 0. /iscsi/iqn.20...c0c/tpg1/luns> cd .. /iscsi/iqn.20...c8640c0c/tpg1> ls o- tpg1 ........................................................ [no-gen-acls, no-auth] o- acls ................................................................... [ACLs: 0] o- luns ................................................................... [LUNs: 1] | o- lun0 .................................................. [block/disk0 (/dev/md0)] o- portals ............................................................. [Portals: 0] /iscsi/iqn.20...c8640c0c/tpg1> cd portals /iscsi/iqn.20.../tpg1/portals> create 192.168.10.10 Using default IP port 3260 Created network portal 192.168.10.10:3260. /iscsi/iqn.20.../tpg1/portals> cd .. /iscsi/iqn.20...c8640c0c/tpg1> cd acls /iscsi/iqn.20...c0c/tpg1/acls> create iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c:client Created Node ACL for iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c:client Created mapped LUN 0. /iscsi/iqn.20...c0c/tpg1/acls> exit Global pref auto_save_on_exit=true Last 10 configs saved in /etc/target/backup. Configuration saved to /etc/target/saveconfig.json
[root@localhost ~]# iptables -F [root@localhost~]# service iptables save iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
配置Linux客户端
[root@localhost ~]# ls -l /dev/sd* brw-rw----. 1 root disk 8, 0 8月 13 2019 /dev/sda brw-rw----. 1 root disk 8, 1 8月 13 2019 /dev/sda1 brw-rw----. 1 root disk 8, 2 8月 13 2019 /dev/sda2 [root@localhost ~]# vim /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c:client [root@localhost ~]# systemctl restart iscsid [root@localhost ~]# systemctl enable iscsid [root@localhost ~]# iscsiadm -m discovery -t st -p 192.168.10.10 192.168.10.10:3260,1 iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c [root@localhost ~]# iscsiadm -m node -T iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c -p 192.168.10.10 --login [root@localhost ~]# ls -l /dev/sd* brw-rw----. 1 root disk 8, 0 8月 13 2019 /dev/sda brw-rw----. 1 root disk 8, 1 8月 13 2019 /dev/sda1 brw-rw----. 1 root disk 8, 2 8月 13 2019 /dev/sda2 brw-rw----. 1 root disk 8, 16 8月 12 17:08 /dev/sdb [root@localhost ~]# iscsiadm -m node -T iqn.2003-01.org.linux-iscsi.localhost.x8664:sn.72b4c8640c0c -u [root@localhost ~]# ls -l /dev/sd* brw-rw----. 1 root disk 8, 0 8月 13 2019 /dev/sda brw-rw----. 1 root disk 8, 1 8月 13 2019 /dev/sda1 brw-rw----. 1 root disk 8, 2 8月 13 2019 /dev/sda2