目录
1 starwind 创建Target和Devices
2 安装iscsi和配置
yum install iscsi-initiator-utils -y
echo "options=--whitelisted --replace-whitespace" >/etc/scsi_id.config
systemctl enable iscsi
systemctl start iscsi
#发现Tagget
[root@o7-oracle11g-101 etc]# iscsiadm -m discovery -t st -p 192.168.254.3
192.168.254.3:3260,-1 iqn.2008-08.com.starwindsoftware:192.168.254.1-erpdb
192.168.254.3:3260,-1 iqn.2008-08.com.starwindsoftware:192.168.254.1-erpbackup
#添加4台设备
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpdb -p 192.168.254.3:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpdb -p 192.168.254.4:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpdb -p 192.168.254.5:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpdb -p 192.168.254.6:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpbackup -p 192.168.254.3:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpbackup -p 192.168.254.4:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpbackup -p 192.168.254.5:3260 -l
iscsiadm -m node -T iqn.2008-08.com.starwindsoftware:192.168.254.1-fgerpbackup -p 192.168.254.6:3260 -l
检查设备
[root@o7-oracle11g-101 etc]# fdisk -l|grep Disk
Disk /dev/sda: 42.9 GB, 42949672960 bytes, 83886080 sectors
Disk label type: dos
Disk identifier: 0x0005eea1
Disk /dev/sdb: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/sdc: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/sdd: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/sde: 1073 MB, 1073741824 bytes, 2097152 sectors
3 配置多路径-ASM，使用uuid管理
yum install device-mapper-multipath -y
[root@o7-oracle11g-101 etc]# cat /etc/multipath.conf
defaults {
polling_interval 10
path_selector "round-robin 0"
path_grouping_policy multibus
rr_min_io 100
max_fds 8192
rr_weight priorities
failback immediate
user_friendly_names yes
find_multipaths yes
}
blacklist {
wwid 36000c293d8c49bd85748fd2af81450a2
}
multipaths {
multipath {
wwid 20fe72515adbc91ff
alias asm-dggrid1
}
multipath {
wwid 2e92117f96d021775
alias asm-dggrid2
}
multipath {
wwid 255e1bd02cc90ce19
alias asm-dggrid3
}
multipath {
wwid 2f5f165f39ae8bf8c
alias asm-dggrid4
}
}
#启动multipath
systemctl enable multipathd
systemctl start multipathd
#查看
[root@o7-oracle11g-101 etc]# multipath -ll
asm-dgrecovery2 (273ea38247ab748e1) dm-12 ROCKET ,IMAGEFILE
size=2.0G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 3:0:0:8 sdr 65:16 active ready running
|- 5:0:0:8 sdae 65:224 active ready running
|- 4:0:0:8 sdaf 65:240 active ready running
`- 7:0:0:8 sdaz 67:48 active ready running
asm-dgrecovery1 (2d0a0c38211cd5620) dm-11 ROCKET ,IMAGEFILE
size=2.0G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
|- 3:0:0:7 sdn 8:208 active ready running
|- 4:0:0:7 sdad 65:208 active ready running
|- 5:0:0:7 sdac 65:192 active ready running
`- 7:0:0:7 sday 67:32 active ready running
#查看ASM组磁盘
[root@o7-oracle11g-101 etc]# dmsetup ls|grep asm
asm-dgrecovery2 (252:12)
asm-dgrecovery1 (252:11)
asm-dggrid6 (252:6)
asm-dggrid5 (252:2)
asm-dggrid4 (252:5)
asm-dggrid3 (252:4)
asm-dggrid2 (252:1)
asm-dgsystem1 (252:7)
asm-dggrid1 (252:0)
asm-dgrecovery3 (252:10)