Configure iSCSI Initiator2015/05/06 |
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Configure iSCSI Initiator.
This example is based on the environment below.
+----------------------+ | +----------------------+ | [ iSCSI Target ] |10.0.0.30 | 10.0.0.31| [ iSCSI Initiator ] | | dlp.srv.world +----------+----------+ client.srv.world | | | | | +----------------------+ +----------------------+ |
| [1] | Configure iSCSI Initiator. |
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root@client:~#
apt-get -y install open-iscsi
root@client:~#
vi /etc/iscsi/iscsid.conf # line 53: uncomment node.session.auth.authmethod = CHAP # line 57,58: uncomment and set username and password which set on iSCSI Target node.session.auth.username = username node.session.auth.password = password
root@client:~#
systemctl restart open-iscsi
# discover target root@client:~# iscsiadm -m discovery -t sendtargets -p 10.0.0.30 10.0.0.30:3260,1 iqn.2015-05.world.srv:target00 # confirm status after discovery root@client:~# iscsiadm -m node -o show
# BEGIN RECORD 2.0-873
node.name = iqn.2015-05.world.srv:target00 node.tpgt = 1 node.startup = manual node.leading_login = No ..... ..... # login to target root@client:~# iscsiadm -m node --login
Logging in to [iface: default, target: iqn.2015-05.world.srv:target00, portal: 10.0.0.30,3260] (multiple)
Login to [iface: default, target: iqn.2015-05.world.srv:target00, portal: 10.0.0.30,3260] successful. # confirm established session root@client:~# iscsiadm -m session -o show
tcp: [1] 10.0.0.30:3260,1 iqn.2015-05.world.srv:target00
# confirm partitions root@client:~# cat /proc/partitions major minor #blocks name 2 0 4 fd0 8 0 157286400 sda 8 1 248832 sda1 8 2 1 sda2 8 5 157034496 sda5 252 0 148639744 dm-0 252 1 8384512 dm-1 11 0 1048575 sr0 8 16 83886080 sdb # added new device provided from target as [sdb] |
| [2] | It's possible to use iSCSI device like follows. |
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root@client:~#
apt-get -y install parted # create a label root@client:~# parted --script /dev/sdb "mklabel msdos" # create a partition root@client:~# parted --script /dev/sdb "mkpart primary 0% 100%" # format with EXT4 root@client:~# mkfs.ext4 /dev/sdb1
# mount root@client:~# mount /dev/sdb1 /mnt root@client:~# df -hT Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 797M 8.9M 788M 2% /run /dev/mapper/dlp--vg-root ext4 140G 1.7G 131G 2% / tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 ext2 236M 74M 150M 33% /boot tmpfs tmpfs 797M 0 797M 0% /run/user/0 /dev/sdb1 ext4 79G 56M 75G 1% /mnt |
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