Configure iSCSI Target2013/05/10

Configure Storage Server with iSCSI. A storage on a network is called iSCSI Target, a Client which connects to iSCSI Target is called iSCSI Initiator.

This example is based on the environment below.

nas01.srv.world

[10.0.0.50] - iSCSI Target

client.srv.world

[10.0.0.60] - iSCSI Initiator

This example configures to create LVM partition on iSCSI Target, so it need to have enough areas to use. If your iSCSI Target does not have enough areas, add new hard drive.

[1]

Configure iSCSI Target

# create a phisical volume

root@nas01:~#

pvcreate /dev/sdb1

Physical volume "/dev/sdb1" successfully created

# create a volume group named "vg_target00"

root@nas01:~#

vgcreate -s 32M vg_target00 /dev/sdb1

Volume group "vg_target00" successfully created

# create a logical volume named "lv_target00"

root@nas01:~#

lvcreate -L 100G -n lv_target00 vg_target00

Logical volume "lv_target00" created

root@nas01:~#

aptitude -y install iscsitarget iscsitarget-dkms

root@nas01:~#

vi /etc/default/iscsitarget

# change

ISCSITARGET_ENABLE=

true

root@nas01:~#

vi /etc/iet/ietd.conf

# add at the last

# naming rule : [ iqn.yaer-month.domain:any name ]

Target iqn.2013-05.world.srv:target00

# provided devicce as a iSCSI target

Lun 0 Path=/dev/vg_target00/lv_target00,Type=blockio

# iSCSI Initiator's IP address you allow to connect

initiator-address 10.0.0.60

# authentication info ( set anyone you like for "username", "password" )

incominguser username password

root@nas01:~#

/etc/init.d/iscsitarget restart

 * Removing iSCSI enterprise target devices:
   ...done.
 * Starting iSCSI enterprise target service
   ...done.
   ...done.

root@nas01:~#

ietadm --op show --tid=1

# show status

Wthreads=8
Type=0
QueuedCommands=32
NOPInterval=0
NOPTimeout=0

[2]	Complete to configure iSCSI Target. See next step to configure iSCSI Initiator.

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