Configure iSCSI Target2011/04/18 |
| 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. dlp.srv.world [10.0.0.30] - iSCSI Target www.srv.world [10.0.0.31] - 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. |
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| [1] | Configure iSCSI Target |
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# create a phisical volume [root@dlp ~]# pvcreate /dev/sdb1 Physical volume "/dev/sdb1" successfully created # create a volume group named "vg_target00" [root@dlp ~]# vgcreate -s 32M vg_target00 /dev/sdb1 Volume group "vg_target00" successfully created # create a logical volume named "lv_target00" [root@dlp ~]# lvcreate -L 100G -n lv_target00 vg_target00 Logical volume "lv_target00" created [root@dlp ~]# yum -y install scsi-target-utils [root@dlp ~]# vi /etc/tgt/targets.conf # if you set some devices, add <target>-</target> and set the same way with follows # naming rule : [ iqn.yaer-month.domain:any name ] <target iqn.2011-04.world.srv:target0> # provided devicce as a iSCSI target backing-store /dev/vg_target00/lv_target00 # iSCSI Initiator's IP address you allow to connect initiator-address 10.0.0.31 # authentication info ( set anyone you like for "username", "password" ) incominguser username password </target> [root@dlp ~]# /etc/rc.d/init.d/tgtd start Starting SCSI target daemon: [ OK ] [root@dlp ~]# chkconfig tgtd on [root@dlp ~]# tgtadm --mode target --op show # confirm status Target 1: iqn.2011-04.world.srv:target0 System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 00010000 SCSI SN: beaf10 Size: 0 MB Online: Yes Removable media: No Backing store type: rdwr Backing store path: None LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 107374 MB Online: Yes Removable media: No Backing store type: rdwr Backing store path: /dev/vg_target00/lv_target00 Account information: user ACL information: 10.0.0.31 |
| [2] | Complete to configure iSCSI Target.
See next step to configure iSCSI Initiatori.
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