Configure iSCSI Initiator2015/01/13 |
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Configure 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
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| [1] | Configure iSCSI Initiator. |
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[root@www ~]#
yum -y install iscsi-initiator-utils
[root@www ~]#
vi /etc/iscsi/iscsid.conf # line 34: uncomment node.session.auth.authmethod = CHAP # line 38,39: uncomment and set username and password which set on iSCSI Target node.session.auth.username = username node.session.auth.password = password
/etc/rc.d/init.d/iscsid start Starting iSCSI daemon: iscsi: registered transport (cxgb3i) iscsi: registered transport (bnx2i) iscsi: registered transport (tcp) iscsi: registered transport (iser) iscsi: registered transport (be2iscsi) [ OK ] [ OK ] [root@www ~]# chkconfig iscsi on
[root@www ~]#
chkconfig iscsid on # discover target [root@www ~]# iscsiadm -m discovery -t sendtargets -p 10.0.0.30 10.0.0.30:3260,1 iqn.2011-06.world.srv:target0 # confirm status after discovery [root@www ~]# iscsiadm -m node -o show # BEGIN RECORD 2.0-872 node.name = iqn.2011-06.world.srv:target0 node.tpgt = 1 node.startup = automatic iface.hwaddress = <;empty> iface.ipaddress = <;empty> iface.iscsi_ifacename = default iface.net_ifacename = <;empty> iface.transport_name = tcp iface.initiatorname = <;empty> node.discovery_address = 10.0.0.30 node.discovery_port = 3260 node.discovery_type = send_targets node.session.initial_cmdsn = 0 node.session.initial_login_retry_max = 8 node.session.xmit_thread_priority = -20 node.session.cmds_max = 128 node.session.queue_depth = 32 node.session.auth.authmethod = CHAP node.session.auth.username = username node.session.auth.password = ******** node.session.auth.username_in = <;empty> node.session.auth.password_in = <;empty> node.session.timeo.replacement_timeout = 120 node.session.err_timeo.abort_timeout = 15 node.session.err_timeo.lu_reset_timeout = 30 node.session.err_timeo.tgt_reset_timeout = 30 node.session.err_timeo.host_reset_timeout = 60 node.session.iscsi.FastAbort = Yes node.session.iscsi.InitialR2T = No node.session.iscsi.ImmediateData = Yes node.session.iscsi.FirstBurstLength = 262144 node.session.iscsi.MaxBurstLength = 16776192 node.session.iscsi.DefaultTime2Retain = 0 node.session.iscsi.DefaultTime2Wait = 2 node.session.iscsi.MaxConnections = 1 node.session.iscsi.MaxOutstandingR2T = 1 node.session.iscsi.ERL = 0 node.conn[0].address = 10.0.0.30 node.conn[0].port = 3260 node.conn[0].startup = manual node.conn[0].tcp.window_size = 524288 node.conn[0].tcp.type_of_service = 0 node.conn[0].timeo.logout_timeout = 15 node.conn[0].timeo.login_timeout = 15 node.conn[0].timeo.auth_timeout = 45 node.conn[0].timeo.noop_out_interval = 5 node.conn[0].timeo.noop_out_timeout = 5 node.conn[0].iscsi.MaxXmitDataSegmentLength = 0 node.conn[0].iscsi.MaxRecvDataSegmentLength = 262144 node.conn[0].iscsi.HeaderDigest = None node.conn[0].iscsi.IFMarker = No node.conn[0].iscsi.OFMarker = No # END RECORD # login to target [root@www ~]# iscsiadm -m node --login Logging in to [iface: default, target: iqn.2011-06.world.srv:target0, portal: 10.0.0.30,3260] Vendor: IET Model: Controller Rev: 0001 Type: RAID ANSI SCSI revision: 05 Vendor: IET Model: VIRTUAL-DISK Rev: 0001 Type: Direct-Access ANSI SCSI revision: 05 SCSI device sda: 104857600 512-byte hdwr sectors (53687 MB) sda: Write Protect is off SCSI device sda: drive cache: write back SCSI device sda: 104857600 512-byte hdwr sectors (53687 MB) sda: Write Protect is off SCSI device sda: drive cache: write back sd 0:0:0:1: Attached scsi disk sda Login to [iface: default, target: iqn.2011-06.world.srv:target0, portal: 10.0.0.30,3260] successful. # confirm established session [root@www ~]# iscsiadm -m session -o show tcp: [1] 10.0.0.30:3260,1 iqn.2011-06.world.srv:target0
# confirm partitions [root@www ~]# cat /proc/partitions major minor #blocks name 253 0 20971520 vda 253 1 104391 vda1 253 2 20860402 vda2 252 0 16744448 dm-0 252 1 4096000 dm-1 8 0 52428800 sda # added new device provided from target as [sda]
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