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iSCSI

iSCSI Initiator

To Get iSCSI Initiator run on linux install

apt-get install open-iscsi

and

iscsiadm -m discovery -t sendtargets -p <iSCSI Targethost>   #<iSCSI Targethost> = IP of the iSCSI Target

This will discover the target such as

192.168.1.10:3260,1 iqn.2006-01.com.openfiler:tsn.c0e878a1bece

To login use:

iscsiadm --mode node --targetname iqn.2006-01.com.openfiler:tsn.c0e878a1bece --portal 192.168.1.10:3260 --login

Automtically load target after reboot system (replaces previus command!)

iscsiadm -m node -T iqn.2006-01.com.openfiler:scsi.linux3-data-1 -p 192.168.2.195 --op update -n node.startup -v automatic

Finally run

/etc/init.d/open-iscsi restart

and there should be a new device such as /dev/sdX

which you can format with fdisk, make filesystem (mkfs.extX) and mount

Config "default"

/etc/iscsi/nodes/vl2.drive0.00304835c6d0.524/192.168.254.15,3260,1/default

node.name = iqn.2006-01.com.openfiler:tsn.c0e878a1bece
node.tpgt = 1
node.startup = manual                                             #change to "automatic" if target shall load after reboot
iface.hwaddress = default
iface.iscsi_ifacename = default
iface.net_ifacename = default
iface.transport_name = tcp
node.discovery_address = 10.6.7.10
node.discovery_port = 3260
node.discovery_type = send_targets
node.session.initial_cmdsn = 0
node.session.initial_login_retry_max = 4
node.session.cmds_max = 128
node.session.queue_depth = 32
node.session.auth.authmethod = None
node.session.timeo.replacement_timeout = 120
node.session.err_timeo.abort_timeout = 10
node.session.err_timeo.reset_timeout = 30
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 = 0
node.session.iscsi.MaxConnections = 1
node.session.iscsi.MaxOutstandingR2T = 1
node.session.iscsi.ERL = 0
node.conn[0].address = 10.6.7.10
node.conn[0].port = 3260
node.conn[0].startup = automatic
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.active_timeout = 5
node.conn[0].timeo.idle_timeout = 60
node.conn[0].timeo.ping_timeout = 5
node.conn[0].timeo.noop_out_interval = 10
node.conn[0].timeo.noop_out_timeout = 15
node.conn[0].iscsi.MaxRecvDataSegmentLength = 131072
node.conn[0].iscsi.HeaderDigest = None,CRC32C
node.conn[0].iscsi.DataDigest = None
node.conn[0].iscsi.IFMarker = No
node.conn[0].iscsi.OFMarker = No

See also on:

http://www.howtoforge.com/using-iscsi-on-ubuntu-9.04-initiator-and-target

http://www.cyberciti.biz/faq/howto-setup-debian-ubuntu-linux-iscsi-initiator/

http://linux.die.net/man/8/iscsiadm

Openfiler

Access:

https://IP:446

linux/iscsi.1304693032.txt.gz · Last modified: 2017/12/09 01:10 (external edit)
 
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