Wise people learn when they can; fools learn when they must - Arthur Wellesley

Saturday, 18 March 2017

ISCSI ON RHEL6


ISCSI ON RHEL6

We need our openfiler to be realized by RHEL6.

[root@pr01 ~]# yum install -y iscsi*
Loaded plugins: product-id, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
Setting up Install Process
Package iscsi-initiator-utils-6.2.0.873-2.el6.x86_64 already installed and latest version
Nothing to do


[root@dr01 ~]# yum install -y iscsi*
Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
client                                                   | 2.9 kB     00:00
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package iscsi-initiator-utils.x86_64 0:6.2.0.873-2.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
 Package                    Arch        Version               Repository   Size
================================================================================
Installing:
 iscsi-initiator-utils      x86_64      6.2.0.873-2.el6       client      655 k

Transaction Summary
================================================================================
Install       1 Package(s)

Total download size: 655 k
Installed size: 2.2 M
Downloading Packages:
iscsi-initiator-utils-6.2.0.873-2.el6.x86_64.rpm         | 655 kB     00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Warning: RPMDB altered outside of yum.
** Found 10 pre-existing rpmdb problem(s), 'yum check' output follows:
glibc-2.12-1.25.el6.i686 has missing requires of glibc-common = ('0', '2.12', '1.25.el6')
glibc-2.12-1.107.el6.x86_64 is a duplicate with glibc-2.12-1.25.el6.i686
libgcc-4.4.7-3.el6.x86_64 is a duplicate with libgcc-4.4.5-6.el6.i686
libstdc++-4.4.7-3.el6.x86_64 is a duplicate with libstdc++-4.4.5-6.el6.i686
nss-softokn-freebl-3.12.9-11.el6.x86_64 is a duplicate with nss-softokn-freebl-3.12.9-3.el6.i686
pam-1.1.1-8.el6.i686 has missing requires of libaudit.so.1
pam-1.1.1-8.el6.i686 has missing requires of libcrack.so.2
pam-1.1.1-8.el6.i686 has missing requires of libdb-4.7.so
pam-1.1.1-8.el6.i686 has missing requires of libselinux.so.1
pam-1.1.1-13.el6.x86_64 is a duplicate with pam-1.1.1-8.el6.i686
  Installing : iscsi-initiator-utils-6.2.0.873-2.el6.x86_64                 1/1
  Verifying  : iscsi-initiator-utils-6.2.0.873-2.el6.x86_64                 1/1

Installed:
  iscsi-initiator-utils.x86_64 0:6.2.0.873-2.el6

Complete!

[root@pr01 ~]# chkconfig iscsi on
[root@pr01 ~]# chkconfig |grep iscsi
iscsi           0:off   1:off   2:on    3:on    4:on    5:on    6:off
iscsid          0:off   1:off   2:off   3:on    4:on    5:on    6:off

[root@dr01 ~]# chkconfig iscsi on
[root@dr01 ~]# chkconfig |grep iscsi
iscsi           0:off   1:off   2:on    3:on    4:on    5:on    6:off
iscsid          0:off   1:off   2:off   3:on    4:on    5:on    6:off

[root@pr01 ~]# iscsiadm -m discovery -t sendtargets -p 192.168.234.145:3260
Starting iscsid:                                           [  OK  ]
192.168.234.145:3260,1 iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4

[root@dr01 ~]# iscsiadm -m discovery -t sendtargets -p 192.168.234.145:3260
Starting iscsid:                                           [  OK  ]
192.168.234.145:3260,1 iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4

[root@pr01 ~]# iscsiadm -m node -T iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4 -p 192.168.234.145:3260
# BEGIN RECORD 6.2.0-873.2.el6
node.name = iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4
node.tpgt = 1
node.startup = automatic
node.leading_login = No
iface.hwaddress = <empty>
iface.ipaddress = <empty>
iface.iscsi_ifacename = default
iface.net_ifacename = <empty>
iface.transport_name = tcp
iface.initiatorname = <empty>
iface.bootproto = <empty>
iface.subnet_mask = <empty>
iface.gateway = <empty>
iface.ipv6_autocfg = <empty>
iface.linklocal_autocfg = <empty>
iface.router_autocfg = <empty>
iface.ipv6_linklocal = <empty>
iface.ipv6_router = <empty>
iface.state = <empty>
iface.vlan_id = 0
iface.vlan_priority = 0
iface.vlan_state = <empty>
iface.iface_num = 0
iface.mtu = 0
iface.port = 0
node.discovery_address = 192.168.234.145
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.nr_sessions = 1
node.session.auth.authmethod = None
node.session.auth.username = <empty>
node.session.auth.password = <empty>
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 = 192.168.234.145
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

[root@pr01 ~]# iscsiadm -m node -T iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4 -p 192.168.234.145:3260 -l
Logging in to [iface: default, target: iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4, portal: 192.168.234.145,3260] (multiple)
Login to [iface: default, target: iqn.2006-01.com.openfiler:tsn.5877ffe9e2f4, portal: 192.168.234.145,3260] successful.

we can check it by,

[root@pr01 ~]# fdisk -l

All LUN's from openfiler should be here. 

















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