Hello,
I am having some trouble with ISCSI to work on RHEL 6.2. It currently is using 1 nic to connect to SAN and shows only 1 session instead of 2. I have configured TWO nics(em3 & em4) to perform multipathing and have verified that both can connect to SAN. Any ideas how to get multipath to work? I only see 1 device instead of 2 in multipath. Please see my config below. Another strange thing is that the iface_name has different MAC address than what ifconfig shows. ------------------------------------------------------------------------ ------------------------------------------------ # iscsiadm -m session tcp: [17] 10.10.100.200:3260,1 iqn.2001-05.com.equallogic:8-cb2b76-511758f4a-f4015609f414f7a1-fs-proj-0 1 # multipath -ll fs-proj-01 (368b7b2acf4581751a1f714f4096sd1f4) dm-7 EQLOGIC,100E-00 size=50G features='0' hwhandler='0' wp=rw `-+- policy='round-robin 0' prio=1 status=active `- 7:0:0:0 sdb 8:16 active ready running # iscsiadm -m discovery 10.10.100.200:3260 via sendtargets # iscsiadm -m iface default tcp,<empty>,<empty>,<empty>,<empty> iser iser,<empty>,<empty>,<empty>,<empty> bnx2i.18:03:73:f2:fc:b7 bnx2i,18:03:73:f2:fc:b7,<empty>,<empty>,<empty> bnx2i.18:03:73:f2:fc:b9 bnx2i,18:03:73:f2:fc:b9,<empty>,<empty>,<empty> bnx2i.18:03:73:f2:fc:b3 bnx2i,18:03:73:f2:fc:b3,<empty>,<empty>,<empty> bnx2i.18:03:73:f2:fc:b5 bnx2i,18:03:73:f2:fc:b5,<empty>,<empty>,<empty> # cat /etc/iscsi/iscsid.conf discovery.sendtargets.iscsi.MaxRecvDataSegmentLength = 32768 node.conn[0].iscsi.HeaderDigest = None node.conn[0].iscsi.MaxRecvDataSegmentLength = 262144 node.conn[0].iscsi.MaxXmitDataSegmentLength = 0 node.conn[0].timeo.login_timeout = 15 node.conn[0].timeo.logout_timeout = 15 node.conn[0].timeo.noop_out_interval = 5 node.conn[0].timeo.noop_out_timeout = 5 node.leading_login = No node.session.cmds_max = 1024 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.initial_login_retry_max = 8 node.session.iscsi.FastAbort = Yes node.session.iscsi.FirstBurstLength = 262144 node.session.iscsi.ImmediateData = Yes node.session.iscsi.InitialR2T = No node.session.iscsi.MaxBurstLength = 16776192 node.session.nr_sessions = 2 node.session.queue_depth = 128 node.session.timeo.replacement_timeout = 120 node.session.xmit_thread_priority = -20 node.startup = automatic Thanks, Prashanth
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