The iser transport is only supported for some cards. It's normally an infiniband transport.
Do you have a CNA card (and infrastructure) that supports iser? On Tuesday, November 22, 2022 at 11:28:47 PM UTC-8 Luis Navarro wrote: > Hi all, > > I'm trying to test a new Ubuntu 22.04.1 LIO iSCSI target with iscsiadm > 2.1.5 (installed via "apt"). iscsiadm works fine over "tcp" transport but > always fails over the "iser" transport with the following error: > > iscsiadm: Could not load transport iser.Dropping interface iface0. > > Here are the commands I ran: > > $ sudo iscsiadm -m iface -I iface0 --op=new > $ sudo iscsiadm -m iface -I iface0 -o update -n iface.transport_name -v > iser > $ sudo iscsiadm -m discovery -t st -p 192.168.25.5:3260 -I iface0 -d 8 > iscsiadm: Max file limits 1024 1048576 > iscsiadm: updating defaults from '/etc/iscsi/iscsid.conf' > iscsiadm: updated 'discovery.sendtargets.iscsi.MaxRecvDataSegmentLength', > '32768' => '32768' > iscsiadm: updated 'node.startup', 'manual' => 'manual' > iscsiadm: updated 'node.leading_login', 'No' => 'No' > iscsiadm: updated 'node.session.timeo.replacement_timeout', '120' => '120' > iscsiadm: updated 'node.conn[0].timeo.login_timeout', '30' => '15' > iscsiadm: updated 'node.conn[0].timeo.logout_timeout', '15' => '15' > iscsiadm: updated 'node.conn[0].timeo.noop_out_interval', '5' => '5' > iscsiadm: updated 'node.conn[0].timeo.noop_out_timeout', '5' => '5' > iscsiadm: updated 'node.session.err_timeo.abort_timeout', '15' => '15' > iscsiadm: updated 'node.session.err_timeo.lu_reset_timeout', '30' => '30' > iscsiadm: updated 'node.session.err_timeo.tgt_reset_timeout', '30' => '30' > iscsiadm: updated 'node.session.initial_login_retry_max', '4' => '8' > iscsiadm: updated 'node.session.cmds_max', '128' => '128' > iscsiadm: updated 'node.session.queue_depth', '32' => '32' > iscsiadm: updated 'node.session.xmit_thread_priority', '-20' => '-20' > iscsiadm: updated 'node.session.iscsi.InitialR2T', 'No' => 'No' > iscsiadm: updated 'node.session.iscsi.ImmediateData', 'Yes' => 'Yes' > iscsiadm: updated 'node.session.iscsi.FirstBurstLength', '262144' => > '262144' > iscsiadm: updated 'node.session.iscsi.MaxBurstLength', '16776192' => > '16776192' > iscsiadm: updated 'node.conn[0].iscsi.MaxRecvDataSegmentLength', '262144' > => '262144' > iscsiadm: updated 'node.conn[0].iscsi.MaxXmitDataSegmentLength', '0' => '0' > iscsiadm: updated 'node.session.nr_sessions', '1' => '1' > iscsiadm: updated 'node.session.reopen_max', '0' => '0' > iscsiadm: updated 'node.session.iscsi.FastAbort', 'Yes' => 'Yes' > iscsiadm: updated 'node.session.scan', 'auto' => 'auto' > iscsiadm: looking for iface conf /etc/iscsi/ifaces/iface0 > iscsiadm: updated 'iface.iscsi_ifacename', 'iface0' => 'iface0' > iscsiadm: updated 'iface.prefix_len', '0' => '0' > iscsiadm: updated 'iface.transport_name', '' => 'iser' > iscsiadm: updated 'iface.vlan_id', '0' => '0' > iscsiadm: updated 'iface.vlan_priority', '0' => '0' > iscsiadm: updated 'iface.iface_num', '0' => '0' > iscsiadm: updated 'iface.mtu', '0' => '0' > iscsiadm: updated 'iface.port', '0' => '0' > iscsiadm: updated 'iface.tos', '0' => '0' > iscsiadm: updated 'iface.ttl', '0' => '0' > iscsiadm: updated 'iface.tcp_wsf', '0' => '0' > iscsiadm: updated 'iface.tcp_timer_scale', '0' => '0' > iscsiadm: updated 'iface.def_task_mgmt_timeout', '0' => '0' > iscsiadm: updated 'iface.erl', '0' => '0' > iscsiadm: updated 'iface.max_receive_data_len', '0' => '0' > iscsiadm: updated 'iface.first_burst_len', '0' => '0' > iscsiadm: updated 'iface.max_outstanding_r2t', '0' => '0' > iscsiadm: updated 'iface.max_burst_len', '0' => '0' > iscsiadm: in read_transports > iscsiadm: Adding new transport tcp > iscsiadm: Matched transport tcp > iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'handle' > iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'caps' > iscsiadm: in read_transports > iscsiadm: Updating transport tcp > iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'handle' > iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'caps' > iscsiadm: Could not load transport iser.Dropping interface iface0. > > Looking at the /sys/class/iscsi_transport and > /sys/devices/virtual/iscsi_transport directories on the client system, I > only see "tcp". Should I also be seeing "iser"? Is there an extra package > I need to install or step I need to take to get "iser" devices under the > "iscsi_transport" directory? > > Thanks! > Luis > -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/open-iscsi/9d24cea1-f8a8-43e9-9982-c9e6df0cf770n%40googlegroups.com.
