What is your setup? What OS and version are you running on, what is your
transport, and what tape drive are you using?
On Saturday, December 10, 2016 at 9:24:33 AM UTC-8, Dave partridge wrote:
>
> I did:
>
> root@Charon:/home/amonra# mt -f /dev/st0 fsf 1
> mt: /dev/st0: rmtioctl failed: Input/output error root
> @Charon:/home/amonra#
>
>
> The rmtioctl message appeared after about 10-15 seconds, and the iSCSI
> target showed that the session had dropped after another 10-15 seconds.
>
> When I was returned to the command line prompt, the target showed the
> session as connected again.
>
> During most/all of this time the forward space file operation was still
> running.
>
> root@Charon:/home/amonra# iscsiadm -m node --targetname
> "iqn.2008-08.com.starwindsoftware:mercury-ultrium2" --portal
> "192.168.129.77:3260"
> # BEGIN RECORD 2.0-873node.name =
> iqn.2008-08.com.starwindsoftware:mercury-ultrium2
> node.tpgt = -1
> node.startup = manual
> node.leading_login = No
> iface.hwaddress =
> iface.ipaddress =
> iface.iscsi_ifacename = default
> iface.net_ifacename =
> iface.transport_name = tcp
> iface.initiatorname =
> iface.bootproto =
> iface.subnet_mask =
> iface.gateway =
> iface.ipv6_autocfg =
> iface.linklocal_autocfg =
> iface.router_autocfg =
> iface.ipv6_linklocal =
> iface.ipv6_router =
> iface.state =
> iface.vlan_id = 0
> iface.vlan_priority = 0
> iface.vlan_state =
> iface.iface_num = 0
> iface.mtu = 0
> iface.port = 0node.discovery_address = 192.168.129.77
> 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 =
> node.session.auth.password =
> node.session.auth.username_in =
> node.session.auth.password_in =
> 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 = 192.168.129.77
> 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.DataDigest = NoneThe return to the command prompt took a
> while longer.
> node.conn[0].iscsi.IFMarker = No
> node.conn[0].iscsi.OFMarker = No
> # END RECORD
> root@Charon:/home/amonra#
>
> I'm guessing that the problem relates to iSCSI timeouts for tape devices.
> Please can you guide me in baby steps what I need to do to resolve this
> problem.
>
> Thanks
> Dave
>
>
>
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