Having some issues with SendTargets, so I've gone with this first  
example (static config), and am seeing some issues with the modify.

I am running the OpeniSCSI that comes with OFED 1.3.1. Should I move  
to another release, maybe?

/* create, no error */
# iscsiadm -m node -T iqn.1986-03.com.sun:02:aff22998-3466-4bf4- 
ee3c-958fd4b5d346 -p 10.8.0.6:3260 -o new
New iSCSI node [tcp:[hw=default,ip=,net_if=default,iscsi_if=default]  
10.8.0.6,3260,-1 iqn.1986-03.com.sun:02:aff22998-3466-4bf4- 
ee3c-958fd4b5d346] added

/* dump the config */
# iscsiadm -m node -T iqn.1986-03.com.sun:02:aff22998-3466-4bf4- 
ee3c-958fd4b5d346 -p 10.8.0.6:3260
node.name = iqn.1986-03.com.sun:02:aff22998-3466-4bf4-ee3c-958fd4b5d346
node.tpgt = -1
node.startup = manual
iface.hwaddress = default
iface.iscsi_ifacename = default
iface.net_ifacename = default
iface.transport_name = tcp
node.discovery_address = <empty>
node.discovery_port = 0
node.discovery_type = static
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.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 = 10
node.session.err_timeo.reset_timeout = 30
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 = 10.8.0.6
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.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

/* now, modify the transport (tcp to iser) */
# iscsiadm -m node -T iqn.1986-03.com.sun:02:aff22998-3466-4bf4- 
ee3c-958fd4b5d346 -p 10.8.0.6:3260 -o update -n iface.transport_name - 
v iser

/* no error, dump the config */
# iscsiadm -m node -T iqn.1986-03.com.sun:02:aff22998-3466-4bf4- 
ee3c-958fd4b5d346 -p 10.8.0.6:3260
iscsiadm: iface iter could not stat /etc/iscsi/nodes/iqn. 
1986-03.com.sun:02:aff22998-3466-4bf4-ee3c-958fd4b5d346/10.8.0.6,3260.
iscsiadm: Could not execute operation on all records. Err 19.

/* not sure what happened, but my "1" entry is now "-1"... with "iser"  
set as the transport_name */
# grep transport_name /etc/iscsi/nodes/iqn.1986-03.com.sun\: 
02\:aff22998-3466-4bf4-ee3c-958fd4b5d346/10.8.0.6\,3260\,-1/default
iface.transport_name = iser



On Aug 17, 2008, at 1:40 PM, Mike Christie wrote:

>
> Jesse Butler wrote:
>>
>> (This could be a duplicate post, not sure.  I posted Friday, but am
>> not seeing it on the archive online, so resending.)
>>
>> Hello-
>>
>> We have an iSER implementation under way for Solaris, and have  
>> reached
>> the point where we are working on Open iSCSI and OFED
>> interoperability.  I am starting with testing the Linux initiator
>> (RHEL 5.2, OFED 1.3.1) against our Solaris iSER-enabled target, and
>> I'm not getting very far.
>>
>> Most of our testing thusfar has been via StaticConfig discovery.  I
>> see that OpeniSCSI does not support this, and thus I am attempting to
>
> It does. You do
> iscsiadm -m node -T your_target -p ip:port -o new
> to create the basic config.
> Then do
> iscsiadm -m node -T your_target -p ip:port
> to see the settings.
>
> Then do:
> iscsiadm -m node -T your_target -p ip:port -o update -n  
> name_of_setting
> -v value_of_setting.
>
> I think you will at least want to change the transport and the digest
> settings for iser.
>
>> use SendTargets; I am running a SendTargets discovery session, and
>> then logging in manually to that node (iscsiadm -l).
>>
>> The connection is on IPoIB between the two nodes, but once discovery
>> is completed, it appears that the Linux node is configured to just  
>> use
>> the "tcp" transport - he is not attempting to use iSER at all.
>> Looking at the /etc/iscsi/nodes entry, iface.transport_name is "tcp".
>>
>
> Run
> iscsiadm -m node -T your_target -p ip:port -o update -n
> iface.transport_name -v iser
>
> The transport_name setting may be different in different releases. We
> have not got it set it yet.
>
> In
> http://www.open-iscsi.org/bits/open-iscsi-2.0-870-rc1.tar.gz
> you can just do
> iscsiadm -m discovery -t st -p ip:port -I iser
>
> and we assume you want to use the iser transport for all portals  
> found.
> In that release you can also pass in iser to
> iscsiadm -m node -T your_target -p ip:port -I iser -o new
>
> And a way to avoid all this, is using the method Erez suggested and  
> use
> the iscsi_discovery script which will do some magic probing and config
> udpates for you.
>
> >


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