[ewg] rhel 5.2 OFED 1.3.1 iSER support?

[Sameer Mehta]

Hello All,

I am using rhel5.2 with OFED 1.3.1 drivers for linux, and noticing that 
the initiator is unable to connect over iSER. My question is - is iSER 
support available in 1.3.1? When I try and connect using ipoib address, 
I get a connection failure. I am using Sun x64 comstar iSCSI target 
(with iser transport) and rhel5.2 as the initiator.

Here's what I did from the rhel5.2 initiator:-
(all of these commands succeeded without errors or warnings)
# iscsiadm -m node -T 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513 -p 
192.168.0.5:3260,1 -o new
# iscsiadm -m node -T 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513 -p 
192.168.0.5:3260,1 -o update -n iface.transport_name -v iser
# iscsiadm -m node -T 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513 -p 
192.168.0.5:3260,1 -o update -n node.session.iscsi.ImmediateData -v No
# iscsiadm -m node -T 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513 -p 
192.168.0.5:3260,1 -o update -o update -n 
node.conn[0].iscsi.HeaderDigest -v None

During login/discovery I see the following error message -

# iscsiadm -m node -T 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513 -p 
192.168.0.5:3260,1 --login
Login session [iface: default, target: 
iqn.1986-03.com.sun:02:301a8b75-39fc-4599-95f4-b29586cb0513, portal: 
192.168.0.5,3260]
iscsiadm: initiator reported error (4 - encountered connection failure)
iscsiadm: Could not execute operation on all records. Err 107.
#

/var/log/messages says -
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: iser_connect:connecting to: 
192.168.0.5, port 0xbc0c
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: iser_cma_handler:event 0 
conn ffff81015de00bc0 id ffff81017fc8e200
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: iser_cma_handler:event 2 
conn ffff81015de00bc0 id ffff81017fc8e200
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: 
iser_create_ib_conn_res:setting conn ffff81015de00bc0 cma_id 
ffff81017fc8e200: fmr_pool ffff810140c9aec0 qp ffff810168974e00
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: iser_cma_handler:event 8 
conn ffff81015de00bc0 id ffff81017fc8e200
Dec  2 16:44:52 nws-bur-25-46 kernel: iser: iser_cma_handler:event: 8, 
error: 8
Dec  2 16:44:53 nws-bur-25-46 kernel: iser: iscsi_iser_ep_poll:ib conn 
ffff81015de00bc0 rc = -1
Dec  2 16:44:53 nws-bur-25-46 kernel: iser: iscsi_iser_ep_disconnect:ib 
conn ffff81015de00bc0 state 4
Dec  2 16:44:53 nws-bur-25-46 kernel: iser: 
iser_free_ib_conn_res:freeing conn ffff81015de00bc0 cma_id 
ffff81017fc8e200 fmr pool ffff810140c9aec0 qp ffff810168974e00
Dec  2 16:44:53 nws-bur-25-46 kernel: iser: 
iser_device_try_release:device ffff810143269140 refcount 0

I can connect to the iSCSI target using sockets, but iser transport 
seems to be having problems.

Am I missing something here? is iSER transport available in v1.4?

thanks,
~sameer