Hello Thomas,

We have seen cases where connecting to a LEFTHAND target resulted in the
local host requesting to perform LUN resets and the bnx2i in RHELS 5.5
does not have support for such.

Here's an upstream patch which adds the TMF LUN reset support to bnx2i:
http://www.mail-archive.com/[email protected]/msg05058.html

In the case that it doesn't help, it would be helpful if you can gather
a sniffer trace and var/logs so that we can see what the target is doing
during the failure observed.

Cheers,
Eddie

> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On 
> Behalf Of Thomas
> Sent: Thursday, November 18, 2010 6:12 PM
> To: open-iscsi
> Subject: bnx2i keeps losing the connection
> 
> Hi,
> 
> I'm having trouble using the bnx2i transport connecting a RHEL5.5
> server to a HP LeftHand Portal.
> The tcp transport is working fine.
> 
> Even without any activity, no file system mounted, I get repeated
> errors like these:
> 
> Nov 18 17:53:09 pxfs02 kernel:  connection1:0: received itt 0 expected
> session age (3)
> Nov 18 17:53:57 pxfs02 last message repeated 2 times
> Nov 18 17:54:07 pxfs02 kernel:  connection1:0: detected conn error
> (1011)
> Nov 18 17:54:08 pxfs02 iscsid: Kernel reported iSCSI connection 1:0
> error (1011) state (3)
> Nov 18 17:54:10 pxfs02 kernel: bnx2i [04:00.00]: ISCSI_INIT passed
> Nov 18 17:54:11 pxfs02 kernel:  connection1:0: detected conn error
> (1011)
> Nov 18 17:54:11 pxfs02 kernel: bnx2i [04:00.00]: ISCSI_INIT passed
> Nov 18 17:54:12 pxfs02 kernel:  connection1:0: bnx2i: conn update -
> MBL 0x100000 FBL 0x40000MRDSL_I 0x40000 MRDSL_T 0x40000
> Nov 18 17:54:12 pxfs02 iscsid: connection1:0 is operational after
> recovery (1 attempts)
> 
> Put under some load, this eventually led to I/O errors and file system
> corruption.
> 
> The system is a fully updated RHEL5.5 plus the latest initiator from
> Mike Christie,
> iscsi-initiator-utils-6.2.0.872-6.el5
> 
> I'll be happy to supply more details, but I'm rather new to iscsi and
> not really sure what
> information is relevant.
> 
>  - Thomas
> 


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