I was able to setup the FCoE target using x520 Niantec adapter connected to
Nexus 5020 FCoE switch in our lab successfully about a year back. Target driver
is FCST which I downloaded from http://scst.sourceforge.net/target_fcoe.html
and driver is IXGBE. I have created a README file at that time which is based
on fcst read-me with detailed steps to re-create the FCoE target again. Hope
this helps, please find the attached readme doc.
Thanks,
Prasad
----- Original Message -----
From: "Kenneth Zhang" <[email protected]>
To: "Robert W Love" <[email protected]>, "luqiuping_zju"
<[email protected]>, [email protected]
Sent: Friday, September 13, 2013 2:00:58 PM
Subject: Re: [Open-FCoE] Fw:Can intel x520 network adapter use as fcoe
target?
The description regarding target mode of Intel adapter and Qlogic adapter in
that document is misleading. The fact is that Netapp uses Qlogic adapter in
its storage device, not that Intel X520 does not support target mode.
In your case, after you installed fcoe-target-utils, the same physical
interface is running as an Initiator as well as a target concurrently; they
should share the same fcid. Since you can get fcid for initiator, you should
also get fcid for the target.
Can you do trouble shooting:
- swap cable between initiator and target and see you can get fcid on target
but not on initiator; if yes, you may have config issue in the switch, if not
you may have config issue in the target
- check switch port to see PFC operation is "ON" or maybe other setups
- check DCB setting on the target system with dcbtool and lldptool
Thanks, Ken
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Love, Robert W
Sent: Friday, September 13, 2013 1:10 PM
To: luqiuping_zju; [email protected]
Subject: Re: [Open-FCoE] Fw:Can intel x520 network adapter use as fcoe target?
I contacted the document owner and it is simply out of date. The FCoE target
should work fine on x520. The RH document should work just fine.
I am unsure why you're not getting an FCID. Are the VLAN and FCF being
discovered correctly?
It's likely to just be a configuration problem. If the log file isn't providing
details as to why, you could take a wire trace to see what's happening on the
wire or turn on debug_logging to see if there are any clues with extra
verbosity.
//Rob
From: luqiuping_zju [mailto:[email protected]]
Sent: Wednesday, September 11, 2013 3:03 AM
To: Love, Robert W; [email protected]
Subject: Fw:Can intel x520 network adapter use as fcoe target?
HI, Open fcoe team
I'm one eigneer in China who would like to set up end-to-end fcoe to run
fcoe traffic. But I have trouble when try to set up fcoe target on the x520
adaptor. So I have question if x520 network adaptoer can be used as fcoe target?
I'm trying to setup end-to-end fcoe via below enviroment:
server->cisco switch->storage
server enviroment: original HP server installed with x520 network
adaper. Run as fcoe initiator. Software enviroment redhat 6.4. Fcoe-utils
software installed.
cisco switch: cisco 5000 series nexus 5548P switch
storage: exactly the same hardware as server. also original HP server
installed with x520 adapter. Run as fcoe initiator. Software enviroment 6.4.
fcoe-target-utils software installed.
I have followeed below steps in the redhat fcoe setup release note.
https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/fcoeconfig.html
The fcoe initiator can be set up successfully via intel x520 network
adapter. "fcoeadm -i" would show the exactly the fcoe device online. The
connection setup with Cisco switch successfully.
But the fcoe target with intel x520 adapter can't via the steps in the
link upstairs. "fcoeadm -i" wouldn't show the fcoe device online in target
side. Either in cisco switch would not see the target fcid.
Below there question would you help do an answer.
1. So I'm wondering if x520 server can support fcoe target? Does it
mean x520 adapter could not used as a fcoe target? There is one such
description in the attachment technical document(Intel Cloud Builders_Unified
Networking_FCOE.pdf) written by intel.
Since the Intel Ethernet Server Adapter x520 does not support a FCoE
Target, Qlogic FCoE cards are used for access.
2. If intel fcoe card can be used as fcoe target, would you give me
hints how to set it up?
3. If intel fcoe card can't be used as fcoe target, would you show me
which Qlogic fcoe cards cards can be used as fcoe target?
I would provide more info if you need.
Great thanks in advance,
Qiuping
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