[stgt] centos 5.3 crc32c module question

[charles zhuang]

Thanks Alex,
Yes, I can get open-iscsi working with iscsi. The problem is both ofed
and open-iscsi install iscsiadm, so there's a conflict here and I
haven't figured out what's the relationship in between. Besides, my
centos box is working on iser using ofed.
Does anyone know the history between ofed and open-iscsi?

Thanks,
Charles

-----Original Message-----
From: Alex Zeffertt [mailto:alex.zeffertt at eu.citrix.com] 
Sent: Wednesday, June 10, 2009 11:27 AM
To: charles zhuang
Cc: stgt at vger.kernel.org
Subject: Re: centos 5.3 crc32c module question

Hi Charles,

If you are just using CentOS as the initiator and not the target then
you could 
always use iscsi-initiator-utils (a.k.a. open-iscsi) instead of ofed.
This is 
supported in the official CentOS repos. You just need to

  yum install iscsi-initiator-utils
  iscsiadm -m discovery -p <targetip> -t sendtargets
  iscsiadm -m node -p <targetip> -T <target iqn reported by prev cmd> -l

Then the block device nodes appear - as if by magic - under
/dev/disk/by-path/

I'm not familiar with ofed, but it sounds like it requires you to
reconfigure 
and rebuild your kernel.

Regards,

Alex


charles zhuang wrote:
> Hi, 
> I am using centos 5.3 (kernel 2.6.18) + ofed 1.4 as my initiator, when
I
> try to login on iscsi target, there's following errors in the
initiator
> side:
> iscsi: registered transport (tcp)
> scsi5 : iSCSI Initiator over TCP/IP
>  connection4:0: Could not create connection due to crc32c loading
error.
> Make sure the crc32c module is built as a module or into the kernel
>  session4: couldn't create a new connection.<6>scsi6 : iSCSI Initiator
> over TCP/IP
> 
> I am able to run thru the same procedure on ubuntu 8.04 (kernel
2.6.24).
> 
> There's no crc32c.ko and libcrc32c.ko under /lib/modules.
> Any ideas on how can I get it run on my current centos 5.3 box?
> Thanks for your help. 
> 
> Thanks,
> Charles
> 
> 
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