[Lustre-discuss] Lustre 1.8.1 and ISCSI Kernel support

[Reykjavik hindisvik]

Hi,

Thank you for your answer.
I've tried compiling open-isicsi, but it seems to be the same :
Aug 26 10:40:45 lfs1 kernel:  connection1:0: Could not create connection due
to crc32c loading error. Make sure the crc32c module is built as a module or
into the kernel

I've just compiled open-iscsi like that :
make KSRC=/usr/src/kernels/2.6.18-128.1.14.el5_lustre.1.8.1-x86_64
Evrything seemed to be OK. But it's impossible to mount ISCSI target with
this way too...
Have ytou compiled it like that? Evrything works fine for you? Could you
tell me the rpm you use?

Someone have another idea?

Thank you

Best regards

Hindisvik

2009/8/26 Shuichi Ihara <ihara at sun.com>

>
> Hi,
>
> I saw that similar problem was posted on ofed list and I got same error
> before.
> http://lists.openfabrics.org/pipermail/general/2009-June/060027.html
>
> I'm also using the lustre with iscsi for just testing, but I built
> open-iscsi
> from the tarball and installed it. http://www.open-iscsi.org/
>
> Hope this helps.
>
> Thanks
> -Ihara
>
>
> Reykjavik hindisvik wrote:
>
>>
>>
>> 2009/8/26 Reykjavik hindisvik <hindisvik at gmail.com <mailto:
>> hindisvik at gmail.com>>
>>
>>
>>    Hi,
>>
>>    Thank you for your answer, it was a great idea to install
>>  kernel-ib-1.4.1-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm since it
>>    provides me the ISCSI modules needed! Thanx for that.
>>
>>    So now, I can start iscsid service and launch :
>>    iscsiadm -m discovery  --type sendtargets --portal 192.168.0.253
>>    ... but I still have a problem when I want to connect my target :
>>    iscsiadm -m node -T iqn.2008-07.fr.xxx:xxx.disk1.sys1.xyz -p
>>    192.168.0.253 -l
>>
>>    It gives me the following error :
>>    iscsiadm: Could not login to [iface: default, target:
>>    iqn.2008-07.fr.xxx:xxx.disk1.sys1.xyz, portal: 192.168.0.253,3260]:
>>    iscsiadm: initiator reported error (9 - internal error)
>>
>>    Aug 26 09:19:24 lfs1 kernel:  session2: couldn't create a new
>>    connection.<6>scsi7 : iSCSI Initiator over TCP/IP
>>    Aug 26 09:19:24 lfs1 kernel:  connection3:0: Could not create
>>    connection due to crc32c loading error. Make sure the crc32c module
>>    is built as a module or into the kernel
>>    Aug 26 09:19:24 lfs1 iscsid: received iferror -12
>>    Aug 26 09:19:24 lfs1 iscsid: can't create connection (115)
>>
>>    It seems there's a problem with the crc32c module, which is needed
>>    to mount an ISCSI target. If I use a non lustre patched kernel like
>>    : 2.6.18-128.1.14.el5 the module is compiled ionto the kernel and
>>    everything works fine.
>>
>>    What can I do?
>>    Have someone encountered this problem?
>>
>>    Thank you by advance.
>>
>>    Best regards,
>>
>>    Hindisvik
>>
>>
>>
>>    2009/8/25 Arne Wiebalck <arne.wiebalck at cern.ch
>>    <mailto:arne.wiebalck at cern.ch>>
>>
>>
>>        Hi Hindisvik,
>>
>>        iSCSI support is switched off in the lustre kernels, but it should
>>        be available from the kernel-ib package, see this thread:
>>
>>
>> http://lists.lustre.org/pipermail/lustre-discuss/2009-July/011068.html
>>
>>        I tried that with 1.8.0, but did not succeed: the iSCSI modules
>>        could not be loaded, so I compiled my own kernel in the end.
>>
>>        I did not check with 1.8.1, but if you succeed I would be very
>>        interested to know.
>>
>>        HTH,
>>         Arne
>>
>>
>>
>>
>>
>>        Reykjavik hindisvik wrote:
>>
>>            Hello,
>>
>>            I've downloaded the last release of Lustre (1.8.1) in rpm :
>>
>>            e2fsprogs-1.41.6.sun1-0redhat.rhel5.x86_64.rpm
>>            *kernel-lustre-2.6.18-128.1.14.el5_lustre.1.8.1.x86_64.rpm*
>>            lustre-1.8.1-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm
>>            lustre-client-1.8.1-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm
>>
>>  lustre-client-modules-1.8.1-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm
>>
>>  lustre-ldiskfs-3.0.9-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm
>>
>>  lustre-modules-1.8.1-2.6.18_128.1.14.el5_lustre.1.8.1.x86_64.rpm
>>
>>            I'd like to use Lustre with a ISCSI storage device, and it
>>            seems this kernel does not support ISCSI (?!)
>>            (scsi_transport_iscsi.ko). Have someone encouter this
>>            problem? Is there another version with SCSI support? What
>>            can I do?
>>
>>            Thank you be advance for any suggestion.
>>
>>            Best regards
>>
>>            Hindisvik
>>
>>
>>
>>
>> ------------------------------------------------------------------------
>>
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