Re: [Xen-users] Open-iSCSI

["Angel Lopez" <angel@xxxxxxxxxx>]

OK, problem solved with a recompilation of ib_iser

For iSCSI software initiators, Open-iSCSI is the better choice? I have
tested iSCSI-Core but it seems slower than Open-iSCSI... which initiator
do you recommend?

> Hi,
>
> It seems that my problem is the CRC checking for module versions in
> /lib/modules/`uname -r`/build/Module.symvers are diferent from the
> versions of the Open-iSCSI modules (iscsi_tcp.ko, libiscsi.ko and
> scsi_transport_iscsi.ko) that I have built.
>
> Before installing Open-iSCSI:
>
> # nm /lib/modules/`uname -r`/kernel/drivers/scsi/libiscsi.ko | grep
> iscsi_conn_setup
> a884cb50 A __crc_iscsi_conn_setup
> 00001aeb T iscsi_conn_setup
> 00000048 r __kcrctab_iscsi_conn_setup
> 0000018e r __kstrtab_iscsi_conn_setup
> 00000090 r __ksymtab_iscsi_conn_setup
>
> # grep iscsi_conn_setup /lib/modules/`uname -r`/build/Module.symvers
> 0xa884cb50      iscsi_conn_setup        drivers/scsi/libiscsi
> EXPORT_SYMBOL_GPL
>
> After installing Open-iSCSI:
>
> # nm /lib/modules/`uname -r`/kernel/drivers/scsi/libiscsi.ko | grep
> iscsi_conn_setup
> 4184140d A __crc_iscsi_conn_setup
> 00001c14 T iscsi_conn_setup
> 00000048 r __kcrctab_iscsi_conn_setup
> 0000018e r __kstrtab_iscsi_conn_setup
> 00000090 r __ksymtab_iscsi_conn_setup
>
> So I think that I should fix that 4184140d and change it to a884cb50
>
> When you use Open-iSCSI... how do u fix the versions? Is there any script
> or something like that?
>
> Thanks.
>
>> Hi,
>>
>> I need some help to get Open-iSCSI working. I have installed Xen in a
>> Debian Etch system (xen-linux-system-2.6.18-4-xen-686 package).
>>
>> I downloaded open-iscsi-2.0-754.tar.gz and did make and make install.
>>
>> When I start the iscsid service the iscsi_tcp kernel module loads, but
>> the
>> ib_iser kernel module fails and I got these messages with dmesg:
>>
>> ib_iser: disagrees about version of symbol iscsi_conn_setup
>> ib_iser: Unknown symbol iscsi_conn_setup
>> ib_iser: disagrees about version of symbol iscsi_verify_itt
>> ib_iser: Unknown symbol iscsi_verify_itt
>>
>> ... and so on.
>>
>> I have used open-iscsi before and it's the first time that i get this
>> error messages... is it something wrong with the 2.6.18-4 ??? Any idea
>> to
>> solve this?
>>
>> Thanks.
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-users
>>
>
>
> Un saludote.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>


Un saludote.

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