[Lustre-discuss] Selection of kernel options for the distributed Lustre kernels
Arne Wiebalck
arne.wiebalck at cern.ch
Mon Jul 20 08:50:18 PDT 2009
Hi Brian,
> We try to stick as closely as we can to the vendor's selected options.
That's what I thought :)
>> I'm asking as (if I am not mistaken and amongst other things)
>> iSCSI for instance is enabled for a standard RHEL5 kernel, while
>> it is disabled for the RHEL5 Lustre kernel.
>
> So I can follow up on this, can I ask how you are determining this?
The Lustre kernel:
-->
[root~]# grep -i iscsi /boot/config-2.6.18-128.1.6.el5_lustre.1.8.0.1smp
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_ISCSI_TCP is not set
# CONFIG_SCSI_QLA_ISCSI is not set
# CONFIG_ISCSI_IBFT_FIND is not set
<--
and (what I believe to be) a standard RHE5 kernel:
-->
[root~]# grep -i iscsi /boot/config-2.6.18-128.el5
CONFIG_SCSI_ISCSI_ATTRS=m
CONFIG_ISCSI_TCP=m
CONFIG_SCSI_QLA_ISCSI=m
CONFIG_ISCSI_IBFT_FIND=y
CONFIG_ISCSI_IBFT=m
<--
> Which Lustre release and kernel are you referencing?
lustre 1.8.0.1, RHEL 5, x86_64
Please note that I am not 100% sure that the standard RedHat config
has that enabled. But in case you confirm this one, I have some more
discrepancies ;-)
Thanks for looking into this,
Arne
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