How does readahead(2) affects a iscsi device

2009-07-03 Thread Maddin

Hi folks,

Sorry but not so firm in kernel hacking and structures, but if I've
understood this correctly it should perform normally?!
The problem is that I do a readahead (the tool) on a iscsi device with
infortrend iscsi san as backend to warm up caches and my connection died,
correctly the whole controller died and have to be reseted.

Has anyone an idea?

Cheers
Maddin





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fwparam_ibft and IPv6 support

2009-07-03 Thread Shyam_Iyer

I see that a couple of ways are being used to get the ibft data from
memory -

1) iscsiadm -m fw
Which relies on /sys/firmware/ibft/* files to create the record
and thus login.
2) fwparam_ibft -b
This relies on opening /dev/mem and getting all the parameters
and thus login 

I am seeing a few problems/discrepancies with the fwparam_ibft tool - 

1) It is not able to fetch the chap info
2) It lacks IPv6 support.

I believe open-suse and sles are some of the distros using this tool.
Not sure of debian/ubuntu and others.

Hannes - Do you have already fixed patches for these in your suse tree ?


-Shyam Iyer

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