[dm-devel] Re: Running open-iscsi with device mapper hangs

[Erez Zilber]

Mike Christie wrote:

>Erez Zilber wrote:
>  
>
>>Mike Christie wrote:
>>
>>    
>>
>>>Erez Zilber wrote:
>>> 
>>>
>>>      
>>>
>>>>Hi,
>>>>
>>>>I'm trying to run open-iscsi with the multipath tool. I was able to 
>>>>create a scenario in which the initiator machine hangs:
>>>>
>>>>My initiator runs on a SLES 10 beta 8 machine. The db contains 2 targets:
>>>>iscsiadm -m node
>>>>[83347a] 192.168.10.106:3260,1 iqn.2005-12.com.voltaire.206000C0FF07C1D1
>>>>[030479] 192.168.10.105:3260,1 iqn.2005-12.com.voltaire.206000C0FF07C1D1
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>are you using the iscsi initiator in a SLES kernel, a mainline kernel or
>>>svn or a open-iscsi.org tarball?
>>>
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>>>dm-devel at redhat.com
>>>https://www.redhat.com/mailman/listinfo/dm-devel
>>> 
>>>
>>>      
>>>
>>I'm using the initiator that comes with the SLES kernel 
>>(2.6.16-rc6-git1-4-smp). We applied 3 patches that are located in 
>>https://openib.org/svn/gen2/branches/backport/sles10/:
>>iscsi-04-libiscsi.patch
>>iscsi-05-convert-tcp.patch
>>iscsi-06-transport-ep-cb.patch
>>
>>The userspace part is r560.
>>
>>Do you prefer that I try to run it with a different open-iscsi version?
>>
>>    
>>
>
>Maybe. Do those patches have any of the later fixes PatM found? Look at
>r543, 544, 545. Without them you can hit some lockups or oops.
>
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>  
>
I'm now running with r545 and I don't see this behavior anymore.

Hannes - do you know when will there be an update for SLES 10 with those 
fixes ?

-- 

____________________________________________________________

Erez Zilber   |  972-9-971-7689

Software Engineer, Storage Team

Voltaire – _The Grid Backbone_

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 www.voltaire.com <http://www.voltaire.com/>