[stgt] what do these abort_cmd(1324) and abort_task_set(1348) messages in the logs mean?

[Jelle de Jong]

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Dear FUJITA,

On 09/07/14 16:16, FUJITA Tomonori wrote:
> On Wed, 09 Jul 2014 16:15:42 +0200 Jelle de Jong
> <jelledejong at powercraft.nl> wrote:
> 
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>> Dear FUJITA,
>> 
>> On 27/06/14 13:57, FUJITA Tomonori wrote:
>>> On Tue, 17 Jun 2014 12:24:07 +0200 Jelle de Jong 
>>> <jelledejong at powercraft.nl> wrote:
>>> 
>>>> What do these tgtd messages mean? Is something wrong? Why
>>>> are they there?
>>>> 
>>>> http://paste.debian.net/105427/
>>> 
>>> A SCSI command was aborted for some reason (e.g. the time-out
>>> of a SCSI command due to the overloaded iscsi target).
>>> 
>>> The cricial bug about this was fixed in 1.0.48. I would
>>> recommend you to update tgt if you use the older version.
>> 
>> I upgraded to version 1.0.48 about a week ago for further
>> testing, I also added a complete new network path, with new
>> network cards and direct connections, but I keep getting these
>> same errors:
>> 
>> http://paste.debian.net/108884/
>> 
>> Is this a bug in tgtd? Is there some tgtd option or environment 
>> variable that I can set to get more information.
> 
> It's not a bug. It's just a message tells that SCSI command
> time-out happens for some reasons.

Can you help me with some more information to solve the problems?

Is this SCSI command time-out something that happened on the target
server with the storage, my storage is having a hard time with high
latencies, but I am not having any hardware warnings/errors. Or is
this related to the iSCSI client servers as well?

I am using open-iscsi as client:

http://paste.debian.net/108898/

These are my node records and settings, is there a setting I should
try to change or optimise for tgtd?

Kind regards,

Jelle de Jong
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