dtrace discuss - Jun 2010 - ISCSI provider does not work on build134

Hi,

I tried to run iscsi provider on X86 server/w OpenSolaris build_134, got the
following error:

root at ucslab01:/var# dtrace -n ''iscsi*::: { @[args[0]->ci_remote]
= count(); }''
[u]dtrace: invalid probe specifier iscsi*::: { @[args[0]->ci_remote] =
count(); }: in action list: failed to resolve native type for args[0][/u]

Looks like the data structure of the argument was changed. Anybody knows how to
find out the exact data strucuture and argument type in source code? (which file
should I look into)?

Regards,
Autumn Wang.

Regards,
Autumn Wang.
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This message posted from opensolaris.org

I have tested this on both snv_120 and snv_140 and it is working for  
me, exactly the way you spelled it.   So I suspect some difference in  
what is loaded on your system and what is loaded on mine.

Could you investigate the contents of /usr/lib/dtrace?  On my snv_120  
system I have both iscsi.d and iscsit.d in that directory.  In the  
snv_140 system, I have just iscsit.d.

Which version of the iSCSI target do you have loaded (iscsitgt or  
iscsit)?

The iscsitgt (iSCSI target daemon) was removed in build 136, so that  
should not be your problem here.   But if the iscsit package is not  
yet loaded, could you try loading it and try again?

Peter


On Jun 24, 2010, at 12:01 AM, autumn Wang wrote:
> dtrace -n ''iscsi*::: { @[args[0]->ci_remote] = count();
}''

Thanks Peter,

After installing iscsit package, it works now.

Regards,
Autumn Wang.
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This message posted from opensolaris.org