Greetings,
I'm beating my head against the desk trying to use sg_ses to change the
cooling control element requested speed code for a fan connected to an
LSI SAS2X36 SAS expander.
I have tried the raw->edit<-raw method and tried the
--data/--index/--control method and neither seems to work.
Polling status for the cooling element (--index=26) gets me:
Element 26 descriptor:
Predicted failure=0, Disabled=0, Swap=0, status: OK
Ident=0, Hot swap=0, Fail=0, Requested on=1, Off=0
Actual speed=4920 rpm, Fan at lowest speed
Issuing the following command doesn't change the rpm speed:
'sg_ses --page=0x2 /dev/sg1 --index=26 --control --data=70,00,00,27'
Per the SES spec that string should select "Fan at highest speed".
I have also tried taking the raw output, editing the bytes for the
element and sending it back and it also does nothing. The sg_ses command
succeeds but there are no intended results.
Am I using the command syntax correctly? I want to be sure before I go
after the vendor for improper support of the SES specification.
Thanks!
--Jeff
--
------------------------------
Jeff Johnson
Co-Founder
Aeon Computing, Inc
High-performance computing / Lustre filesystems
jeff.johnson@xxxxxxxxxxxxxxxxx
www.aeoncomputing.com
t: 858-412-3810 x101 f: 858-412-3845
4170 Morena Boulevard, Suite D - San Diego, CA 92117
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