Temperature sensor on SCSI disks (IBM / Hitachi)

Bernd Walter ticso at cicely12.cicely.de
Wed Mar 29 21:30:27 UTC 2006


On Wed, Mar 29, 2006 at 09:01:29AM -0700, Kenneth D. Merry wrote:
> On Wed, Mar 29, 2006 at 15:49:43 +0200, Oliver Fromme wrote:
> > Hi,
> > 
> > I have the following SCSI disks in a server:
> > 
> > <IBM DDYS-T18350M S96H>   at scbus0 target 0 lun 0 (pass0,da0)
> > <IBM DDYS-T18350M S96H>   at scbus0 target 1 lun 0 (pass1,da1)
> > 
> > Searching the mailing lists revealed that IBM SCSI disks
> > (Hitachi nowadays) have a temperature sensor that can be
> > queried with a special (prioprietary) command like this:
> > 
> > camcontrol cmd -n da -u 0 -c "4D 0 76 0 0 0 0 0 20 0" -i 32 "s9 i1"
> > 
> > However, I get:  "camcontrol: error sending command".
> > 
> > Any advice?  (I'm using 4-stable, BTW.)
> 
> Use the -v flag for camcontrol to print sense information.  That should
> tell you what the drive is complaining about.

So far I'm only aware of DGHS drives to support reading temperatures.

-- 
B.Walter                http://www.bwct.de      http://www.fizon.de
bernd at bwct.de           info at bwct.de            support at fizon.de


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