Re: Sg_ses question

[Douglas Gilbert <dougg@torque.net>]

Haefliger, Juerg wrote:
> Hi,
> 
> Not sure if this is the right list for my question but I couldn't find a
> more suitable place to ask it.
> 
> I'm trying to set the locator light of a disk in a SAS enclosure using
> sg_ses but I'm not getting anywhere. I'm dumping the enclosure status
> diagnostic page using 'sg_ses --page=2 --raw /dev/sgXX > page' and then
> set the SELECT and RQST IDENT bits of the array device element in
> question and write it back doing 'sg_ses --control --page=2 --data=-
> /dev/sgXX < tmp'. The command completes without error but unfortunately,
> nothing happens. When I read the page back, the IDENT bit is still
> cleared and the light on the enclosure remains turned off.
> 
> Am I doing something wrong or am I missing something? Can't I use sg_ses
> to achieve this?

The procedure looks correct. I haven't had any (other)
reports of sg_ses not working lately. The only suggestion
I can make is to ask if you have selected the element
control rather than the overall control.

Doug Gilbert