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SAS Drive Activity/power LED help!!

Frequent Advisor

SAS Drive Activity/power LED help!!

Ive got a Proliant G6 with a P411 SAS card connected to an LSI 620J storage enclosure and 15 and 10K seagate Savvios.

Some of the drives show a continous power LED and flash when accessed, and the others have the LED off, but also flashed when accessed.

So some drives sit there with the activity LED off, while some of them have the LED on by default.

THIS post here, someone manages to set the SAS 19h Mode page ready LED here:-




Which is great, but how would I do that with a Smart Array Controller?

You can only "see" the drives when a logical disk is created. How can I send this HDPARM command directly to the disk hardware?

If anyone knows I would be soooooo grateful.




Esteemed Contributor

Re: SAS Drive Activity/power LED help!!

Not seen any way to change the LED behaviour.


Below link has various LED status explained on disks connected to HP Smart array controller




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