Re: LSI SAS2008 SATA TRIM not working

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On Fri, 2014-02-07 at 20:24 -0500, Martin K. Petersen wrote:
> >>>>> "Kurt" == Kurt Miller <kurt@xxxxxxxxxxxxxxxxxxxxx> writes:
> 
> Kurt> #  hdparm -I /dev/sdc
> 
> [...]
> 
> I don't see any deterministic read after trim/read zero after trim
> support on your drive. And I have a sneaking suspicion that those are
> two of the fields that the LSI firmware looks at when deciding whether
> to support logical block provisioning (in addition to support for the
> DSM TRIM command).
> 

I wonder how to bring this issue to LSI's attention? My cross flashed
used controllers are out of support with LSI so I don't think I can get
them to listen to me.

>From a pricing perspective the Samsung 840 Pro looks interesting and is
on LSI's supported list. Does anyone have one of these around and can
check for deterministic read after trim? (hdparm -I /dev/sdc | grep
TRIM).

Thanks,
-Kurt

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