[OpenIndiana-discuss] secure erase - confusion

[jason matthews]

Perhap Intel has implemented the security option as cell erasure on the 
SSDs. That might make more sense.

Thoughts?

j.

On 6/25/15 10:24 AM, jason matthews wrote:
>
> I would like to know if:
>
> sg_format -S aka sg_format --security is equivalent to the famed 
> "secure erase" ATA command that will trigger the erasure of cells on 
> an SSD.
>
>
> In looking at Intels data center tool for SSDs they describe erase as:
>
>      Erase all the data on the drive by issuing a SCSI Format Unit 
> command.
>
> If it is infact a  scsi format unit command shouldnt I be able to 
> secure erase with sg_format or perhaps even format. I was under the 
> impression secure erase was some ATA command for which we currently 
> have no equivalent tool (eg. hdparm)  in the solaris ecosystem.
>
> Can anyone clarify this for me? Will sg_foramt do the job or am I 
> getting a wrong read on the documentation?
>
>
> thanks,
> j.
>
>
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