Can Thunderbolt pass ATA commands to attached HDDs?

0004838

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Original poster
Oct 1, 2014
194
63
Hi,

Does anyone know if a SATA drive connected via an eSATA adapter to a Thunderbolt port can successfully receive and act upon ATA commands? So: SATA -> eSATA -> Thunderbolt -> MacBook Pro.

I'm primarily thinking of using the Sanitize Device command.
 

killawat

macrumors 65816
Sep 11, 2014
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I was never able to find a way to do secure erase while in OS X but was able to do it easily using the (paid, $10) parted magic bootable, but that was to secure_erase the internal disks, no externals.

I want to say that it should work but haven't tried personally. are you able to boot from your esata drives?
 

iMacDragon

macrumors 68000
Oct 18, 2008
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UK
thunderbolt esata should be a fully native sata interface as far as the system is concerned, so yes, it should..
 

0004838

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Original poster
Oct 1, 2014
194
63
Thanks for the replies, guys. When I get a chance I'll set the whole thing up and give it a bash.

are you able to boot from your esata drives?
Good question. I know from testing that booting from USB 3 over the same adapter doesn't work, but I didn't try eSATA. Actually, I'm not sure I have any boot drives that I could test that scenario out on. But you've piqued my interest now…