16T drive not mounting on USBC Dual Dock Bay (Mac)
May 16, 2022 10:45 AM   Subscribe

Work has sent me two separate 16T drives and neither of them with mount in my dock bay. I've even tried them in a different drive enclosure, different ports. different cables, different computers. Nothing. But the weird thing is other 16T drives will mount. What gives? The ones that won't mount, won't show up in disk utility either. Am I doing something wrong? It just seems really odd that two drives in a row would fail like that.

I'm running Monterey on a new macstudio and the dock is a Sabrent rated for 16T.

Any suggestions or softare that might assist.

Totally frustrated. Please help.
posted by captainscared to Computers & Internet (8 answers total)
Does the dock support Power Disable?
posted by zamboni at 10:52 AM on May 16, 2022

Response by poster: Zamboni, What should I be looking for on the drive to see if has the PWDIS Feature? Thanks.
posted by captainscared at 11:02 AM on May 16, 2022

SAS or SATA drives/dock?
posted by k3ninho at 11:16 AM on May 16, 2022

Work has sent me...

I would encourage you not to take responsibility for this. "Work" sent you some useless devices. Unless you work as a Mac engineer, they should have sent you devices that just plug in and do the intended functions. "Work's" IT people should be helping you with this by phone or video, not random strangers.
posted by JimN2TAW at 11:24 AM on May 16, 2022 [10 favorites]

What should I be looking for on the drive to see if has the PWDIS Feature?

I don't think there's anything specific to look for on the drive itself, although if it says SATA rev 3.3 (or later) would mean it's possible it has PWDIS, given that's when it was added as an option. Searching for <manufacturer> <part number> PWDIS power disable is probably easiest.
posted by zamboni at 11:24 AM on May 16, 2022

You're sure the dock is rated for 16TB? You've successfully used it with a 16TB drive before? The docks can be really handy but they often have some strange limitations. I have an older one (Sabrent brand actually) that only supports up to 5TB.

Lots of the ones listed on Sabrent's site only support up to either 8TB or 10TB, when they even bother mentioning a limit.

(in my experience if the drive is too big the behavior is what you're getting -- the drive simply won't show up at all. the issue is with the dock's firmware, not your Mac.)
posted by neckro23 at 11:56 AM on May 16, 2022

But the weird thing is other 16T drives will mount.

I took this to mean that other 16TB drives do work with the same dock.
posted by zamboni at 12:06 PM on May 16, 2022

Response by poster: Other 16T do wok on it. Is it possible to ruin a drive by putting it in to a doc with lower capacity? Could that have happened?
posted by captainscared at 4:58 AM on May 17, 2022

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