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bigpoppa

macrumors regular
Mar 23, 2005
222
213
Seattle, WA USA
Well here's an interesting development. I have a Highpoint R1104 PCIe card in the x16 slot (slot 2) of a Mac Pro 5,1, with 4 x 4TB NVMe blades installed in it. And guess what? On warm restart the blades do not mount (and nothing in diskutil list). For them to show up I have to do a full shutdown and cold restart...
Exactly the problem I’m having with a large capacity Toshiba drive. Only shows up on a cold boot. Frustrating but not impossible to live with.
 

Frixo Cool

macrumors regular
Jun 10, 2004
120
25
Croatia
Exactly the problem I’m having with a large capacity Toshiba drive. Only shows up on a cold boot. Frustrating but not impossible to live with.
What is your Toshiba model? I have two Toshiba drives, 8 TB and now 10 TB, and they both work on warm boot.
 

TzunamiOSX

macrumors 65816
Oct 4, 2009
1,012
411
Germany
Any experience lately with Western Digital drives? WD Red, Red Plus and Red Pro NAS HDD series?
All my around 10 WD Drives have warm boot problems. WD Gold over Black to RED (Pro).


My 1-Year-old TOSHIBA MG07ACA14TE work all the time. On Christmas, I replace the WD GOLD 6TB with my second TOSHIBA, a MG07ACA12TE.
 
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TzunamiOSX

macrumors 65816
Oct 4, 2009
1,012
411
Germany
@Frixo Cool could i ask you which sled do you mean? could it be such one
http ://eshop.macsales.com/item/OWC/DIYMP9S3E250/
I think he mean the left one. I'm ready to change my drive. ;)
IMG_2458.jpg


 
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Frixo Cool

macrumors regular
Jun 10, 2004
120
25
Croatia
Guys, I have some great news! :) WD Red (not Red Pro!) 3.5" 6 TB series WDC WD60EFAX works great! It has an old mounting hole pattern and it works on warm boot. Great choice for 5,1 users! Enjoy! :)

 

slamjack

macrumors member
Jul 22, 2011
69
13
Moscow
Strange, strange behaviour:
I want to install Seagate EXOS X12 ST1200NM0127 12TB — got these drives, as this series were told not having Power Disable problem (3rd pin) and surviving reboots. But i can get these drives recognised only when they are connected via sata cables in optical bay. Normal 4 SATA tray ports seem not to power drives up. Trying to cover 3rd pin - no luck.

Sata tray ports work fine with 4 old HDDs.
 

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slamjack

macrumors member
Jul 22, 2011
69
13
Moscow
addition (now i completely discouraged):

Seagate EXOS X12 ST1200NM0127 12TB is normally detected in 1st left sata tray port, without any pins coverage, surviving warm reboot. How is it possible? Is there any difference between sata ports?
 

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h9826790

macrumors P6
Apr 3, 2014
16,614
8,546
Hong Kong
addition (now i completely discouraged):

Seagate EXOS X12 ST1200NM0127 12TB is normally detected in 1st left sata tray port, without any pins coverage, surviving warm reboot. How is it possible? Is there any difference between sata ports?
Not necessary different on spec, but may be the slightly timing / latency difference make the bug disappear.

The HDD may able to work flawlessly in that condition. Then one day suddenly won't show up after warm reboot again.
 

slamjack

macrumors member
Jul 22, 2011
69
13
Moscow
Not necessary different on spec, but may be the slightly timing / latency difference make the bug disappear.

The HDD may able to work flawlessly in that condition. Then one day suddenly won't show up after warm reboot again.
Do you think it is a bug? Should i try NVRAM reset maybe?
 

mikas

macrumors 6502a
Sep 14, 2017
888
645
Finland
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MacGarage

macrumors regular
Jun 18, 2017
188
85
Ohio
How did you conclude about this?

I can't seem to find any evidence in favor of that conclusion, but only on the contrary. Other than googling pics and specs, there seems to be no obvious way to find out but to go and buy the product.

View attachment 2352149
Thanks. That’s exactly what I was looking for (I had surgery this week, so I have limited capabilities right now).
 
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macoda

macrumors newbie
Jan 11, 2020
15
6
I've got an ex-data centre Western Digital Ultrastar 12TB DC HC520 bought from Amazon in an OWC sled running fine with no issues other than it doesn't appear after a warm restart. DriveDx reporting ~400TB written to it over 48 months, with an 'Average' health rating of ~54%, which for the money I paid for it is fine by me. The MTBF on these drives is more than enough to keep me in the comfort zone, especially with read/write speeds ~255MB/s.
 

MacGarage

macrumors regular
Jun 18, 2017
188
85
Ohio
Thanks. That’s exactly what I was looking for (I had surgery this week, so I have limited capabilities right now).
The Seagate ST6000NM0115 6TB worked for me as a Time Machine drive.

It fit in the original 2010 cMP sled.

I paid $99:
 

mikas

macrumors 6502a
Sep 14, 2017
888
645
Finland
I have to take it back. There apparently seems to be, or seems to have been, versions with old scheme screw positions too available.
I stumbled on a local sale of the kind, this is supposed to be a Seagate Barracuda 8TB ST8000DM004, front side and back side:
ST8000DM004.jpg
ST8000DM004_back.jpg
 
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Sean__Wong

macrumors member
Oct 17, 2018
71
26
These HDDs are detected only by optical bay SATAs and first tray Sata. Investigating further…
These work fine on unnlodified cMP5,1
Exos 16TB
ST16000NM001G
I have 4 running in disk bays 1-2-3-4
No problems to report
 

amarmot

macrumors member
Jul 1, 2009
63
7
Seattle
I’ve slowly migrated the big HDDs to usb3 (since they are no longer used for fast reads), repurposing the bays for SSDs. Time Machine backups to external HDD seems less laggy anyway…
 
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