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breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
Setup
iMac Late 2015 with macOS Monteray Old External HDD: WDT-D3C(B) 2TB USB 2.0 (2TB Wester Digital USB2.0) with filesystem Mac OS Extended (Journaled)

Problem
I'm transferering roughly 1100 files (600GB) from an older HDD to a newer USB 3.0 4tb HDD and I'm getting absolutely horrible speeds. It says it will take 24 days for it to finish. Can't be right. Tried transferring directly to internal HDD instead of to the new external and there is no difference. Tried different USB ports, no difference. Transfering stuff from internal HDD to the new external HDD seems just fine

Questions
Is there software to measure speed from the HDD, maybe the USB ports? Is the old HDD broken? Should I update some firmware/software or anything else? What can the problem be? What can I do to fix this?

Thanks
 

chabig

macrumors G4
Sep 6, 2002
11,348
9,046
You're right. 24 days would be terrible. But let it continue, and the estimate will likely decrease. Don't expect to transfer 600GB in 20 minutes though. I would not be surprised if it took a day.
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
You're right. 24 days would be terrible. But let it continue, and the estimate will likely decrease. Don't expect to transfer 600GB in 20 minutes though. I would not be surprised if it took a day.
I transferred around 300gb the same way. It took 4 days.
 

chabig

macrumors G4
Sep 6, 2002
11,348
9,046
It has been awhile since I transferred that much, but I remember it taking a few days too. The 24 day estimate you're seeing should decrease. I think those estimates are hard to get right.
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
I used a calculator for speeds I found on the web it says it should take 3-4 hours. That’s optimal conditions I’m assuming, but even if just takes a day I’m happy.
 

Mike Boreham

macrumors 68040
Aug 10, 2006
3,819
1,838
UK
3-4 hrs sounds like USB 3 speed. If the old HDD really is USB 2 as you say, it will take a lot longer.
If the old HDD is actually USB 3, are you using a USB 3 cable.
Feels like a very long time ago that HDDs were USB 2.
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
3-4 hrs sounds like USB 3 speed. If the old HDD really is USB 2 as you say, it will take a lot longer.
If the old HDD is actually USB 3, are you using a USB 3 cable.
Feels like a very long time ago that HDDs were USB 2.
From systeminformation (in Swedish though)
This: Hastighet: Upp till 480 Mbit/

That's USB 2.0 right?



Ext HDD 1021:

Produkt-ID: 0x1021


Tillverkar-ID: 0x1058 (Western Digital Technologies, Inc.)


Version: 20.02


Serienummer: 5743415A4132393830303332


Hastighet: Upp till 480 Mbit/s


Tillverkare: Western Digital


Plats-ID: 0x14600000 / 6


Tillgänglig ström (mA): 500


Nödvändig ström (mA): 2


Extra arbetsström (mA): 0


Media:


Ext HDD 1021:


Kapacitet: 2 TB (2 000 396 746 752 byte)



Borttagbart medium: Nej


BSD-namn: disk4


Logical Unit: 0


Typ av partitionskarta: Huvudstartpost (MBR)


S.M.A.R.T.-status: Kontrollerad


USB Interface: 0


Volymer:


Media:


Kapacitet: 2 TB (2 000 395 698 176 byte)


Ledigt: 1,4 TB (1 395 382 263 808 byte)


Skrivbar: Ja


Filsystem: Journalförd HFS+


BSD-namn: disk4s1


Inlänkningsplats: /Volumes/Media


Innehåll: Apple_HFS


Volymens UUID: CF14A64E-3564-31F4-98D3-5FD2EEFD182E



I also did a Disk Utility test and found a problem... this, also in Swedish
Kör Skivkontroll på ”Media” (disk4s1)

Kontrollerar och reparerar filsystemet ifall det behövs och är möjligt.
Volymen är redan avlänkad.
Utför fsck_hfs -fy -x /dev/rdisk4s1
Kontrollerar journalförd HFS Plus-volym.
Kontrollerar filen extents overflow.
Kontrollerar katalogfil.
Kontrollerar filer med flera länkar.
Kontrollerar kataloghierarki.
Kontrollerar filen med utökade attribut.
Ogiltig nodstruktur - Invalid Nodestructure
Volymen Media kunde inte kontrolleras fullständigt. - The Volumen Media could not be controlled completely
Avslutningskoden för filsystemkontrollen är 8.
Återskapar det ursprungliga läget som avlänkad.
Kontroll eller reparation av filsystemet misslyckades. : (-69845)

Åtgärden misslyckades…
 
Last edited:

Fishrrman

macrumors Penryn
Feb 20, 2009
28,755
12,863
Just some thoughts...

Stop the current transfer.
Then, try transferring SMALLER AMOUNTS of data.
Perhaps 50 files "at a time".

Swap out the USB3 cable (with the "blue tips", if you are using any), for USB2 cables. I know this "sounds illogical", but try it anyway.

WHAT FORMAT is "the target drive" in?
If it's going to be a "data only" drive (not bootable), I'd suggest HFS+ as the format to use (instead of APFS). Particularly if it's a platter-based hard drive.
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
Just some thoughts...

Stop the current transfer.
Then, try transferring SMALLER AMOUNTS of data.
Perhaps 50 files "at a time".

Swap out the USB3 cable (with the "blue tips", if you are using any), for USB2 cables. I know this "sounds illogical", but try it anyway.
Gonna try this.
Think the cable I'm using its the one that came with the HDD, but Ill switch it out if I have another
 

JLB7

macrumors newbie
Feb 27, 2022
1
2
 

MauiPa

macrumors 68040
Apr 18, 2018
3,435
5,085
Bad hard drive? I transfer 300 GB to an he’s in a little over an hour. Transfer between hdds in about the same on my M1 MBP. ALL HDDS are USB 3+

Troubleshooting for you:
  • Bad Hdd
  • Bad cable
  • Older Usb
  • Outdated firmware on drive
  • You loaded WD crap ware ( or drive manufacturers equivalent) on Mac. Don’t, literally, WD crap ware literally rendered 2 drives unreadable- had to recover drives, lost data
  • Insufficient power for drive - wrong power adapter or using a hub without supplying power
Good luck
 

Mike Boreham

macrumors 68040
Aug 10, 2006
3,819
1,838
UK
From systeminformation (in Swedish though)
This: Hastighet: Upp till 480 Mbit/

That's USB 2.0 right?



Ext HDD 1021:

Produkt-ID: 0x1021


Tillverkar-ID: 0x1058 (Western Digital Technologies, Inc.)


Version: 20.02


Serienummer: 5743415A4132393830303332


Hastighet: Upp till 480 Mbit/s


Tillverkare: Western Digital


Plats-ID: 0x14600000 / 6


Tillgänglig ström (mA): 500


Nödvändig ström (mA): 2


Extra arbetsström (mA): 0


Media:


Ext HDD 1021:


Kapacitet: 2 TB (2 000 396 746 752 byte)



Borttagbart medium: Nej


BSD-namn: disk4


Logical Unit: 0


Typ av partitionskarta: Huvudstartpost (MBR)


S.M.A.R.T.-status: Kontrollerad


USB Interface: 0


Volymer:


Media:


Kapacitet: 2 TB (2 000 395 698 176 byte)


Ledigt: 1,4 TB (1 395 382 263 808 byte)


Skrivbar: Ja


Filsystem: Journalförd HFS+


BSD-namn: disk4s1


Inlänkningsplats: /Volumes/Media


Innehåll: Apple_HFS


Volymens UUID: CF14A64E-3564-31F4-98D3-5FD2EEFD182E



I also did a Disk Utility test and found a problem... this, also in Swedish
Kör Skivkontroll på ”Media” (disk4s1)

Kontrollerar och reparerar filsystemet ifall det behövs och är möjligt.
Volymen är redan avlänkad.
Utför fsck_hfs -fy -x /dev/rdisk4s1
Kontrollerar journalförd HFS Plus-volym.
Kontrollerar filen extents overflow.
Kontrollerar katalogfil.
Kontrollerar filer med flera länkar.
Kontrollerar kataloghierarki.
Kontrollerar filen med utökade attribut.
Ogiltig nodstruktur - Invalid Nodestructure
Volymen Media kunde inte kontrolleras fullständigt. - The Volumen Media could not be controlled completely
Avslutningskoden för filsystemkontrollen är 8.
Återskapar det ursprungliga läget som avlänkad.
Kontroll eller reparation av filsystemet misslyckades. : (-69845)

Åtgärden misslyckades…
Yes that's USB 2. My memory of USB2 drives is that 25MB/s real world transfer was not unusual. But even that should mean 600GB in 6.7 hours. So something else is going on. I would definitely try a different cable.

I have not seen that Disk Utility message before. I assume DU didn't repair it. As it is HFS, third party apps like Diskwarrior would attempt repair, but my instinct would be to try and transfer as it is, first.
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
Bad hard drive? I transfer 300 GB to an he’s in a little over an hour. Transfer between hdds in about the same on my M1 MBP. ALL HDDS are USB 3+

Troubleshooting for you:
  • Bad Hdd
  • Bad cable
  • Older Usb
  • Outdated firmware on drive
  • You loaded WD crap ware ( or drive manufacturers equivalent) on Mac. Don’t, literally, WD crap ware literally rendered 2 drives unreadable- had to recover drives, lost data
  • Insufficient power for drive - wrong power adapter or using a hub without supplying power
Good luck
Thanks, will try to troubleshoot a bit and see what I can come up with.
No WD crapware, It has power, Tried different cable,
 

breather

macrumors 6502
Original poster
Jan 26, 2011
430
1,747
Sweden
Yes that's USB 2. My memory of USB2 drives is that 25MB/s real world transfer was not unusual. But even that should mean 600GB in 6.7 hours. So something else is going on. I would definitely try a different cable.

I have not seen that Disk Utility message before. I assume DU didn't repair it. As it is HFS, third party apps like Diskwarrior would attempt repair, but my instinct would be to try and transfer as it is, first.
Tried a different cable, no change.
Did a new disk utility test and got no error.

my guess is that WD has made a crap HDD and it’s on the verge of breaking.
 

profcutter

macrumors 68000
Mar 28, 2019
1,514
1,230
In the old days, I never had good luck with Western Digital, but now they own most of their hard drive competitors, so it’s harder to choose a reliable brand. I second the idea of doing batches, maybe 50G at a time. Do it quickly if you’re really worried about drive failure.
 

Analog Kid

macrumors G3
Mar 4, 2003
9,119
11,980
I was going to mention Blackmagic, but it looks like someone has.

The transfer completion estimates are based on average transfer times up to the moment. Small files take longer than big files, so if there are a lot of small files at the beginning of the transfer it will make the times look really bad in the beginning but they might improve later.

In some cases I’ve had better luck copying from the command line than through Finder. Depending on what you’re doing, there might be a preferred option:

That said, my first timemachine backup to an external drive from Monterey took much, much longer than I think it should have so it’s not impossible there’s a problem with the OS.
 

Realityck

macrumors G4
Nov 9, 2015
10,706
16,102
Silicon Valley, CA
Setup
iMac Late 2015 with macOS Monteray Old External HDD: WDT-D3C(B) 2TB USB 2.0 (2TB Wester Digital USB2.0) with filesystem Mac OS Extended (Journaled)

Problem
I'm transferering roughly 1100 files (600GB) from an older HDD to a newer USB 3.0 4tb HDD and I'm getting absolutely horrible speeds. It says it will take 24 days for it to finish. Can't be right. Tried transferring directly to internal HDD instead of to the new external and there is no difference. Tried different USB ports, no difference. Transfering stuff from internal HDD to the new external HDD seems just fine

Questions
Is there software to measure speed from the HDD, maybe the USB ports? Is the old HDD broken? Should I update some firmware/software or anything else? What can the problem be? What can I do to fix this?

Thanks
Usually a HDD is about 115 to 130 Mbps transfer.
use this calculator
600 GB with 115 Mbps transfer takes 13 hours, 3 minutes, 34 seconds.

If you used a USB 3 SSD 1TB drive you still have the issue that 2015 iMac USB ports aren't 10 Gbps like USB-C ports on the 2017 model. USB 3.0 (also known as SuperSpeed USB)on your iMac has a maximum bandwidth rate of 5 gbps (gigabits per second). That translates to 640 MBps (megabytes per second) tops.

Most of the tests shows at best 500 Mbps with external SSD. Thats still faster than HDD to HDD. Could say you at that point a newer Mac with USB-C ports could add some years to your life with external SSD to your internal SSD at about 1000 Mbps. NVme SSD could do 2 or 3 times faster.
 
Last edited:

lostless

macrumors 6502
Oct 22, 2005
487
102
also USB is terrible at transferring a lot of tiny files (in the KB and low MB range). It has to pause and start the new file transfer for each file. It happens in the background. Even a gig can take a long time if its made up of very small files.
 

BaggieBoy

macrumors 6502a
May 29, 2012
658
349
UK
When I was trying to get the fastest possible external HDD I used the Blackmagic Disk Speed Test app.
 
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