[kwlug-disc] Don't do what I did...

William Park opengeometry at yahoo.ca
Mon Mar 1 21:22:07 EST 2021


I don't understand what you did, though.  I thought it's the driver/OS 
which decides if it's 32bit or 64bit, and not the hardware.  Or, is it 
USB2 vs USB3 issue?
--William

On 3/1/21 7:12 PM, CrankyOldBugger wrote:
> So I have been (very slowly) wiping all of my old, unused hard drives so 
> that they would be ready for whatever may come in the future.
> 
> To do this, I was using "nwipe", which is a Linux equivalent of the old 
> Derick's Boot and Nuke (DBAN).  It is a very simple program.
> 
> Hardware-wise I was running the nwipe on a Raspberry Pi 4, with a USB 
> toaster drive bay device.  I've had this toaster for quite some time now.
> 
> I found that this setup works well as the Raspi isn't my main driver so 
> it can run in the background, and I only needed to occasionally look at 
> it over a KVM switch.  I've managed to go through a dozen drives so far 
> with no issues.  But then I started running into issues where my 3TB and 
> 4TB drives were reading at 2TB.  I thought maybe it was a limitation of 
> the Raspi.  After much duckduckduckgo'ing, I finally figured out (to my 
> embarrassment)  that my toaster is only 32 bit, thus a 2TB limit.
> 
> I went on Amazon and picked up a newer (USB3 as well) toaster and sure 
> enough, the larger drives were reading at their correct size.  Plus, 
> with the older USB2 toaster, I was getting a max of 30MB/s transfer; the 
> newer toaster gets me 80-90 MB/s.  So now the 4TB drives only take 3 
> days instead of a week or so...
> 
> If you're the curious type, the new toaster is this one: 
> https://www.amazon.ca/gp/product/B01MTLMTL0/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1
> 
> 
> 
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