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GeneralRe: Free game for the weekend? Pin
Mycroft Holmes2-Jun-22 12:32
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OriginalGriff3-Jun-22 0:28
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GeneralCHKDSK // I Am Confused Pin
C-P-User-32-Jun-22 3:59
C-P-User-32-Jun-22 3:59 
CHKDSK and Windows Explorer "Properties" agree very well on disk capacity up to Four TeraBytes.

Thereafter, CHKDSK appears to get flustered.

Twenty minutes of searching the internet gives me a faint clue that something called the GUID Partition Table is somehow involved in all this; maybe, depending on the phase of The Moon and the Asteroid Belt.

Anybody reading who wants to explain this to me, I'm quite ready to read your words.

================LONG=======BORING==========DETAILS=================

I purchased some external USB drives.

They are (what I call) quite large: 2TB, 10TB, and 16TB

(Those are marketing numbers, not true computer science values)

My cost per TeraByte was in the range of...
  • $5.17 For the small one
  • $2.29 For the large one
These costs use the definition: One TeraByte = 2**40 Bytes; i.e., 1,099,511,627,776 Bytes,

My friend who is way smarter than I am tells me that I have been ripped off, and that those kinds of prices don't exist today.

He says that, when I run CHKDSK, I am going to learn my lesson about deals that are too good to be true.

So I ran CHKDSK on all three of these new great buys.

I happen to have an External USB drive with a cost of about $25.00 per TeraByte which I also included as a control observation.

The ten-minute-internet expert in me learns that CHKDSK works only up to Two TeraBytes

But then...

My own observation shows that it works fine at Four TeraBytes

And then...

CHKDSK gets confused with my two larger drives (10TB and 16TB)

And then...

The twenty-minute expert in me starts reading about the GPT (GUID Partition Table)

And then...

Win 10 Disk Management tells me nothing about any of that

And so...

I ask on CodeProject; those guys tend to have working brains.



THE TESTS WITH NUMBERS


(N.B., "Western Digital" is a real company brand name; the others are totally contrived)



2TB // HOT USB DRIVE


CHKDSK REPORTS: 2047982080 KB

2047982080 * 1024 = 2,097,133,649,920

WINDOWS EXPLORER "PROPERTIES" GIVES PERFECT MATCH



4TB // WESTERN DIGITAL USB DRIVE


CHKDSK REPORTS: 3906999296 KB

3906999296 * 1024 = 4,000,767,279,104 BYTES

WINDOWS EXPLORER "PROPERTIES" GIVES PERFECT MATCH



10TB // DAFTLY USB DRIVE


CHKDSK REPORTS: 1649913856 KB

1649913856 * 1024 = 1,689,511,788,544

WINDOWS EXPLORER "PROPERTIES" SHOWS DIFFERENT NUMBER: 10,485,604,810,752



16TB // POPART USB DRIVE


CHKDSK REPORTS: 3499077632

3499077632 * 1024 = 3,583,055,495,168

WINDOWS EXPLORER "PROPERTIES" SHOWS DIFFERENT NUMBER: 16,777,195,028,480




END-OF-ORIGINAL-POST
GeneralRe: CHKDSK // I Am Confused Pin
OriginalGriff2-Jun-22 5:13
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GeneralRe: CHKDSK // I Am Confused Pin
Dave Kreskowiak2-Jun-22 5:35
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GeneralRe: CHKDSK // I Am Confused Pin
dandy723-Jun-22 10:55
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GeneralRe: CHKDSK // I Am Confused Pin
Dave Kreskowiak3-Jun-22 11:21
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GeneralRe: CHKDSK // I Am Confused Pin
C-P-User-34-Jun-22 3:22
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GeneralRe: CHKDSK // I Am Confused Pin
dandy724-Jun-22 5:46
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GeneralRe: CHKDSK // I Am Confused Pin
englebart2-Jun-22 6:45
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GeneralRe: CHKDSK // I Am Confused Pin
Daniel Pfeffer2-Jun-22 7:20
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GeneralRe: CHKDSK // I Am Confused Pin
obermd3-Jun-22 3:31
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GeneralRe: CHKDSK // I Am Confused Pin
Storm-blade2-Jun-22 7:36
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GeneralRe: CHKDSK // I Am Confused Pin
C-P-User-38-Jun-22 4:07
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GeneralRe: CHKDSK // I Am Confused Pin
Sander Rossel2-Jun-22 20:52
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GeneralRe: CHKDSK // I Am Confused Pin
C-P-User-38-Jun-22 1:39
C-P-User-38-Jun-22 1:39 
GeneralRe: CHKDSK // I Am Confused Pin
Sander Rossel8-Jun-22 4:38
professionalSander Rossel8-Jun-22 4:38 
GeneralRe: CHKDSK // I Am Confused Pin
C-P-User-34-Jun-22 7:24
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GeneralRe: CHKDSK // I Am Confused Pin
C-P-User-310-Jun-22 6:51
C-P-User-310-Jun-22 6:51 
QuestionSo... Is Visual Basic officially dead? PinPopular
Sander Rossel1-Jun-22 23:46
professionalSander Rossel1-Jun-22 23:46 

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