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Same files in two drives but one uses 70 GB more.


kmint

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Power User
Madrid, Spain

Posts
228
#1
Can somebody help to solve this mystery?

I had a Seagate MyBackup 1TB external drive. When it was half full I decided to buy another one, the same Seagate, same model, same 1TB.

So I copied the files to the new one and I do backups every week or so for the changes.

Today I noticed that the old one uses 70GB more than the other.

I mean, 70GB is a lot. I checked the files carefully, it's all my movies. Both are the same capacity, 931 GB. Even same color.

The only difference I found is that the newest has 16MB buffer and the old one only 8MB.

Does anyone know what could be happening?

Just in case it is relevant, I first used a program called Cobian Backup to make incremental backups and so on, but it was a mess and I uninstalled, formatted the new one and copied the files directly.

Maybe Cobian took 70GB of drive #1 and they are now lost in nowhere? I don't detect hidden files, hidden partitions, etc.

Thanks in advance.
 

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System One

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lehnerus2000

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#2
What do you see if you connect the HDDs and then open "Disk Management"?
 

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    RAM & Graphics Card Upgraded - 2013-01-13
    Monitor Upgraded - 2012-04-20
    System Upgraded - 2011-05-21, 2010-07-14
    HDD Upgraded - 2010-08-11, 2011-08-24,

kmint

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Madrid, Spain

Posts
228
#3

My Computer

System One

  • OS
    Windows 8.1 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Asus X501A
    CPU
    Pentium 2020M 2.4GHz Ivy Bridge
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    ASUSTeK COMPUTER INC. X501A1 (SOCKET 0)
    Memory
    4 GB RAM
    Graphics Card(s)
    Intel HD Graphics
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    Realtek High Definition Audio
    Monitor(s) Displays
    1366x768 Generic PnP Monitor on Intel HD Graphics
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    298GB Western Digital WDC WD3200BPVT-80JJ5T0 (SATA)
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lehnerus2000

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#4
Bizarre

That is bizarre. :confused:

I assume that the "Different" screenshots come from File Explorer?
Where did the "Identical" screenshots come from?

Have you run "Disk Check" on "Seagate 1"?

Have you checked that your backup images are valid?
If they are, you could reformat "Seagate 1" and copy the data from "Seagate 2" to it.

I can't think of anything better at the moment.
Sorry. :(
 

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System One

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    Windows 7 Ultimate SP1 (64 bit), Linux Mint 18.3 MATE (64 bit)
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    Samsung S23B350
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    Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA), Western Digital 3 TB (SATA)
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    Linux Mint 16 MATE (64 bit) replaced with Linux Mint 17 MATE (64 bit) - 2014-05-17
    Linux Mint 14 MATE (64 bit) replaced with Linux Mint 16 MATE (64 bit) - 2013-11-13
    Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
    RAM & Graphics Card Upgraded - 2013-01-13
    Monitor Upgraded - 2012-04-20
    System Upgraded - 2011-05-21, 2010-07-14
    HDD Upgraded - 2010-08-11, 2011-08-24,

kmint

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Madrid, Spain

Posts
228
#5
The "Different" ones come from right-click on the drive and Properties.

The "identical" ones come from selecting all the files inside the drive and right-click - Properties.

I run Check Disk and run Hard Disk Sentinel for superextensive information. Everything is OK.

I don't have any backup images. It is just movies that I go passing every week from one disk to the other one.

I guess it must be some hidden space from when I used this Cobian Backup thing the first day. It worked wrong and created some files and folders, but in disk #2, not in disk #1.

It takes many hours to format and copy all the movies again, I will first try to find the problem.

Thanks!
 

My Computer

System One

  • OS
    Windows 8.1 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Asus X501A
    CPU
    Pentium 2020M 2.4GHz Ivy Bridge
    Motherboard
    ASUSTeK COMPUTER INC. X501A1 (SOCKET 0)
    Memory
    4 GB RAM
    Graphics Card(s)
    Intel HD Graphics
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    1366x768 Generic PnP Monitor on Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    298GB Western Digital WDC WD3200BPVT-80JJ5T0 (SATA)
    Mouse
    Always touchpad with Asus' Smart Gestures
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    7star
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lehnerus2000

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#6
Sorry, I saw Cobian Backup and thought you were storing images. :eek:

It could be hidden space from the backup program.
IIRC, Windows Server Backup would hide the backup drive/partition, so that you couldn't see it in Windows Explorer.

Maybe Cobian Backup does something similar, still I would have thought that you could see it in "Disk Management".

If you have access to a Live Ubuntu CD, you could view the drive using GParted.
Another option is a Disk Partition CD that runs when you boot up your PC (e.g. Partition Wizard)?
You could check what they indicate about "Seagate 1" (e.g. show if there is a hidden partition).

If the mystery 70 GB is at the start of the HDD, getting it back could take longer than reformatting. :(
 

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    RAM & Graphics Card Upgraded - 2013-01-13
    Monitor Upgraded - 2012-04-20
    System Upgraded - 2011-05-21, 2010-07-14
    HDD Upgraded - 2010-08-11, 2011-08-24,

kmint

New Member
Power User
Madrid, Spain

Posts
228
#7
Good idea, I have some Linux in a pendrive fr these situations. I'll check.

But indeed it looks like either I format or lose th 70GB.

Thanks a lot.
 

My Computer

System One

  • OS
    Windows 8.1 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Asus X501A
    CPU
    Pentium 2020M 2.4GHz Ivy Bridge
    Motherboard
    ASUSTeK COMPUTER INC. X501A1 (SOCKET 0)
    Memory
    4 GB RAM
    Graphics Card(s)
    Intel HD Graphics
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    1366x768 Generic PnP Monitor on Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    298GB Western Digital WDC WD3200BPVT-80JJ5T0 (SATA)
    Mouse
    Always touchpad with Asus' Smart Gestures
    Browser
    7star
    Antivirus
    Windows Defender

kmint

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Madrid, Spain

Posts
228
#8
Just an update to say that I couldn't make any Linux run from the USB stick because of this bloody UEFI that is horrible. I tried everything and two different distros and it never run.

So I just formatted the drive #1, copied the files from #2 and now it is exactly the same used space in both.

I guess thos 70GB were missing for some hidden partition made by this Cobian Backup crapware.

Thanks a lot.
 

My Computer

System One

  • OS
    Windows 8.1 x64
    Computer type
    Laptop
    System Manufacturer/Model
    Asus X501A
    CPU
    Pentium 2020M 2.4GHz Ivy Bridge
    Motherboard
    ASUSTeK COMPUTER INC. X501A1 (SOCKET 0)
    Memory
    4 GB RAM
    Graphics Card(s)
    Intel HD Graphics
    Sound Card
    Realtek High Definition Audio
    Monitor(s) Displays
    1366x768 Generic PnP Monitor on Intel HD Graphics
    Screen Resolution
    1366x768
    Hard Drives
    298GB Western Digital WDC WD3200BPVT-80JJ5T0 (SATA)
    Mouse
    Always touchpad with Asus' Smart Gestures
    Browser
    7star
    Antivirus
    Windows Defender

lehnerus2000

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#9
Sorry I couldn't think of anything more elegant than the "brute force" solution. :(
 

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System One

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    ASRock 880GMH-LE/USB3
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    8GB DDR3 1333 G-Skill Ares F3-1333C9D-8GAO (4GB x 2)
    Graphics Card(s)
    ATI Radeon HD6450
    Sound Card
    Realtek?
    Monitor(s) Displays
    Samsung S23B350
    Screen Resolution
    1920x1080
    Hard Drives
    Western Digital 1.5 TB (SATA), Western Digital 2 TB (SATA), Western Digital 3 TB (SATA)
    Case
    Tower
    Mouse
    Wired Optical
    Other Info
    Linux Mint 16 MATE (64 bit) replaced with Linux Mint 17 MATE (64 bit) - 2014-05-17
    Linux Mint 14 MATE (64 bit) replaced with Linux Mint 16 MATE (64 bit) - 2013-11-13
    Ubuntu 10.04 (64 bit) replaced with Linux Mint 14 MATE (64 bit) - 2013-01-14
    RAM & Graphics Card Upgraded - 2013-01-13
    Monitor Upgraded - 2012-04-20
    System Upgraded - 2011-05-21, 2010-07-14
    HDD Upgraded - 2010-08-11, 2011-08-24,

XweAponX

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Pro User
#10
Maybe you have File Compression enabled on the folder where one of those files is located. Remember, under XP when you got Properties for a Folder, it would say "Compress Files to save space" - You could either apply it to the whole drive, or just selected folders.

Actually I see it in his image, but in Spanish. Maybe at one time the folders where you had some files were compressed, but later you uncompressed the drive. That would account for the change in overall size
 

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XweAponX

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#11
You used the backup Programme to make an identical copy of the drive, or does it copy as it is used? Maybe there are "Previous Versions" of some files on the larger drive. But the smaller drive, has MORE files than one one with more space used. That's odd, so you may have a couple of HUGE files in there, 35 GB each.
 

My Computer

System One

  • OS
    Windows 8 Pro with Media Center/Windows 7
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    System Manufacturer/Model
    Asus M2N-MX SE Plus § DualCore AMD Athlon 64 X2, 2300 MHz (11.5 x 200) 4400+ § Corsair Value Select
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    AMD 4400+/4200+
    Motherboard
    Asus M2N-MX SE Plus/Asus A8M2N-LA (NodusM)
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    2 GB/3GB
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    GeForce 8400 GS/GeForce 210
    Sound Card
    nVIDIA GT218 - High Definition Audio Controller
    Monitor(s) Displays
    Hitachi 40" LCD HDTV
    Screen Resolution
    "1842 x 1036"
    Hard Drives
    WDC WD50 00AAKS-007AA SCSI Disk Device
    ST1000DL 002-9TT153 SCSI Disk Device
    WDC WD3200AAJB-00J3A0 ATA Device
    WDC WD32 WD-WCAPZ2942630 USB Device
    WD My Book 1140 USB Device
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    Works 550w
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    Cooling
    Water Cooled
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    Dell Keyboard
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    Microsoft Intellimouse
    Internet Speed
    Cable Medium Speed
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    Chrome/IE 10
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    Eset NOD32 6.x/Win Defend
    Other Info
    Recently lost my Windows 8 on my main PC, had to go back to Windows 7.

Vadikan

(*.*)
Power User
Posts
480
#12
Hi kmint,

The difference may be hidden in shadow copies, so I'd check it first by running this command elevated:
Code:
vssadmin list shadowstorage
Post the results.

Vadim
 

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roy

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Posts
56
#13
Can somebody help to solve this mystery?


Today I noticed that the old one uses 70GB more than the other.
Hi, there could be some temporary files in the older HD, have
you tried to "Liberar espacio"?
 

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gavanid

Member
Member
Posts
79
#14
Can somebody help to solve this mystery?

I had a Seagate MyBackup 1TB external drive. When it was half full I decided to buy another one, the same Seagate, same model, same 1TB.

So I copied the files to the new one and I do backups every week or so for the changes.

Today I noticed that the old one uses 70GB more than the other.

I mean, 70GB is a lot. I checked the files carefully, it's all my movies. Both are the same capacity, 931 GB. Even same color.

The only difference I found is that the newest has 16MB buffer and the old one only 8MB.

Does anyone know what could be happening?

Just in case it is relevant, I first used a program called Cobian Backup to make incremental backups and so on, but it was a mess and I uninstalled, formatted the new one and copied the files directly.

Maybe Cobian took 70GB of drive #1 and they are now lost in nowhere? I don't detect hidden files, hidden partitions, etc.

Thanks in advance.
Do you have a windows.old folder on one of the drives?
 

My Computer

System One

  • OS
    Windows 8.1 Pro x64
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    PC/Desktop
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    My 1st Build
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    Intel(R) Core(TM)i7-4770K CPU @ 3.50GHz (Running @ 4.1GHz)
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    Asus Sabertooth Z87
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    32 GB Ram (4x8 Corsair Vengeance)
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    Asus Xonar DX
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    LG E24A53
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    1920x1080
    Hard Drives
    Samsung SSD 840 PRO 256GB



    Western Digital 1TB
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    Corsair 200R
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    Microsoft
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    (9-10/Mbs) 1 .5/7 Mbs
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    Firefox/Chrome
    Antivirus
    Avast (Windows Defender keeps wanting me to scan every boot)

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