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Question (NTFS / MFT / Locate32 / Win2k+)

post #1 of 3
Thread Starter 
Hello everyone. I've got a bit of a logic puzzle, and I'm curious if anyone knows the answer. I've got an old computer, and today I needed some old documents from it. The thing is, I've been parting it out, so it can't be turned on. I popped the HDD out and stuck it in my gaming PC. It was making some odd noises, so I copied everything off onto a spare WD Green that I have onhand.

So,
Drive 1 -> Seagate 120GB 7200.7
Drive 2 -> WD15EARS (WD Green 1.5TB)

Since I've got so many hundreds of thousands of files on it, I told Locate32 to Index both drives at the same time, storing the indexes on my WD Black. But to my surprise, the ancient Seagate drive finished right away.

I mean that literally. The Seagate drive took about 1 second, and the WD Green took about 2-3 minutes.

I ran several searches, and sure enough... everything was indexed. So I told Locate32 to index both again, and sure enough the Seagate finished just as fast as before. (WD was also faster, but still well over a minute)

Odd.

So I formatted it, copied everything back, and now it's roughly as slow as the WD Green.

The only factor that I can find that changed is the OS that formatted it. Originally it was formatted under Win2k. Now it's been formatted under WinXP. I'm wondering if Win2k does something different in regards to the MFT, making it massively faster for indexing files? Maybe it stores everything completely sequentially, while WinXP doesn't?

Hmm... I need to get a copy of Win7 and try it out with that OS.

Anyone know anything about NTFS / MFT / Indexing / Windows that they could chip in?


One other piece of the puzzle - before wiping it out I noted that it could instantly tell me the filesize of a folder and all subfolders. After being reformatted, it now has to "count" upward to the actual capacity used over many, many seconds. This is probably connected to my other observations?
     
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post #2 of 3
There may be other difference. You said the second time the WD indexed faster. Without knowing how Locate32 works and if it is very different from Win's indexing scheme I can't be certain but the Seagate drive had an OS that probably indexed everything while it worked on that HDD. I suppose after a while of using an OS it can pretty much count every file there is on the disk - if Locate32 uses these indexing values then the whole "counting" can be as little as to read the index file that could be flagged as having indexed all the HDD. This can't possibly be the case with the Green since you just copied the files onto it and the indexer works only in idle periods and takes time.

Otherwise I know of only one difference between the file systems of Win 2K and XP: 2k uses NTFS 3.0 while XP and latter uses 3.1:
http://en.wikipedia.org/wiki/NTFS#Versions
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by dragosmp View Post
There may be other difference. You said the second time the WD indexed faster.
I believe it's just because of cached data. It also goes faster the second time for FAT32 partitions.

But Locate32 can read the MFT, so it actually indexes NTFS partitions far quicker than FAT32 ones.
Quote:
Originally Posted by dragosmp View Post
Without knowing how Locate32 works and if it is very different from Win's indexing scheme I can't be certain but the Seagate drive had an OS that probably indexed everything while it worked on that HDD. I suppose after a while of using an OS it can pretty much count every file there is on the disk - if Locate32 uses these indexing values then the whole "counting" can be as little as to read the index file that could be flagged as having indexed all the HDD. This can't possibly be the case with the Green since you just copied the files onto it and the indexer works only in idle periods and takes time.
I actually modified my Win2k box and completely stripped out the indexer service... In Windows 2000 it's a bit too aggressive, and tries to run every 30-60 seconds. I also turned off indexing (per file) for every file on the partition.

Quote:
Originally Posted by dragosmp View Post
Otherwise I know of only one difference between the file systems of Win 2K and XP: 2k uses NTFS 3.0 while XP and latter uses 3.1:
http://en.wikipedia.org/wiki/NTFS#Versions
I'll keep investigating. I had thought maybe something wasn't set up properly on my XP box, but I just polled all my online friends - I got them to select large random folders (like Program Files) and Right-Click -> Properties them. All of them reported times between 10-30 seconds on a mixture of XP/Vista/Win7. None of them had any "instant" behaviour...
     
CPUMotherboardGraphicsRAM
FX-8350 @ 4.6ghz 1.425v Sabertooth 990FX Zotac GTX 1070 Amp! 32GB (4x8GB) Kingston Fury 1866mhz CL10 1T 1.5v 
Hard DriveHard DriveHard DriveHard Drive
Hitachi 2TB - HDS723020BLA64 Crucial M500 960GB - CT960M500SSD1 WD 4TB Black - WD4001FAEX WD 4TB Black - WD4001FAEX 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB - ST2000DM001 WD 640GB Black - WD6401AALS Seagate 6TB - ST6000DM001 Micron M500 - MTFDDAK480MAV 
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CPUMotherboardGraphicsRAM
FX-8350 @ 4.6ghz 1.425v Sabertooth 990FX Zotac GTX 1070 Amp! 32GB (4x8GB) Kingston Fury 1866mhz CL10 1T 1.5v 
Hard DriveHard DriveHard DriveHard Drive
Hitachi 2TB - HDS723020BLA64 Crucial M500 960GB - CT960M500SSD1 WD 4TB Black - WD4001FAEX WD 4TB Black - WD4001FAEX 
Hard DriveHard DriveHard DriveHard Drive
Seagate 2TB - ST2000DM001 WD 640GB Black - WD6401AALS Seagate 6TB - ST6000DM001 Micron M500 - MTFDDAK480MAV 
Optical DriveOptical DriveOptical DriveOptical Drive
Pioneer DVR-115DBK Samsung SH-S243D/BEBE LG GH22NS90 Lite-On EBAU108 External DVD 
CoolingCoolingCoolingOS
Noctua NH-D15 Fractal Design 140mm Fan - FD-FAN-140 Fractal Design 120mm Fan - FD-FAN-120 Windows 7 
OSMonitorMonitorKeyboard
Ubuntu 14.04 LTS Samsung 2343BWX 23" (2048x1152) BenQ GW2765HT 27" IPS LCD Monitor (2560x1440) Genius Keyboard KB-G235 PA 
PowerCaseMouseMouse Pad
Seasonic Platinum 1000w PSU - SS-1000XP Fractal Design Define R5 Steelseries Rival 6500 dcpi Mousepad + Desk 
AudioAudioOtherOther
Onboard Realtek® ALC 892 Cyber Acoustics CA-2992 2.0 Speakers Razer Krait 1600 DPI nGear G-C1601 Card Reader 
OtherOther
Pisen Card Reader Gigabyte M7 Thor 
CPUMotherboardGraphicsRAM
VIA Eden C7 1200mhz Jetway J7F4K1G2ES-LF VIA Onboard 512MB PC2-4200 
Hard DriveOptical DriveCoolingOS
A-Data FlashDrive None Fanless Linux 
MonitorKeyboardPowerCase
Headless None 65w Power Brick Antec ISK300-65 
MouseAudio
None Onboard VIA 
CPUMotherboardGraphicsRAM
Barton XP-M 2400+ FJQ4C Asus A7N8X-E Deluxe 256MB BFG 7800GS OC 2x512MB Samsung PC3200 
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Raptor 74GB/Seagate 120GB Windows 2000 Pro 60hz 17" CRT Brandless PS2 Keyboard 
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Antec Neo HE 550w Logitech G5 
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