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Why do drives appear randomly (in order on Disk Management)?

post #1 of 24
Thread Starter 
I have 2 SSDs (on RAID) on my first 2 ports, and 4 HDD's on ports 3-6. Yet they appear like this.



And i'm not even sure that they're on ccorect order. I mean DISKO 0 is not nessecarily my first drive. I'd rather be drive #3 or something.

I also encounter same thing on my other computer. It list as DISK 0 my secondary drive, and DISK 1 is the primary drive with the OS installed.

Why does this happen? Isnt there any hierarchy?

EDIT-PS: My problem of course is this. Suppose i want to extract a drive from my system. LEts say DISK 0. I will think that this must be the first drive, ie connected on sata3. But chances are it isnt and i wont know which is the physical drive corresponding to the data i would want.
Edited by therock003 - 12/20/10 at 4:07am
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post #2 of 24
I believe that it's entirely dictated by which SATA ports each drive is connected to.
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post #3 of 24
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
I believe that it's entirely dictated by which SATA ports each drive is connected to.
Then this wouldn be the case. I would have sata1-2 as DISK 0 not DISK 2 and then sata3-6 would be DISK 1-4.

Also on my other PC sata 1 would be DISK 0 not DISK 1and vice versa...
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post #4 of 24
Quote:
Originally Posted by therock003 View Post
Then this wouldn be the case. I would have sata1-2 as DISK 0 not DISK 2 and then sata3-6 would be DISK 1-4.

Also on my other PC sata 1 would be DISK 0 not DISK 1and vice versa...
Yep! The very first SATA port (whether it's labeled as "SATA_0" or "SATA_1") is "Disk 0".
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post #5 of 24
it is a bit random and doesn't always line up with what you see on the mainboard or in the BIOS...

has a lot to do with which SATA devices initialize first, which drivers load first etc...

The trick to knowing what drive is which is NAMING THEM, you know those little bits of text that identify people, pets, computers, HDDs etc
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post #6 of 24
Thread Starter 
Quote:
Originally Posted by TheDreadedGMan View Post
it is a bit random and doesn't always line up with what you see on the mainboard or in the BIOS...

has a lot to do with which SATA devices initialize first, which drivers load first etc...

The trick to knowing what drive is which is NAMING THEM, you know those little bits of text that identify people, pets, computers, HDDs etc
Yes but still i dont knwow which one is which. Disk 0 isnt nesecarilly Drive on port 3. So even if i name it, i dont know which drive to pull out of my system. See what i mean?

Still i dont get why its so random, and disk # isnt based on absolute value of sata port.
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post #7 of 24
Quote:
Originally Posted by therock003 View Post
Yes but still i dont knwow which one is which. Disk 0 isnt nesecarilly Drive on port 3. So even if i name it, i dont know which drive to pull out of my system. See what i mean?

Still i dont get why its so random, and disk # isnt based on absolute value of sata port.
So is it different every time you reboot?
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post #8 of 24
Sata 1 = disk0
Sata 2 = disk1

You failed to connect in sequence most likely. Never encountered any randomness in that. I don't think it even can be random...
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post #9 of 24
Quote:
Originally Posted by DiNet View Post
Sata 1 = disk0
Sata 2 = disk1

You failed to connect in sequence most likely. Never encountered any randomness in that. I don't think it even can be random...
But it might be possible in a RAID setup.
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It's a computer!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #10 of 24
Thread Starter 
Quote:
Originally Posted by DiNet View Post
Sata 1 = disk0
Sata 2 = disk1

You failed to connect in sequence most likely. Never encountered any randomness in that. I don't think it even can be random...
It can be random, and there's no problem from my part.

As you can see the Blue Cables are the only sata 3 cables i've used and it's what the SSD's use. Also you can note that they're first in line, which you can also see from the mobo manual.





So i dont see how i could have caused this problem.

So how is it that the first Disks appear as a middle disk number between my other 4 HDD's that are clearly connected right after.

It's most probably what the DreadedGman said.
Edited by therock003 - 12/20/10 at 6:20am
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