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What is a simple volume?

Posted on 2004-08-08
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Last Modified: 2010-04-03
When I try to partition and format one of my harddrives under windows 2000 it only lets me make it a simple volume. Why does it do this and how do I make it let me partition it as an extended partition? It's a 120 gig WD IDE drive.
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Question by:staubsaugen
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tfjeff earned 125 total points
ID: 11745662
http://support.microsoft.com/default.aspx?scid=kb;EN-US;175761

win2k offers basic or dynamic volumes, here is a brief overview:
Basic storage uses normal partition tables supported by all versions of Windows, MS-DOS, and Windows NT. A disk initialized for basic storage is called a basic disk. It can hold primary partitions, extended partitions, and logical drives.

Basic volumes include partitions and logical drives, as well as volumes created using Windows NT 4.0 or earlier, such as volume sets, stripe sets, mirror sets, and stripe sets with parity. In Windows 2000, these volumes are called spanned volumes, striped volumes, mirrored volumes, and RAID-5 volumes, respectively.
Dynamic storage is supported by Windows 2000. A disk initialized for dynamic storage is called a dynamic disk. It can hold simple volumes, spanned volumes, mirrored volumes, striped volumes, and RAID-5 volumes. With dynamic storage, you can perform disk and volume management without having to restart the operating system.

the danger of using dynamic volumes is it is basically "raid" controller by your operating system, so if your operating system crashes, your "raid" crashes.  When faced with the decision on whether to use basic or dynamic disks, you should use basic disks and a hardware raid setup.

to create a partition as an extended partition:
when in disk management and you create the partition, the wizard gives you chioces to create a primary or extended partition, simply mark the correct radio button.  

Look here:
http://www.theeldergeek.com/hard_drives_07.htm

it should be about the same for win2k.  The only reason you need an extended partition is if you are going to put more than 4 partitions on one hard disk.  If you are only putting four, they can all be primaries.

Here's a pretty good overview:
http://www.ntfs.com/logdrives.htm

regards,
jeff
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