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Old 02-27-2008, 04:48 AM   #1
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Unhappy Extended partitions?

i need it how to create extened partions
Old 02-27-2008, 06:27 PM   #2
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fdsik /dev/hda

Change the hda to whatever your hard-disk is...
-- IDE
-- -- hda = primary master
-- -- hdb = primary slave
-- -- hdc = secondary master
-- -- hdd = secondary slave
-- -- Starts with sda as first drive, and continues through sdb, sdc, etc.

When you are in fdisk, p enter, will print your current partition listing. n enter, with create a new partition. Answer the questions it asks to make a primary, logical, or extended partition.
Old 02-27-2008, 07:13 PM   #3
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Originally Posted by ranger_nemo
fdsik /dev/hda
This will only work with older kernels. If you're using the latest kernel, you need to use sda instead of hda.
Now it doesn't matter if a disc is a SATA or IDE, its sda, sdb, etc.
The hda, hdb, etc... naming is discontinued (obsolete) from now on.

Last edited by pusrob; 02-27-2008 at 07:14 PM.
Old 02-27-2008, 09:07 PM   #4
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Okay, anyway...

"Extended partitions" are really nothing special. Every disk has a partition-table, and the original design specified four slots. Therefore you could never have more than four partitions. Oops.

So, since it wasn't practical or possible to make the main partition table bigger than four-slots, "here's the hack they came up with." That "fourth partition" could be subdivided into lots more so-called extended partitions. This kept the original hardware table intact (with its four slots) and provided maneuvering room for expansion.

However, I think that the entire concept is much less important today than it used to be. Originally, partitions were mainly used as a different kind of "hack," to compensate for the fact that disk-drives were growing faster than filesystem formats. You had more capacity available than you could use without partitioning it. This is no longer the case.
Old 02-27-2008, 09:47 PM   #5
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Some partition managers do not make extended partitions as a specific function. The first time you specify a logical partition, the extended is automatically created.


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