[conspire] Comments on setting up disk partitions.

jim jim at well.com
Thu Apr 9 11:18:02 PDT 2009

clarifying clarification, hopefully usefully, with questions: 

On Thu, 2009-04-09 at 10:19 -0700, Paul Zander wrote:
> Once fdisk has been properly executed, the effective result is sda1,
> sda2, sda3, sda5, sda6, ...  Not an issue as long as you are mindful
> when defining the extended partitions and don't look for sda4.
> * JS: per paul's example just above, sda4 is used as the "extended 
> partition"; the native partition table stores four entries, the 
> fourth is usually used to store information about "logical
> partitions", i.e. it's a partition table within a partition table, 
> which lets you manage additional partitions. a pretty good article: 
> http://en.wikipedia.org/wiki/Extended_boot_record 
>    if one chooses to have more than four partitions, one must reserve
> one of the four primary partitions to be the extended partition; i
> believe there's no technical requirement as to which one, though using
> the fourth makes sense in a general way. 
>    QUESTION: are there technial restrictions to choosing the first
> primary partition to be the extended partition? 
>    QUESTION: after a little looking, i'm not clear as to the upper
> limit of possible partitions on a linux system. for now i'm assuming
> fifteen usable partitions, three primary, one extended, and twelve
> logical (where the extended partition is not usable in the sense of
> impressing a filesystem on it and storing data). 
>    QUESTION: i'm not clear on the preferred spelling of "filesystem"
> or "file system". 
> There are also tools that allegedly allow windows to handle EXT2 and
> EXT3.  
> * JS: here's a link to one solution: 
> http://www.fs-driver.org/ is a windows driver that adds ext2
> filesystem read and write capabilities to a windows system. 

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