RE: Max Number of Partitions.

["Richardson, Tony" <ARichard stark cc oh us>]

I don't think any of the standard tools allow you
to have more than one extended partition "visible"
at any one time.  You can hide an extended partition
by changing it to another type.

There is a Linux extended type 0x85 as well as a new
FAT32X extended type (0x0A I think) in addition to the
old DOS extended type (0x05).  You can play some tricks
with these types to have separate extended partitions
for Linux and for DOS.

A better option is to use a boot manager that hides
partitions by changing their type.  I use Ranish's Partition
Manager (http://www.users.intercom.com/~ranish/part/).
It allows you to have up to 31 primary partitions.  (Combining
partitions and hiding them so that no more than 4 are ever
visible in the partition table.)  These could be 31 extended
partitions with multiple logicals in each extended.  Only one
extended would be visible at any one time.  You can have
multiple Linux distributions with separate /, /home, swap etc
partitions for each distribution. (Having 31 separate
distributions might be a little extreme though...)

Tony Richardson


> -----Original Message-----
> From: Glenn Evanish [mailto:glenn pop06 odn ne jp]
> Sent: Saturday, May 01, 1999 6:57 PM
> To: redhat-install-list redhat com
> Subject: Re: Max Number of Partitions.
> 
> 
> 
> >A minor correction:
> >There are up to 4 "primary" partitions.
> >One of these 4 primary partitions can be marked as type
> >"DOS Extended", and can then contain "logical" partitions.
> >You can have up to 4 extended partitions thus, by marking
> >them all that way, but I think DOS/Windows have trouble
> >understanding what is going on if there is more than one
> >extended.  Doing so is pointless anyway.
> >
> >        - Kevin Colby
> >          kevinc grainsystems com
> 
> Got pretty interested when I read this, so I put Partition 
> Magic 4.0 to
> work on it this morning.  Seems that, since there is already 
> an extended on
> it, PM doesn't even want to give me the option of creating a 
> second extended.
> 
> Kevin or anybody else, just how would I create a second 
> extended on the
> same HD?  Do I need to use something other than PM?  What 
> might that be?
> Linux's Disk Druid or fdisk seem to create a lot of logicals 
> in the same
> extended.
> 
> TIA,
> 
> Glenn Evanish
> 
> Glenn Evanish
> ______________________________
> glenn pop06 odn ne jp
> 
http://www.twics.com/~glenn
______________________________


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