[Discussion] DOS Critical Error

Thomas Clayton topcatdrc at yahoo.com
Thu Sep 3 21:06:04 PDT 2009


Felmon,

The four primary OR three primary and one extended are what make up IBM(R,C)'s original FDISK type partitioning scheme. This held for DOS (vn. 2 and up; certainly 3); OS/2 (16-bit, vn. 1.x); and OS/2 (16-/32- bit hybrid versions 2 - "4.4x"). The LVM scheme (something I haven't -yet- had to deal with) was introduced with ?Warp Server? and carried over into the client (versions > 4.51?) when they were (their code base was) merged.

Sincerely,

Thomas Clayton


--- On Thu, 9/3/09, Felmon Davis <davisf at union.edu> wrote:

> From: Felmon Davis <davisf at union.edu>
> Subject: Re: [Discussion] DOS Critical Error
> To: "POSSI Discussion List" <discussion at lists.possi.org>
> Date: Thursday, September 3, 2009, 4:41 PM
> On Thu, 3 Sep 2009, Carl Gehr wrote:
> 
> > One more question:  Doesn't DOS have a maximum
> partition size?
> > I know I have had to create a small partition [FAT16]
> to install
> > some old Win16 programs because even with an empty,
> but larger
> > drive, the installer says there's not enough space.
> > 
> > I don't know what the number is, but I'm sure there
> are problems
> > with a size greater than 'n...nMB'.
> > 
> > Carl
> 
> everyone is referring to 'DOS' but I thought the limitation
> is due to 
> the BIOS of PCs. I believe there are 4 primary partitions
> though 
> maybe it's 3 and one extended. not sure.
> 
> if it's a BIOS limitation then it doesn't just apply to
> DOS.
> 
> maybe people means something special by 'DOS'. I just think
> of it as a 
> disk operating system. I assume one would get a similar
> error in 
> Windows, Linux or OS-X.
> 
> please instruct me if I am wrong!
> 
> Felmon
> 
> > On Thu, 3 Sep 2009 14:03:11 -0700 (PDT), Thomas
> Clayton wrote:
> > 
> > >Brian,
> > >
> > >Firstly, Is it an 800 GB or an 80 GB. (Wow. How
> things have GROWN!)
> > >
> > >Secondly, HOW did you partition the drive? (LVM,
> Part'n. Magic,
> > >          Part'n
> Manager)
> > >
> > >Thirdly, Besides the Boot Manager partition which
> HAS TO BE a Primary,
> > >         what
> type/kind are the others.
> > >(Is there an EXTENDED boundary into which some fit
> and are, therefore, LOGICAL drives?)
> > >
> > >Lastly, you're using 'only' 16-17GBs of an 800MB
> drive. Is that what you bought it for? (to waste
> space?)  ;-)
> > >
> > >Thomas Clayton
> > >
> > >
> > >--- On Thu, 9/3/09, Brian Grawburg <grawburg at myglnc.com>
> wrote:
> > >
> > >> From: Brian Grawburg <grawburg at myglnc.com>
> > >> Subject: [Discussion] DOS Critical Error
> > >> To: "POSSI" <discussion at lists.possi.org>
> > >> Date: Thursday, September 3, 2009, 9:39 AM
> > >> I have an 800 GB HD partial
> > >> partitioned. 
> > >> 7.8 MB (Boot Mgr)
> > >> 502 MB
> > >> 3757 MB
> > >> 6000 MB
> > >> 6000 MB
> > >> 
> > >> I am able to make folders in the last 6K
> partition and
> > >> could write some data to it. Now I get this
> error when I try
> > >> to save data
> > >> into new folders I made.  DOS Critical
> Error, cannot
> > >> find [here is the folder name].  Anyone
> understand
> > >> what's going on?
> > 
> > _______________________________________________
> > Discussion mailing list
> > Discussion at lists.possi.org
> > http://lists.possi.org/mailman/listinfo/discussion
> > 
> 
> -- 
> Felmon Davis
> 
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