bin/112935: doc a 4.3g limit on files within FS created by newfs_msdos

Julian Stacey jhs at berklix.org
Thu May 24 11:20:04 UTC 2007


>Number:         112935
>Category:       bin
>Synopsis:       doc a 4.3g limit on files within FS created by newfs_msdos
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu May 24 11:20:03 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Julian Stacey <jhs at berklix.com>
>Release:        FreeBSD 6.2-RELEASE i386
>Organization:
http://berklix.com
>Environment:
System: FreeBSD laps.jhs.private 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Sun Apr 1 16:50:14 CEST 2007 jhs at laps.jhs.private:/usr1/6.2-RELEASE/src/sys/i386/compile/LAPS.small i386


	
>Description:
	
>How-To-Repeat:
	
>Fix:
Apply patch
http://berklix.com/~jhs/src/bsd/fixes/FreeBSD/src/gen/sbin/newfs_msdos/newfs_msdos.8.diff
Copied here too:
*** 6.2-RELEASE/sbin/newfs_msdos/newfs_msdos.8	Sun Feb 13 23:25:16 2005
--- new-generic/sbin/newfs_msdos/newfs_msdos.8	Thu May 24 11:57:52 2007
***************
*** 162,167 ****
--- 162,176 ----
      u_int16_t	bkbs;		/* [-k] backup boot sector */
  };
  .Ed
+ .Sh LIMITATION
+ Maximum file size within file system is about 4.3G, even if file system
+ is eg 5 to 10 Gig.  (Thus one cannot store a 4.7 Gig DVD .iso).
+ .Bd -literal
+ 4,294,963,200 on fdisk type  6 slice created & written by FreeBSD,
+ 4,294,963,712 on fdisk type 12 slice created & written by FreeBSD,
+ This is an (MS architectural?) limitation, not a BSD bug, as:
+ 4,294,959,616 on fdisk type 12 created by Win-XP, written by FreeBSD.
+ .Ed
  .Sh EXIT STATUS
  Exit status is 0 on success and 1 on error.
  .Sh EXAMPLES

	


>Release-Note:
>Audit-Trail:
>Unformatted:


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