[Bug 59293] Re: Dosfsck Run On Every Boot on FAT

[Jason Spiro]

*** This bug is a duplicate of bug 48806 ***
    https://bugs.launchpad.net/bugs/48806

== Dosfstools and reading the dirty flag ==

A few changes[1] to dosfstools, made just before 3.0.14 was released,
mean that dosfstools can now read a FAT partition's boot sector's dirty
flag.

== Do all three major OSes set the dirty flag? ==

Windows versions since at least[2] Windows 2000 set the dirty flag in a
FAT partition's boot sector when needed.  Recent[2] released versions of
the Linux kernel do too.

What do recent versions of Mac OS X do?  How do you know?

== My proposal ==

If we discover that all three major OSes can set the dirty flag when
needed, then:

A)  I think someone should email the dosfstools maintainer and ask if he could please subscribe to this bug.
B)  I suggest that dosfsck should not check a clean filesystem unless someone passes a "force" command-line parameter.

^  [1].  http://daniel-baumann.ch/gitweb/?p=software/dosfstools.git;a=shortlog
^  [2].  http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b88a105802e9aeb6e234e8106659f5d1271081bb

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https://bugs.launchpad.net/bugs/59293

Title:
  Dosfsck Run On Every Boot on FAT

Status in “dosfstools” package in Ubuntu:
  Confirmed

Bug description:
  Whenever I book into my Ubuntu system, dosfsck is run on my FAT32
  windows partition.  This step makes my boot sequence very long.  Is
  this fsck on every boot really neccessary?  Perhaps it should be run
  after a certain amount of mounts or a certain number of days.

  This occurs in both Dapper and Edgy.

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