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From: Szakacsits S. <sz...@si...> - 2003-04-10 12:38:10
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On Thu, 10 Apr 2003, Ian Jackson wrote:
> Szakacsits Szabolcs writes ("Re: [Linux-NTFS-Dev] Implementing ntfsimage"):
> > Yes. In your case [and quite probably in many others]. But the partition
> > can be much bigger than the NTFS volume size and chkdsk always creates the
> > backup boot sector in the last 512 bytes of the partition. Believe me, it
> > has nothing to do with cluster bitmap. Your case is pure accident.
>
> Oh, bloody hell. What happens if it's missing ?
If the boot sector gets damaged [quite often can happen, see many Microsoft
KB's] you have a harder time to boot Windows. I can imagine Microsoft's
Restore/Recovery or whatever it's called solution relies on it when
people can not boot. It's not there without a reason.
One of the main reasons ntfsresize marks the volume dirty is to schedule
'chkdsk' immediately at boot to restore the backup boot sector. ntfsresize
can not know where users and partitioning tools will resize the partition.
I wrote about the issue here, if interested
http://www.geocrawler.com/archives/3/8806/2002/11/0/10263407/
With parted this won't be a problem. Also for volume enlargement. But IMHO
you should definitely consider restoring it.
BTW, do you know that sometimes it even can not be done due to a Linux
kernel bug? IMHO it's fixed in 2.5 but not earlier. For more see 'man
mkntfs' BUGS section.
Szaka
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