GRUB && DEFRAG (HELP) IT IS NOT SPAM

GRUB && DEFRAG (HELP) IT IS NOT SPAM

[Alexandre Borges]

Hi there,
My name's Alexandre Borges from Rio de Janeiro (Brazil).
I'm working in a defrag for linux/ext2.
Could you say me a easy way to identify which files I must to preserve when
defragging?
Currently I've adopted the follow strategy: I preserve each file on /boot
(recusive)
directory.
It has worked at Red Hat 7 and Mandrake 10 with LILO, but I don't know about
GRUB.
My main care is GRUB needs for some file that it isn't in /boot
Do you have any code to identify such files(inodes or even sectors) if
necessary?
How can I be make sure that grub has been instaled?

Could you help me?

Thanks,
Alexandre


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Re: GRUB && DEFRAG (HELP) IT IS NOT SPAM

[Marco Gerards]

Alexandre Borges <alexandre_b_g@click21.com.br> writes:

Hi Alexandre,

> My name's Alexandre Borges from Rio de Janeiro (Brazil).
> I'm working in a defrag for linux/ext2.
> Could you say me a easy way to identify which files I must to preserve when
> defragging?

GRUB accesses the filesystem and does not use some block list.  GRUB
itself is stored in the MBR and some sectors following the MBR.  This
is enough to load the rest of GRUB from the filesystem.

So in case GRUB is used defragmenting doesn't hurt.

I wonder why you want to defragment an ext2.  In case you make sure
you don't fill up the entire disk, the filesystem won't be that badly
fragmented.  Most filesystems, like ext2, have special measures to
prevent severe external fragmentation.

--
Marco