[gentoo-user] Re: Ghosting a Ext3 partition

[davecode@nospammail.net]

"What supports what" is a good reason for non-filesystem backups.  For
example partimage has trouble with XFS (still...after all these
years...).  A program like dd doesn't care the fs.  Call it a device
backup if you like.  This is your basic choice in backup - device or fs.
 Me personally, dd_rescue - far better than raw dd.

Your backup strategy has implications for partitioning Linux.  I make
backup partitions with the same byte count.  But that's over the top for
most.  They don't need to match exactly for dev bkups.  And of course
you don't go dev-to-dev all the time, sometimes dev-to-file and
file-to-dev.  Don't forget the MBR which dd can backup:  dd if=/dev/hdX
bs=512 count=1 of=MBR.dd

Who knows what Linux formats Ghost may or may not support.  It's passe
even for Windows.  They use DOS drivers for everything.  That's right
16-bit DOS.  I am amazed Norton can make money selling stuff like that. 
Norton may have hosed your fs.

For repairs and backup it's better to boot something like www.grml.org
live CD with lots of good admin tools and fs support.  You can run ext3
repairs from that.  Man e2fsck or whatnot.

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