Re: undo an mke2fs !!
From: Pavel Machek
Date: Thu Nov 06 2003 - 14:22:10 EST
Hi!
> > > If you had backed up the metadata using an e2image command, you would
> > > have been fine, but that command takes a while to run, so most people
> > > don't bother to do this. (Not a bad idea for the absolute paranoids
> > > in the house would be to run e2image out of a cron script and save the
> > > image file on some *other* filesystem.)
> >
> > Assuming I have e2image (I'm actually started to thinking it is pretty
> > good idea)... how do I restore it?
>
> <Blush> The libext2fs library routines are there, but the userspace
> tools haven't been written yet. What I've done the few times when
> I've used it is to let debugfs access the image file, and use it
> mostly for examination purposes.
>
> What I'll probably do is add debugfs commands that allow you to copy
> the superblock/block group descriptors, or the inode table, or the
> block/inode allocation bitmaps from the image file back to the
> filesystem. As I said, the library routines are there, but debugfs
> front ends haven't been written yet. If someone has a critical
> situation requiring them, I could probably throw together patches
> within a day or so.
I guess I'll start recomending e2image to people trying software
suspend ;-). It really seems like neat tool for "easy backups".
Pavel
--
Horseback riding is like software...
...vgf orggre jura vgf serr.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/