Messages in this thread | ![/](/images/icornerl.gif) | | Date | Fri, 7 Nov 2003 11:33:42 +0100 (MET) | From | Geert Uytterhoeven <> | Subject | Re: undo an mke2fs !! |
| |
On Thu, 6 Nov 2003, Pavel Machek wrote: > > > > 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".
Note that according to Ted's first post, e2image backs up the _metadata_. He didn't mention the real data...
Gr{oetje,eeting}s,
Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| ![\](/images/icornerr.gif) |