On Wed, Oct 18, 2017 at 05:14:29PM +0200, Mark Clarke wrote:
>
> Given the slow death of the ext file system it would be appropriate to
> remove debugfs and dumpe2fs and with the growth in xfs I think it would be
> more appropriate to give xfs greater attention. I have never used debugfs
> nor dumep2fs for anything useful. Tune2fs used to be useful and still is
> occasionally.
>
> Could someone let me know how to use debugfs and dume2fs in any useful way?
> I really want to know as a non file system developer. I have exhausted my
> google foo and the only example one ever sees about debugfs is undeletling
> a
> file and this stopped working long ago as far as I understand it.
I used debugfs sometimes in the past. It was mostly to check a file system
covered/below a mount.
And I still use ext(2|3|4) FS - it depends on the system (especially the
amount of RAM). IMHO it is still more stable than XFS or Btrfs. At least *I*
didn't have big issues with extX as I had with XFS or Btrfs. But experiences
differ.
To be on topic: IMHO it doesn't make sense that debugfs or dumpe2fs are even
"mentioned" by LPI.
BTW - my 2 cents on "vi" discussion:
IMHO it is worth that "vi" is covered ("vi" = even "hjkl" and NOT "vim").
Just some basic editing commands would be sufficient. Or the mentioned "20
min tutorial". But 2 minutes would also be sufficient. :-)
And no "nano"! Out in the wild there are too many systems with only vi.
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