How to quickly determine if UFS2 FS is "clean" from command
line?
Bruce Cran
bruce at cran.org.uk
Thu Dec 25 19:17:48 PST 2008
On Thu, 25 Dec 2008 17:49:56 -0800
David Wolfskill <david at catwhisker.org> wrote:
> A reality check later, I find that for the file systems in question,
> dumpfs(8) produces the wanted information (and quite a bit more)
> nearly instantly, then spends about 33 seconds dumping cylinder group
> information that I have no interest in.
I only ran it on a 2GB filesystem so I didn't see how slow it is!
It looks like ffsinfo(8) can also display the superblock: by
specifying only level 0x001 it should be fast, though the flags are
combined into a single value in the output.
--
Bruce Cran
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