Hello Michelle,
Michelle Konzack wrote:
> On my Office-Workstation (AMD Sempron 2200+, 3 GByte memory, 10/100 VIA
> OnBoard) I have tried to run the command
>
> michelle1:/# du -xsmc /*/
>
> which took arrond 17 hours... on a partiton of 3 GByte!!!
>
> Why? This pig access ANY network drives (NFS shares) it finds...
Please see the coreutils du documentation where it says:
info coreutils 'du invocation'
`-x'
`--one-file-system'
Skip directories that are on different file systems from the one
that the argument being processed is on.
By giving the /*/ wildcard it will be expanded by your shell into
/home/, /Maildirs/, and /home_www/ because those exist for the shell.
The du command will traverse those arguments. The -x will prevent du
from traversing mount points to different filesystems below those.
But I assume that you are expecting the -x to prevent those explicitly
listed directories from being traversed. But the -x option prevents
traversing different filesystems from the argument. If you
specifically list a filesystem then -x does not prevent du from
traversing it.
> I think, according to "du --help" and the manpage, the parameter "-x"
> should exclude Network drives too...
The --help output says:
-x, --one-file-system skip directories on different file systems
It is very hard to be concise yet precise. I can see where this may
not quite be precise enough. If it said the following would that be
clearer?
-x, --one-file-system skip directories on file systems different
from FILE arguments
Bob
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