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From: Warner Losh <imp@bsdimp.com>
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Cc: freebsd-arch@FreeBSD.ORG
Subject: Re: Regularly updated files in /etc
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On Aug 31, 2011, at 12:07 AM, Peter Jeremy wrote:
> I don't see any real downsides for the first two:
> - Moving dumpdates out of root just means a different FS would need te
>  be writable during dumps.

The whole reason it is in / is so that when you are doing level 0 dumps =
of the entire machine, you only need to have / mounted r/w.  Moving it =
to /var introduces another moving part into the requirements for dumps =
since /var is on another file system.  It would likely break backup =
scripts.

Warner