Date: Tue, 17 Jan 2012 00:10:40 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Aristedes Maniatis <ari@ish.com.au> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: dumpdev default Message-ID: <20120117081040.GA18825@icarus.home.lan> In-Reply-To: <4F15253E.7070404@ish.com.au> References: <4F15253E.7070404@ish.com.au>
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On Tue, Jan 17, 2012 at 06:37:34PM +1100, Aristedes Maniatis wrote: > The manual states that dumpdev "AUTO is the default as of FreeBSD 6.0" [1] > > However: > > # uname -a > FreeBSD xxxxxx 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > > # grep dumpdev /etc/defaults/rc.conf > dumpdev="NO" # Device to crashdump to (device name, AUTO, or NO). > savecore_flags="" # Used if dumpdev is enabled above, and present. > > > It looks like NO is still the default. Is there a reason why this should not be turned on even for production machines? I haven't read about any side effects, but it seems to be off by default for some reason. The Handbook is incorrect, and I filed a PR for this matter last year (PR 159650): http://lists.freebsd.org/pipermail/freebsd-doc/2011-August/018654.html Worth reading: http://lists.freebsd.org/pipermail/freebsd-stable/2011-August/063541.html http://lists.freebsd.org/pipermail/freebsd-stable/2011-August/063542.html http://lists.freebsd.org/pipermail/freebsd-stable/2011-August/063543.html And the entire thread: http://lists.freebsd.org/pipermail/freebsd-stable/2011-August/063535.html -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB |
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