Date: Mon, 20 Feb 2006 22:00:37 +0000 From: Marcin Jessa <lists@yazzy.org> To: "Larry Rosenman" <ler@lerctr.org> Cc: thierry@herbelot.com, dougb@FreeBSD.org, freebsd-current@freebsd.org Subject: Re: no dump on a gmirror ? Message-ID: <20060220220037.2d14f128.lists@yazzy.org> In-Reply-To: <013701c63653$5b440e10$0a0a0a0a@aus.pervasive.com> References: <43FA15F5.4050300@FreeBSD.org> <013701c63653$5b440e10$0a0a0a0a@aus.pervasive.com>
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On Mon, 20 Feb 2006 13:25:05 -0600 "Larry Rosenman" <ler@lerctr.org> wrote: > Doug Barton wrote: > > Larry Rosenman wrote: > >> Thierry Herbelot wrote: > >>> Hello, > >>> > >>> I have recently converted a machine to a full gmirror configuration > >>> (as explained on http://people.freebsd.org/~rse/mirror/ : > >>> everything, including swap, is mirrored). > >>> > >>> The dump device is configured as AUTO from /etc/defaults/rc.conf and > >>> the kernel complains when booting that "No suitable dump device was > >>> found". > >>> > >>> Is this to be expected ? (I do not find any hint in gmirror(8) or > >>> dumpon(8)) > >> > >> Yes, unfortunately. > >> > >> I wish someone would change it, as if I get a system panic, I'll > >> not be able to help fix it. > > > > Does specifying a device, rather than using AUTO, work for you? > > > > Doug > > as in? > > # dumpon /dev/mirror/gm0s1b > dumpon: ioctl(DIOCSKERNELDUMP): Operation not supported > # > > Feb 20 13:23:03 thebighonker kernel: Loading configuration files. > Feb 20 13:23:03 thebighonker kernel: dumpon: > Feb 20 13:23:03 thebighonker kernel: ioctl(DIOCSKERNELDUMP) > Feb 20 13:23:03 thebighonker kernel: : > Feb 20 13:23:03 thebighonker kernel: Operation not supported > > # cat /etc/rc.conf > hostname="thebighonker.lerctr.org" > dumpdev="/dev/mirror/gm0s1b" > > so, no it doesn't. > > I don't believe I can get at the "b" slices of the individual disks > (da0/da1). You may try the same trick as NetBSD uses with RAIDframe: http://www.netbsd.org/guide/en/chap-rf.html#chap-rf-setup-kerneldump Cheers, Marcin.
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