Date: Fri, 31 Jul 2009 00:46:32 -0500 From: Adam Vande More <amvandemore@gmail.com> To: "Philip M. Gollucci" <pgollucci@p6m7g8.com> Cc: questions@freebsd.org Subject: Re: gmirror / crash dumps Message-ID: <6201873e0907302246r10033969p1651104b6e0598cf@mail.gmail.com> In-Reply-To: <4A7271DE.7070702@p6m7g8.com> References: <4A7271DE.7070702@p6m7g8.com>
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On Thu, Jul 30, 2009 at 11:23 PM, Philip M. Gollucci <pgollucci@p6m7g8.com>wrote: > Hi, > > Say I've got the following: > /dev/mirror/gm0s1b none swap sw > > /dev/mirror/gm0s1a 989M 390M 520M 43% / > /dev/mirror/gm0s1g 15G 1.7G 12G 13% /usr > /dev/mirror/gm0s1h 544G 1.8M 501G 0% /usr/home > /dev/mirror/gm0s1d 1.9G 500M 1.3G 27% /usr/src > /dev/mirror/gm0s1e 1.9G 1.1G 733M 60% /usr/obj > /dev/mirror/gm0s1f 97G 2.0K 89G 0% /var > > Well I'm trying to get my kernel panics to cause dumps > 1) /etc/rc.conf > dumpdev=AUTO > crashinfo_enable="YES" > > 2) sudo chmod 700 /var/crash > > 3) 8GB RAM, 16GB of swap, /var/crash is 16GB < 97GB > > 4) I have the following in my 7-stable kernel > makeoptions DEBUG=-g > options AUDIT > options KTRACE > options KDB > options KDB_TRACE > options DDB > options GDB > options BREAK_TO_DEBUGGER > options INVARIANTS > options INVARIANT_SUPPORT > options WITNESS > options DEBUG_LOCKS > options DEBUG_VFS_LOCKS > options LOCK_PROFILING > options DIAGNOSTIC > > The long and the short of it is I don't get any dumps. > > I read somewhere that you can't dump onto a gmirror device. That is incorrect, but I don't know the cause of your problem. I run nothing but gmirror and dumps happen here. > So I've moved /var off of > /dev/mirror/gm0s1f 97G 2.0K 89G 0% /var > and I can now do what I want with this. > > How do I go about re-jiggering this (2-disk gmirror) so I can use 1 > slice from one of them as my dumpon(8) device? > > TIA > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" > -- Adam Vande More
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