Date: Mon, 5 Nov 2007 10:21:49 +0900 From: "Adrian Chadd" <adrian@freebsd.org> To: "Thomas Sparrevohn" <Thomas.Sparrevohn@btinternet.com> Cc: freebsd-current@freebsd.org, Peter Schuller <peter.schuller@infidyne.com> Subject: Re: ZFS Hangs Message-ID: <d763ac660711041721k2d428f94o35ee316113110d04@mail.gmail.com> In-Reply-To: <200711050041.38229.Thomas.Sparrevohn@btinternet.com> References: <200711021208.25913.Thomas.Sparrevohn@btinternet.com> <200711041423.54336.Thomas.Sparrevohn@btinternet.com> <472DDEA2.7080804@FreeBSD.org> <200711050041.38229.Thomas.Sparrevohn@btinternet.com>
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On 05/11/2007, Thomas Sparrevohn <Thomas.Sparrevohn@btinternet.com> wrote: > Oh my god - Overlooked that ;-) - funny that - Its a bit tricky as it not possibly to dump a kernel > when the swap is on ZFS - I did a test with all debugging enabled and the problem > did not show up - which makes it somewhat nasty - I check if I can reproduce it > with only DDB enabled > > But as I said - I have been running with root on ZFS for quite a while without problems - > There are however two things that does not make much sense > > 1) number of vnodes are reduces to 100,000 by the kernel (AMD64) > 2) If I extent the cache size "wildly" it seems to be stable about 600MB +- 67MB You can dump to a non-ZFS swap partition thats not being used for swap. Just set it as your dumpdev but don't put it in /etc/fstab. Adrian -- Adrian Chadd - adrian@freebsd.org
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