Date: Thu, 19 Nov 2020 10:07:03 +0100 From: Roger Pau =?utf-8?B?TW9ubsOp?= <roger.pau@citrix.com> To: Brian Buhrow <buhrow@nfbcal.org> Cc: <freebsd-xen@freebsd.org> Subject: Re: ZFS corruption using zvols as backingstore for hvm VM's Message-ID: <20201119090703.nzkr7pvouvz4ot2k@Air-de-Roger> In-Reply-To: <202011181958.0AIJwRN1007886@nfbcal.org> References: <20201117092104.usulqtvcvyv7mcji@Air-de-Roger> <202011181958.0AIJwRN1007886@nfbcal.org>
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On Wed, Nov 18, 2020 at 11:58:27AM -0800, Brian Buhrow wrote: > hello Roger. Sorry for the confusion. I've been running NetBSD, or > trying to, in both PV and HVM modes. Here is a mesage I sent to the > port-xen@netbsd.org mailing list a few days ago, detailing what I found > with running NetBSD in any mode under Xen as a domu. Unfortunately, I > don't think I can provide a trace of a crash to the xen server when the OK, I'm not really able to reproduce this myself, so if you get those crashes again can you please make sure you have a serial attached to the box so that you can provide some trace? > HVM host misbehaves because I've had to move on in my work to get things > working and I found a working combination of NetBSD and ZFS that let's me > proceed. I've seen some discussion in the Xen documentation that suggests > one can run a Xen dom0 in a domu guest, allowing for sand box testing of > what you're describing without having to devote hardware to the issue. Am > I correct in this and where might I find instructions on how to do it? You can test a nested PV dom0, but not a nested PVH dom0, which is what FreeBSD uses to run as dom0. > > In any case, here's what I found. Thanks, I'm sure this will e helpful to others. Roger.
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