Date: Mon, 12 Oct 2009 15:33:15 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-current@FreeBSD.ORG, freebsd-fs@FreeBSD.ORG Subject: zfs boot vs loader Message-ID: <4AD3220B.5030502@icyb.net.ua>
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I am using ZFS for boot-and-root filesystem. gptzfsboot is used for bootstrapping, if that matters. Maybe the following is some kind of a pilot error, but I think that I see a problem with selecting a different kernel using loader prompt. That is, I escape to a loader prompt from boot menu. There I do 'unload'. Then I 'load' a different kernel, opensolaris.ko and zfs.ko. Then I 'boot'. Then root mounting inevitably fails because ZFS root filesystem can not be found. This is an unexpected result for me. I wonder if something important for ZFS get unloaded when I unload preloaded kernel and modules. Perhaps I have to manually re-load zpool.cache? This happens with recent CURRENT, amd64. What's strange is that I think that I can switch kernels from loader prompt without any problems when using RELENG_7 and UFS-boot-plus-ZFS-root approach. -- Andriy Gapon
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