Date: Sat, 16 Jan 2010 01:46:59 +0200 From: Volodymyr Kostyrko <c.kworr@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: AHCI and ZFS: root mount error Message-ID: <20100116014659.46536463@limbo.lan> References: <7ab0356e1001151213y5536d4cdi1d1759ce28ad546a@mail.gmail.com> <20100115232922.GM45688@e-Gitt.NET>
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On Sat, 16 Jan 2010 00:29:23 +0100 Oliver Brandmueller <ob@e-Gitt.NET> wrote: > Check with "zpool status" if your zpool refers to diskslices like > "ad0s1". I use gpt have setup the ZFS mirror to refer to gptids: > > pool: silver > state: ONLINE > scrub: none requested > config: > > NAME STATE READ WRITE CKSUM > silver ONLINE 0 0 0 > mirror ONLINE 0 0 0 > gptid/9e68d234-f306-11de-a0c4-0002b3b6e838 ONLINE 0 0 0 > gptid/a025b88c-f306-11de-a0c4-0002b3b6e838 ONLINE 0 0 0 > > With that kind of configuration I can switch back and forth between > using ATA_CAM or using traditional ATA drivers. Since you're not using > GPT I gues you can use geom labels to do more or less the same thing. > > In short: use labels, nut device names. Saves headaches in many cases. ZFS actually can find disks without any glabel help. I have one server which I have moved recently to ahci and nothing changes for me. ZFS silently accepted new provider names and continue working as usual. -- Sphinx of black quartz judge my vow.
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