Date: Wed, 20 Nov 2013 12:53:55 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Richard Kearsley <richard@kearsley.me> Cc: freebsd-fs@freebsd.org Subject: Re: boot zfs array from hba Message-ID: <528CA2D3.3060600@quip.cz> In-Reply-To: <528C9A83.1060606@kearsley.me> References: <528C9A83.1060606@kearsley.me>
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Richard Kearsley wrote: > Hi > I am having some problems booting a raidz1 array from a lsi 2308 HBA on > a supermicro X9DRD-7LN4F-JBOD board > I believe the problem is that the bios only exposes one of the disks on > the HBA to the bootloader, resulting in the loader thinking the array is > degraded > FreeBSD must detect the disks itself at some point - through mps(4), but > it does not happen early enough in the boot procedure... > > My question is there a trick, or something I'm missing, to be able to > boot an array from a HBA? > I'm using FreeBSD 9.1 > > The error I get at boot is as follows: > ZFS: i/o error - all block copies unavailable > ZFS: can't read object set for dataset u > ZFS: can't open root filesystem > gptzfsboot: failed to mount default pool ssd > > FreeBSD/x86 boot > Default: ssd:: > boot: I had the same problem on Dell server with H200 (rebrended LSI 2008). I post about the workaround here http://lists.freebsd.org/pipermail/freebsd-fs/2013-November/018536.html I did small partition on each disk with ZFS mirror (mirroring all disk) and place the /boot or whole base system on this mirrored pool instead of RAIDZ pool (later created on second partition covering the rest of the disks) Miroslav Lachman
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