From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 74BBD138CBD for ; Thu, 12 Mar 2015 11:31:05 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 86841E08B5; Thu, 12 Mar 2015 11:30:57 +0000 (UTC) Received: from oc.oops.co.at (oc.oops.co.at [176.58.98.19]) by pigeon.gentoo.org (Postfix) with ESMTP id 6566FE0864 for ; Thu, 12 Mar 2015 11:30:55 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by oc.oops.co.at (Postfix) with ESMTP id B2FDB88255 for ; Thu, 12 Mar 2015 11:30:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at oc.oops.co.at Received: from oc.oops.co.at ([127.0.0.1]) by localhost (oc.oops.co.at [127.0.0.1]) (amavisd-new, port 10024) with LMTP id QWE51EzbI_IE for ; Thu, 12 Mar 2015 11:30:46 +0000 (UTC) Received: from hiro.local (unknown [IPv6:2001:15c0:65ff:8742:c060:f6ff:fedb:dd72]) by oc.oops.co.at (Postfix) with ESMTPSA id E279A88254 for ; Thu, 12 Mar 2015 11:30:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xunil.at; s=mailout; t=1426159846; bh=mNg2kwnYm6Y/IHyLjLJIqCBiIfar58XEFZx0/WTrArw=; h=Date:From:Reply-To:To:Subject:References:In-Reply-To; b=fuH+VEGHb4fv+gqyaunfkUFdHven4Txrsuj4ZS8Qn3R4hx0ZI+jiT+neIR116bqd6 bEStjj8vEGjQmKG5KAu2mlkLlm02mbXEEKRz8l8V+jdeVfarxwzvUnKOKNlMrotJtS MgQGR7Rb+7OKxPK9M0SY65ZReBfiHi4NOKM42gAc= Message-ID: <550178E5.6020209@xunil.at> Date: Thu, 12 Mar 2015 12:30:45 +0100 From: "Stefan G. Weichinger" Organization: oops! User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] best practise for 4 disks ... redundancy References: <54FFE4A2.3060008@xunil.at> <20150311110929.5fdb4970@digimed.co.uk> <550064BB.1000706@xunil.at> <20150311160631.53647abf@hactar.digimed.co.uk> <5500BE59.8070609@xunil.at> <20150311223238.42f750c9@digimed.co.uk> In-Reply-To: <20150311223238.42f750c9@digimed.co.uk> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Archives-Salt: f7493916-0e73-4cc8-a180-0f99176e5117 X-Archives-Hash: 5c87a76180c6a7d6160e94d77f312758 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 11.03.2015 23:32, Neil Bothwick wrote: > On Wed, 11 Mar 2015 23:14:49 +0100, Stefan G. Weichinger wrote: > >> Am 11.03.2015 um 17:06 schrieb Neil Bothwick: >> >>>> So RAID1 with vfat as ESP ? >>> >>> That's how I'd do it. I have /boot on RAID1 on this box (but >>> not as FAT and it's a BIOS motherboard) with everything else on >>> a btrfs RAID and it works well. >> >> I will redo my setup tomorrow ... thanks So your suggestion is >> with MBR and not GPT? > > Absolutely not! MBR is fragile, limited and horrible. I use GPT but > not UEFI because this is a pre-UEFI motherboard. > >> I still wonder if to do UEFI and GPT because both are the more >> modern ways of doing things (and be prepared for future >> developments) or just stay with BIOS and MBR as long as I don't >> need it (with disks smaller than 2 TB etc) > > Given the choice, I'd use GPT for the above reasons and UEFI > because Gummiboot is nicer than GRUB. I now have a dedicated ESP on /dev/sda2 (non-RAID) and it boots via gummiboot (-> UEFI). dracut assembles the arrays after configuring this: # /etc/dracut.conf add_dracutmodules+="lvm bash mdraid" hostonly="yes" mdadmconf="yes" # the uuids of my two arrays ... kernel_cmdline+=" rd.md.uuid=7663e24a:1a64ce0f:49545629:46742031 " kernel_cmdline+=" rd.md.uuid=8c266e7a:870c97b7:ff199683:6d8c3edb " # end (lvm isn't necessary but doesn't hurt) I now wonder if I could (a) create a RAID1 over /dev/sd[abcd]2 and format it as vfat ESP or (b) "clone" /dev/sda2 -> format each /dev/sd[abcd]2 as vfat, copy the content of /boot in there and install gummiboot to each harddisk ? Stefan -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJVAXjlAAoJEClcuD1V0PzmVhIP/0B2ff9NNznkbkhMDtd850E3 lZKWIYSkEYgdznbPF0ODFV/dRZZHKjyAxgeEm1QbhJGRYCbOHMopcCMD2BQ+Cimt Fd0Eful1l2Z7dfr1igPCHHPJxgi65OvXd1KSFF9dSKPXaDe3B+QpG0QTBf+YU83p slAMmxwePXnKxFpZi2o7/7Nfi7SMDmDvJREgLL6BhFdDDQfVeMbsWjvtc2prutVM 858Eaou1hXkOc1d0Wkjhkyazw9VmpMyfN92+4YMQ+kWyz+x07WHE0gXMd+tvkTOw sOY7QYwKrsTXHdU5UTfHork+MVV6hJ2cLwj/epYXxU9T8zTEbaCkqlGoHbrGI1qF YCwGy89pkxVx5UZ+/1qSfalp99QiXed9fcDsrh8roHmUzSiQZOCoak9Wi+94S1cL 0Jc2vvVq9LUYAYiJ6/poUsZWB4W/LgKiB42YwFFwdoXMI+GIXWfmbB1B0mSnYYaU B+mtuv3trdgpD8+uyLjtmDOzbSBZekqG6RWHCdbh2R7mqmPoM3n8rmIz6R1+1pLy ynDJPot9hKxWaxdzu+SnvhlS/Kj04Qcydo2oav135HyoNJNN0j38E9BiRmYmBBfy CI1+MwR55tTriVgNHF8hEhH1eiqS+l6XE3ymuj+TLk9cKuR4lBtop+NG59r3ygTm miPw7o5+IPgI7bRcJiEV =ge3y -----END PGP SIGNATURE-----