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Tonko Mulder <tonko.mulder@×××××.com> posted |
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200802061253.45910.tonko.mulder@×××××.com, excerpted below, on Wed, 06 |
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Feb 2008 12:53:37 +0100: |
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> Op Wednesday 06 February 2008 11:19:46 schreef Duncan: |
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> |
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>> FWIW, I have /tmp on tmpfs, and /var/tmp as a symlink pointing at it. |
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> Don't know what 'FWIW' is, but anyway :) |
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http://www.onelook.com/?w=fwiw&ls=a |
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For What It's Worth. (FWIW... I don't use too many IM/list-speak |
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acronyms and tend to dislike reading posts from those that do, but I use |
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a few common ones, FWIW, BTW=By The Way, smilies, etc.) |
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> Thanks for the info and I'll try that when I'm ready to boot.. ( I |
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> wasn't thinking and I created a lvm root partition :P ) |
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=8^\ |
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I've never done that, tho I understand it's workable if you have |
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/boot separate and an initramfs/initrd with lvm2 therein, but I spent |
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QUITE some time planning my system so it wasn't necessary, putting |
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root and rootbak (if one fails I can boot the other, I update the backup |
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only periodically, when I know the main one is working well) on |
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partitioned RAID-6, specifically to AVOID root on lvm. Unlike lvm, the |
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kernel can pickup md/RAID parameters from its command line and can boot |
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into it directly, so that's how I have it arranged, /boot on RAID-1 as |
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that's all the RAID grub can handle, root and rootbak, along with the |
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physical volume for my LVM for everything else redundancy critical on |
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partitioned RAID-6, and 4-way striped swap and RAID-0 for caches (ccache, |
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the Gentoo tree, /usr/src/linux/) that are speed but not redundancy |
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critical. |
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The root and rootbak partitions contain most of /usr and /var as well, |
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basically everything that gets touched by ebuilds and the package manager |
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including its data, so it all stays in sync. If I were doing it over, |
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the only two things I'd do differently would be to have two rootbaks, so |
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if the system crashed while I was writing the one backup and neither it |
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nor the primary working root were functional, I could still boot the |
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other backup, and I'd create my RAID using at least 5 spindles/drives |
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(but go lower end on capacity per spindle), as writing to a 4-way RAID-6 |
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is slowwwww. |
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-- |
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Duncan - List replies preferred. No HTML msgs. |
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"Every nonfree program has a lord, a master -- |
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and if you use the program, he is your master." Richard Stallman |
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-- |
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gentoo-amd64@l.g.o mailing list |