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Yamakuzure Advocate
Joined: 21 Jun 2006 Posts: 2283 Location: Adendorf, Germany
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Posted: Thu Dec 05, 2013 9:25 am Post subject: Convert to ZFS |
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Hi everybody.
Since Funtoo has a rather nice (but rather sparse) ZFS install guide, I set up a small VM and played around with it a bit. My current thought on ZFS is something like "*WOW*".
So, as there are two other great wiki guides from Gentoo and Arch (surprise!), that do explain a whole lot more about really fascinating features of zfs, I though about converting my laptop.
But I do not really like the idea of having to reinstall everything from scratch. So I wondered whether the following idea is in order, or if I'd go nuts with it:- Install ZFS (okay, that one's clear.)
- Reboot from ZFS enabled SysRescCD
- Mount old partitions and backup all data on an external harddrive using rsync -a
- Unmount old partition and wipe/repartition the harddrive
- Create the required zpool(s) and datasets
- copy data back
- chroot into the the old/new installation and enable zfs like described in the Funtoo guide
- Cross fingers
- reboot
- pray.
So, what do you think?
Edith just remembered: All my important data is stored in truecrypt containers, reducing their copy to a few single big files. Some other directories are squashed using squash_mount (mv overlay) including the portage tree and /var/db, so there are a few larger files only, too. _________________ Important German:- "Aha" - German reaction to pretend that you are really interested while giving no f*ck.
- "Tja" - German reaction to the apocalypse, nuclear war, an alien invasion or no bread in the house.
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djdunn l33t
Joined: 26 Dec 2004 Posts: 810
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Posted: Sat Dec 07, 2013 6:36 am Post subject: |
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I think its exactly what i did and it worked just fine _________________ “Music is a moral law. It gives a soul to the Universe, wings to the mind, flight to the imagination, a charm to sadness, gaiety and life to everything. It is the essence of order, and leads to all that is good and just and beautiful.”
― Plato |
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Yamakuzure Advocate
Joined: 21 Jun 2006 Posts: 2283 Location: Adendorf, Germany
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Posted: Mon Dec 09, 2013 7:13 am Post subject: |
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djdunn wrote: | I think its exactly what i did and it worked just fine | Cool!
And if I screw it, I have, of course, backups of everything important. _________________ Important German:- "Aha" - German reaction to pretend that you are really interested while giving no f*ck.
- "Tja" - German reaction to the apocalypse, nuclear war, an alien invasion or no bread in the house.
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Yamakuzure Advocate
Joined: 21 Jun 2006 Posts: 2283 Location: Adendorf, Germany
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Posted: Fri Jan 03, 2014 7:19 am Post subject: |
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aaaand it worked.
Just a little reminder for future reference, if you want lz4 compression for the root dataset, then it must be compiled into the kernel. (Grew some grey hair over that...) _________________ Important German:- "Aha" - German reaction to pretend that you are really interested while giving no f*ck.
- "Tja" - German reaction to the apocalypse, nuclear war, an alien invasion or no bread in the house.
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dscherger n00b
Joined: 08 Mar 2004 Posts: 8
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Posted: Fri Jan 03, 2014 7:39 pm Post subject: root zfs with gnome, systemd and genkernel-next |
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I have done a similar installation and it has been working great for a couple of months, however now I have a gnome upgrade pending and things aren't looking so good.
Gnome requires systemd via the gnome/systemd profile and systemd requires genkernel-next but the initramfs I'm getting from genkernel-next is causing kernel panics during boot.
Has anyone else been through this? Any ideas?
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Yamakuzure Advocate
Joined: 21 Jun 2006 Posts: 2283 Location: Adendorf, Germany
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Posted: Sat Jan 04, 2014 9:14 am Post subject: |
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Which genkernel-next are you using? _________________ Important German:- "Aha" - German reaction to pretend that you are really interested while giving no f*ck.
- "Tja" - German reaction to the apocalypse, nuclear war, an alien invasion or no bread in the house.
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