Gentoo Forums
Gentoo Forums
Gentoo Forums
Quick Search: in
Convert to ZFS
View unanswered posts
View posts from last 24 hours

 
Reply to topic    Gentoo Forums Forum Index Gentoo Chat
View previous topic :: View next topic  
Author Message
Yamakuzure
Veteran
Veteran


Joined: 21 Jun 2006
Posts: 1467
Location: Bardowick, Germany

PostPosted: Thu Dec 05, 2013 9:25 am    Post subject: Convert to ZFS Reply with quote

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:
  1. Install ZFS (okay, that one's clear.)
  2. Reboot from ZFS enabled SysRescCD
  3. Mount old partitions and backup all data on an external harddrive using rsync -a
  4. Unmount old partition and wipe/repartition the harddrive
  5. Create the required zpool(s) and datasets
  6. copy data back
  7. chroot into the the old/new installation and enable zfs like described in the Funtoo guide
  8. Cross fingers
  9. reboot
  10. 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.
_________________
systemd - The biggest fallacies
Back to top
View user's profile Send private message
djdunn
l33t
l33t


Joined: 26 Dec 2004
Posts: 710
Location: Arrakis

PostPosted: Sat Dec 07, 2013 6:36 am    Post subject: Reply with quote

I think its exactly what i did and it worked just fine
_________________
A process cannot be understood by stopping it. Understanding must move with the flow of the process, must join it and flow with it.

-The First Law of Mentat
Back to top
View user's profile Send private message
Yamakuzure
Veteran
Veteran


Joined: 21 Jun 2006
Posts: 1467
Location: Bardowick, Germany

PostPosted: Mon Dec 09, 2013 7:13 am    Post subject: Reply with quote

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.
_________________
systemd - The biggest fallacies
Back to top
View user's profile Send private message
Yamakuzure
Veteran
Veteran


Joined: 21 Jun 2006
Posts: 1467
Location: Bardowick, Germany

PostPosted: Fri Jan 03, 2014 7:19 am    Post subject: Reply with quote

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...)
_________________
systemd - The biggest fallacies
Back to top
View user's profile Send private message
dscherger
n00b
n00b


Joined: 08 Mar 2004
Posts: 8

PostPosted: Fri Jan 03, 2014 7:39 pm    Post subject: root zfs with gnome, systemd and genkernel-next Reply with quote

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?

Thanks
Back to top
View user's profile Send private message
Yamakuzure
Veteran
Veteran


Joined: 21 Jun 2006
Posts: 1467
Location: Bardowick, Germany

PostPosted: Sat Jan 04, 2014 9:14 am    Post subject: Reply with quote

Which genkernel-next are you using?
_________________
systemd - The biggest fallacies
Back to top
View user's profile Send private message
Display posts from previous:   
Reply to topic    Gentoo Forums Forum Index Gentoo Chat All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum