root partition on LVM in Gentoo

[zeland]

I'm currently evaluating Gentoo for a new server of mine. In order to have flexible disk allocation, I'm trying have all my partitions as logical volumes except /boot and swap. I've built lvm support directly into the kernel. During boot up however, I get a VFS: Cannot open root device "vg00/lv00" or unknown-block(0,0) followed by a kernel panic. I thought it might help to have an initrd but was unable to do so because the command mkinitrd does not exist.


--== Anything can go wrong. It's just a matter of how far wrong it will go till people think its right. ==--

 

[danomac]

I am running lvm2 built in to the 2.6 kernel. I do not however have root mounted as a logical volume.

Did you try looking at the docs @

http://www.gentoo.org?

I recall them not recommending using a logical volume for root, but they may have had links to other docs for how to do it.

 

[rzs0502]

Check:

http://forums.gentoo.org/viewtopic.php?t=1897&highlight=root+raid+lvm

I'm a Slackware user and it process is similar.
(I found it too much of an effort and stuck with the traditional installation

PS. IBM also have a nice guide

http://www-106.ibm.com/developerworks/linux/library/l-lvm/index.html

"If you always do what you've always done, you will always be where you've always been."