Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-16 Thread Peter Humphrey
On Saturday 15 August 2015 12:03:32 I wrote: It looks as though Neil has hit the nail on the head. It turns out that the kernel command line has to specify either the label or the UUID of the root partition. I prefer the more legible label, thus: menuentry 'Gentoo Linux 4.0.5' { linux

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-15 Thread Bruce Schultz
On 15 August 2015 8:54:56 AM AEST, Peter Humphrey pe...@prh.myzen.co.uk wrote: # cat /boot/grub/grub.cfg root (hd0,1) timeout 10 Menuentry 'Gentoo Linux 4.0.5, no X { linux /boot/kernel-x86_64-4.0.5-gentoo root=/dev/sda4 softlevel=nox net.ifnames-0 I presume the -0 is a typo. Should be

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-15 Thread Peter Humphrey
On Saturday 15 August 2015 20:46:32 Bruce Schultz wrote: On 15 August 2015 8:54:56 AM AEST, Peter Humphrey pe...@prh.myzen.co.uk wrote: # cat /boot/grub/grub.cfg root (hd0,1) timeout 10 Menuentry 'Gentoo Linux 4.0.5, no X { linux /boot/kernel-x86_64-4.0.5-gentoo root=/dev/sda4

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-15 Thread Peter Humphrey
On Saturday 15 August 2015 04:15:37 Neil Bothwick wrote: On Fri, 14 Aug 2015 23:54:56 +0100, Peter Humphrey wrote: # cat /boot/grub/grub.cfg root (hd0,1) timeout 10 Menuentry 'Gentoo Linux 4.0.5, no X { linux /boot/kernel-x86_64-4.0.5-gentoo root=/dev/sda4 softlevel=nox

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Peter Humphrey
On Friday 14 August 2015 09:54:33 I wrote: On Friday 07 August 2015 09:49:24 I wrote: I'll let you know when I've finished building the VM and tried to boot it. Thanks for your help. I have now followed Rich's procedure to build the VM, and it does boot - once! After that, on every

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Peter Humphrey
On Friday 07 August 2015 08:18:40 Rich Freeman wrote: On Fri, Aug 7, 2015 at 7:39 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Yes, I remember about your rescue ISO. I may do the same once I work out how to incorporate my own customisations into it. Maybe that should be the first thing

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Peter Humphrey
On Friday 07 August 2015 09:49:24 I wrote: I'll let you know when I've finished building the VM and tried to boot it. Thanks for your help. I have now followed Rich's procedure to build the VM, and it does boot - once! After that, on every boot it complains failed to read the system array and

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Jeremi Piotrowski
On Fri, 14 Aug 2015, Peter Humphrey wrote: I have now followed Rich's procedure to build the VM, and it does boot - once! After that, on every boot it complains failed to read the system array and Any idea what you did between the first boot and the second one? An internet search

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Peter Humphrey
On Friday 14 August 2015 17:01:11 Jeremi Piotrowski wrote: On Fri, 14 Aug 2015, Peter Humphrey wrote: I have now followed Rich's procedure to build the VM, and it does boot - once! After that, on every boot it complains failed to read the system array and Any idea what you did

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-14 Thread Neil Bothwick
On Fri, 14 Aug 2015 23:54:56 +0100, Peter Humphrey wrote: # cat /boot/grub/grub.cfg root (hd0,1) timeout 10 Menuentry 'Gentoo Linux 4.0.5, no X { linux /boot/kernel-x86_64-4.0.5-gentoo root=/dev/sda4 softlevel=nox net.ifnames-0 initrd /boot/initramfs-4.0.5-gentoo.img } Is

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Neil Bothwick
On Fri, 7 Aug 2015 09:29:32 -0400, Rich Freeman wrote: Now you know why I boot directly from the ISO in /boot ;-) That is obviously a convenience, but my main use case for a rescue CD is when there is something messed up with my bootloader/disks/etc. So, I'd prefer to have it on a USB stick

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Neil Bothwick
On Fri, 7 Aug 2015 08:18:40 -0400, Rich Freeman wrote: So, if you have a USB stick that won't boot, consider that the problem may actually lie in your BIOS... Now you know why I boot directly from the ISO in /boot ;-) -- Neil Bothwick Roses are red, violets are blue; I'm schizophrenic and

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Rich Freeman
On Fri, Aug 7, 2015 at 9:13 AM, Neil Bothwick n...@digimed.co.uk wrote: On Fri, 7 Aug 2015 08:18:40 -0400, Rich Freeman wrote: So, if you have a USB stick that won't boot, consider that the problem may actually lie in your BIOS... Now you know why I boot directly from the ISO in /boot ;-)

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Peter Humphrey
On Thursday 06 August 2015 12:09:20 Jeremi Piotrowski wrote: On Thu, 6 Aug 2015, Peter Humphrey wrote: First, btrfs balance. I had no idea that was needed, so of course I didn't include it in my attempts. Could that be why, on booting, the kernel couldn't mount the file system? I don't

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Neil Bothwick
On Fri, 07 Aug 2015 09:49:24 +0100, Peter Humphrey wrote: Yep, but as stated by Rich there isn't much to a btrfs raid 1 install aside from mkfs.btrfs, building btrfs support into the kernel, the slightly different fstab entry, and using an initramfs (dracut makes it easy). The

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Peter Humphrey
On Friday 07 August 2015 10:48:02 Neil Bothwick wrote: On Fri, 07 Aug 2015 09:49:24 +0100, Peter Humphrey wrote: Yep, but as stated by Rich there isn't much to a btrfs raid 1 install aside from mkfs.btrfs, building btrfs support into the kernel, the slightly different fstab entry, and

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-07 Thread Rich Freeman
On Fri, Aug 7, 2015 at 7:39 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Yes, I remember about your rescue ISO. I may do the same once I work out how to incorporate my own customisations into it. Maybe that should be the first thing to do. I have a USB stick like that, but it refuses to

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-06 Thread Stefan G. Weichinger
Am 2015-08-06 um 13:18 schrieb Rich Freeman: It isn't necessarily essential, but btrfs fi df /mnt/gentoo will show you that before the balance there are still some chunks in single mode - it seems like mkfs creates the first device and adds the second one, leaving some residual non-RAID

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-06 Thread Jeremi Piotrowski
On Thu, 6 Aug 2015, Peter Humphrey wrote: First, btrfs balance. I had no idea that was needed, so of course I didn't include it in my attempts. Could that be why, on booting, the kernel couldn't mount the file system? I don't think that balancing an empty btrfs filesystem is necessary. It

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-06 Thread Peter Humphrey
On Thursday 06 August 2015 12:09:20 Jeremi Piotrowski wrote: On Thu, 6 Aug 2015, Peter Humphrey wrote: First, btrfs balance. I had no idea that was needed, so of course I didn't include it in my attempts. Could that be why, on booting, the kernel couldn't mount the file system? I don't

Re: [gentoo-user] Installing BTRFS on MBR with OpenRC

2015-08-06 Thread Rich Freeman
I'll skip the bits that were already dealt with. On Thu, Aug 6, 2015 at 5:19 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: First, btrfs balance. I had no idea that was needed, so of course I didn't include it in my attempts. Could that be why, on booting, the kernel couldn't mount the file