Re: questions about GRUB and BTRFS

2009-04-21 Thread David Woodhouse
On Wed, 2009-02-25 at 15:22 -0500, Chris Mason wrote: This suggests another question for me... right now you can specify a root= command line to the kernel, though there's other stuff like nfsroot= where more parameters are needed. Is it possible to add a btrfsroot= option with a

Re: questions about GRUB and BTRFS

2009-02-25 Thread Thomas Kuther
On Mi, 25.02.09 01:03 Lee Trager l...@cs.drexel.edu wrote: I'm not sure when we should start developing BTRFS support for GRUB but I do agree that it will be very difficult to support all the features of BTRFS. As far as I know GRUB does not support LVM and only supports RAID1. Doing this

Re: questions about GRUB and BTRFS

2009-02-25 Thread Chris Mason
have some questions about GRUB + BTRFS: So, I haven't looked very hard at the grub code, and expected to start the btrfs grub support with something very minimal (single device only configs). -With GRUB booting, it's easy to think of awkward use cases and limitations unless it's capable

Re: questions about GRUB and BTRFS

2009-02-25 Thread Anthony Roberts
Hi Chris, Cheers for the informative response. :) In the ideal implementation, the grub.conf has a list of devices it is allowed to scan, and we put the FS uuid directly in there, let grub scan them and we'll be able to boot off multiple volumes in that way. Hm... perhaps it doesn't even

Re: questions about GRUB and BTRFS

2009-02-25 Thread Chris Mason
On Wed, 2009-02-25 at 13:04 -0700, Anthony Roberts wrote: Hi Chris, Cheers for the informative response. :) In the ideal implementation, the grub.conf has a list of devices it is allowed to scan, and we put the FS uuid directly in there, let grub scan them and we'll be able to boot off

questions about GRUB and BTRFS

2009-02-24 Thread Anthony Roberts
Hi, A quick googling turns up posts that GRUB support for BTRFS is planned. My curiosity is more towards how this will be managed, because the way this is currently implemented with software RAID/LVM is quite haphazard. I therefore have some questions about GRUB + BTRFS: -With GRUB booting, it's

Re: questions about GRUB and BTRFS

2009-02-24 Thread Dmitri Nikulin
is quite haphazard. I therefore have some questions about GRUB + BTRFS: IANAGD (I Am Not A GRUB Developer), but I'll post some intuitive respones. -With GRUB booting, it's easy to think of awkward use cases and limitations unless it's capable of discovering BTRFS instances, and can boot

Re: questions about GRUB and BTRFS

2009-02-24 Thread Lee Trager
wrote: Hi, A quick googling turns up posts that GRUB support for BTRFS is planned. My curiosity is more towards how this will be managed, because the way this is currently implemented with software RAID/LVM is quite haphazard. I therefore have some questions about GRUB + BTRFS: IANAGD