Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Josef Bacik josef at toxicpanda.com writes: ... We aren't aiming for hopefully stable, we're aiming for actually stable and reasonably safe. If we don't meet certain basic requirements no switch will be made and everything will carry on as normal. I'm not trying to shove Btrfs down

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Ric Wheeler
On 07/14/2011 08:28 AM, JB wrote: Josef Bacikjosefat toxicpanda.com writes: ... We aren't aiming for hopefully stable, we're aiming for actually stable and reasonably safe. If we don't meet certain basic requirements no switch will be made and everything will carry on as normal. I'm not

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Ric Wheeler rwheeler at redhat.com writes: ... Given that my family is from the hills of eastern Kentucky, I also find the hill billie comment off putting. ... Ric, no offense ... injecting Kentucky hills was misguided ... I happened to visit the state few times and was impressed with how

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Martin Langhoff
On Thu, Jul 14, 2011 at 4:50 AM, JB jb.1234a...@gmail.com wrote: I have difficulty swallowing the fact that there are so many Red Hat, Oracle, and other famous technology names involved (officially or dev's private contributions) in development of BTRFS, and at the same time they practice such

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Ric Wheeler
On 07/14/2011 09:50 AM, JB wrote: Ric Wheelerrwheelerat redhat.com writes: ... Given that my family is from the hills of eastern Kentucky, I also find the hill billie comment off putting. ... Ric, no offense ... injecting Kentucky hills was misguided ... I happened to visit the state

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Matej Cepl
Dne 14.7.2011 09:28, JB napsal(a): The original b-tree algorithm was a result of an academic study, formulation, and empirical testing, and was subjected to scientific scrutiny. Ehm, I don't claim to have any deep knowledge on the matter, but I have here B-trees explained in Wirth (1975), and

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Martin Langhoff martin.langhoff at gmail.com writes: On Thu, Jul 14, 2011 at 4:50 AM, JB jb.1234abcd at gmail.com wrote: I have difficulty swallowing the fact that there are so many Red Hat, Oracle, and other famous technology names involved (officially or dev's private contributions)

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Richard W.M. Jones
Good timing! I have a related BTRFS / Fedora 16 question. I have used the btrfs Anaconda option, and I get btrfs appearing as a choice in the menus. However if I just change the root filesystem to btrfs, then I would get: /boot /dev/sda2 PV VG

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Matej Cepl mcepl at redhat.com writes: Dne 14.7.2011 09:28, JB napsal(a): The original b-tree algorithm was a result of an academic study, formulation, and empirical testing, and was subjected to scientific scrutiny. Ehm, I don't claim to have any deep knowledge on the matter, but I

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Ric Wheeler rwheeler at redhat.com writes: ... I think that it would be really rare to see pristine, academic algorithms implemented exactly as a non-coding mathematician designed them in code :) ... Well, not convinced ... :-) The algorithm has to be taken holisticly - it has been

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Ric Wheeler
On 07/14/2011 11:08 AM, JB wrote: Ric Wheelerrwheelerat redhat.com writes: ... I think that it would be really rare to see pristine, academic algorithms implemented exactly as a non-coding mathematician designed them in code :) ... Well, not convinced ... :-) The algorithm has to be

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Jóhann B. Guðmundsson
On 07/14/2011 01:07 AM, Josef Bacik wrote: On Wed, Jul 13, 2011 at 5:59 PM, Reindl Haraldh.rei...@thelounge.net wrote: Am 13.07.2011 23:54, schrieb Michael Cronenworth: Farkas Levente wrote: snip That's not the case at all, I'm not sure where you are getting that. If we don't have a

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Genes MailLists
I think RAID-5 support would be reasonably important to have too ... I dont think we want to have raid on top of btrfs ... right? Ric - what is the current status of RAID-5 ? -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Thu, Jul 14, 2011 at 5:22 AM, Richard W.M. Jones rjo...@redhat.com wrote: Good timing!  I have a related BTRFS / Fedora 16 question. I have used the btrfs Anaconda option, and I get btrfs appearing as a choice in the menus.  However if I just change the root filesystem to btrfs, then I

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Thu, Jul 14, 2011 at 6:08 AM, JB jb.1234a...@gmail.com wrote: Ric Wheeler rwheeler at redhat.com writes: ... I think that it would be really rare to see pristine, academic algorithms implemented exactly as a non-coding mathematician designed them in code :) ... Well, not convinced ...

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Matthew Garrett
On Thu, Jul 14, 2011 at 10:22:17AM +0100, Richard W.M. Jones wrote: Is this how F16 will be set up? The Feature page[1] suggests that LVM will be turned off by default, in which case it should look more like: That would involve changes to Anaconda, and as far as I know there's nobody

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Thu, Jul 14, 2011 at 9:08 AM, Genes MailLists li...@sapience.com wrote:  I think RAID-5 support would be reasonably important to have too ... I dont think we want to have raid on top of btrfs ... right?  Ric - what is the current status of RAID-5 ? This requires some other big changes

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Richard W.M. Jones
On Thu, Jul 14, 2011 at 09:13:56AM -0400, Josef Bacik wrote: Well it should be more like /boot/dev/sda1 swap/dev/sda2 btrfs Maybe I don't understand this. Is btrfs on /dev/sda3, or are the swap and root filesystems somehow combined on /dev/sda2? And if the latter, how does one do

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Ric Wheeler
On 07/14/2011 03:03 PM, Richard W.M. Jones wrote: On Thu, Jul 14, 2011 at 09:13:56AM -0400, Josef Bacik wrote: Well it should be more like /boot/dev/sda1 swap/dev/sda2 btrfs Maybe I don't understand this. Is btrfs on /dev/sda3, or are the swap and root filesystems somehow combined

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Richard W.M. Jones
On Thu, Jul 14, 2011 at 03:06:33PM +0100, Ric Wheeler wrote: On 07/14/2011 03:03 PM, Richard W.M. Jones wrote: On Thu, Jul 14, 2011 at 09:13:56AM -0400, Josef Bacik wrote: Well it should be more like /boot/dev/sda1 swap/dev/sda2 btrfs Maybe I don't understand this. Is btrfs on

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Ric Wheeler
On 07/14/2011 02:54 PM, Josef Bacik wrote: On Thu, Jul 14, 2011 at 9:08 AM, Genes MailListsli...@sapience.com wrote: I think RAID-5 support would be reasonably important to have too ... I dont think we want to have raid on top of btrfs ... right? Ric - what is the current status of

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Reindl Harald
Am 14.07.2011 03:57, schrieb Eric Sandeen: bleeeding edge / modern technology is not the same as dangerous defaults unstable / unfinsihed packages should never be default in GA nor replace existing and over a long time well working things - never! You might have said the same thing about

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Genes MailLists
On 07/14/2011 10:17 AM, Ric Wheeler wrote: On 07/14/2011 02:54 PM, Josef Bacik wrote: On Thu, Jul 14, 2011 at 9:08 AM, Genes MailListsli...@sapience.com wrote: I think RAID-5 support would be reasonably important to have too ... I dont think we want to have raid on top of btrfs ... right?

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Thu, Jul 14, 2011 at 10:33 AM, Genes MailLists li...@sapience.com wrote: On 07/14/2011 10:17 AM, Ric Wheeler wrote: On 07/14/2011 02:54 PM, Josef Bacik wrote: On Thu, Jul 14, 2011 at 9:08 AM, Genes MailListsli...@sapience.com  wrote:   I think RAID-5 support would be reasonably important

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Wed, Jul 13, 2011 at 10:06 PM, Reindl Harald h.rei...@thelounge.net wrote: Am 14.07.2011 03:57, schrieb Eric Sandeen: bleeeding edge / modern technology is not the same as dangerous defaults unstable / unfinsihed packages should never be default in GA nor replace existing and over a long

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Eric Sandeen
On 7/13/11 9:06 PM, Reindl Harald wrote: Am 14.07.2011 03:57, schrieb Eric Sandeen: bleeeding edge / modern technology is not the same as dangerous defaults unstable / unfinsihed packages should never be default in GA nor replace existing and over a long time well working things - never!

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Josef Bacik josef at toxicpanda.com writes: ... I've already said that if it's not in good shape by Alpha the switch won't even be made, so quit your bitching. Josef Josef, would it be possible, BEFORE (in case that) you decide to switch on before Alpha, to present some test suite

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Eric Sandeen
On 7/14/11 10:21 AM, JB wrote: Josef Bacik josef at toxicpanda.com writes: ... I've already said that if it's not in good shape by Alpha the switch won't even be made, so quit your bitching. Josef Josef, would it be possible, BEFORE (in case that) you decide to switch on before

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Josef Bacik
On Thu, Jul 14, 2011 at 11:21 AM, JB jb.1234a...@gmail.com wrote: Josef Bacik josef at toxicpanda.com writes: ... I've already said that if it's not in good shape by Alpha the switch won't even be made, so quit your bitching. Josef Josef, would it be possible, BEFORE (in case that) you

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Genes MailLists
On 07/14/2011 10:59 AM, Josef Bacik wrote: Another (Q) - once the format changes, will there be tools to change the online format of existing filesystems - or will we need to delete and start fresh ? All format changes happen automatically (usually with a mount option so as not to

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Genes MailLists
On 07/14/2011 11:12 AM, Eric Sandeen wrote: Something tells me if btrfs had been called ext5 people would just nod their heads and move on. ;) Heh ... like this ... Its not too late is it :-) How about ext5-btrfs - and high level user space tools can shorten it to ext5 :-) -- devel

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Martin Langhoff
On Thu, Jul 14, 2011 at 5:10 AM, JB jb.1234a...@gmail.com wrote: Well, then you have to read the thread more carefully before you bark back - right in the first OP's post you have references, e.g. https://lkml.org/lkml/2010/6/18/144 Heh - now that you provide links it's better... anyway,

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Josef Bacik josef at toxicpanda.com writes: ... We've reached the point where we really need wider user testing, because no amount of testing we do will ever be able to match up to the crazy things users do. Please understand - convincing people (technical and non-technical) to install a

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Bryn M. Reeves
On 07/14/2011 05:26 PM, JB wrote: Now just a loud thinking ... Have you thought about first preparing a CD (even a live CD) with BTRFS and some extra preinstalled software like VirtualBox etc just for testing ? What, you mean like the live and non-live Fedora ISOs that have had btrfs support

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Bryn M. Reeves bmr at redhat.com writes: On 07/14/2011 05:26 PM, JB wrote: Now just a loud thinking ... Have you thought about first preparing a CD (even a live CD) with BTRFS and some extra preinstalled software like VirtualBox etc just for testing ? What, you mean like the live and

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Bryn M. Reeves
On 07/14/2011 05:48 PM, JB wrote: Good. Perhaps a weekly snapshot CD, with the latest BTRFS and related utils, so that the testing would be more up-to-date and meaningful. JB http://alt.fedoraproject.org/pub/alt/nightly-composes/ Regards, Bryn. -- devel mailing list

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread John Dulaney
 On Wed, Jul 13, 2011 at 10:06 PM, Reindl Harald wrote:       Am 14.07.2011 03:57, schrieb Eric Sandeen:   bleeeding edge / modern technology is not the same as dangerous defaults   unstable / unfinsihed packages should never be default in GA nor replace   existing and over a long time well

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Bryn M. Reeves bmr at redhat.com writes: On 07/14/2011 05:48 PM, JB wrote: Good. Perhaps a weekly snapshot CD, with the latest BTRFS and related utils, so that the testing would be more up-to-date and meaningful. JB http://alt.fedoraproject.org/pub/alt/nightly-composes/ Regards,

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Michael Cronenworth
On 07/14/2011 12:31 PM, JB wrote: OK. Post every week on user, testers, and devel lists: - BTRFS testing reminder - BTRFS info (short notes; entries; pointers to any info, info/man pages) - test instructions - a link where to obtain latest Fedora snapshot/nightly live composes with

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Michael Cronenworth mike at cchtml.com writes: ... If you're that concerned about the quality of Fedora 16 then I would suggest you join the test list, become a proventester, and attend QA meetings. (Ranting on this list and making demands won't make it happen.)I am not ranting I am

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Bernd Stramm
On Thu, 14 Jul 2011 17:31:44 + (UTC) JB jb.1234a...@gmail.com wrote: Bryn M. Reeves bmr at redhat.com writes: On 07/14/2011 05:48 PM, JB wrote: Good. Perhaps a weekly snapshot CD, with the latest BTRFS and related utils, so that the testing would be more up-to-date and

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Bernd Stramm bernd.stramm at gmail.com writes: ... Would you help out with testing if given these specific instructions? If not yourself, who would actually do this? ... I am only suggesting a mini form of so called user testing (that's what it is called and practised in a software

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Bernd Stramm
On Thu, 14 Jul 2011 18:09:53 + (UTC) JB jb.1234a...@gmail.com wrote: Bernd Stramm bernd.stramm at gmail.com writes: ... Would you help out with testing if given these specific instructions? If not yourself, who would actually do this? ... I am only suggesting a mini form of so

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Bernd Stramm bernd.stramm at gmail.com writes: ... Try it and see the results. Perhaps it will work But that is my point - you are not willing to do any part of this yourself. You are only instructing others to do specific work. I am not instructing anybody. I am suggesting things. I

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Paul W. Frields
On Thu, Jul 14, 2011 at 01:06:45PM -0400, John Dulaney wrote:  On Wed, Jul 13, 2011 at 10:06 PM, Reindl Harald wrote:       Am 14.07.2011 03:57, schrieb Eric Sandeen:   bleeeding edge / modern technology is not the same as dangerous defaults   unstable / unfinsihed packages should never be

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Adam Jackson
On Thu, 2011-07-14 at 17:49 +, JB wrote: I am just suggesting how the devs can reach their audience and communicate with them for a mutual benefit. http://en.wikipedia.org/wiki/Teaching_grandmother_to_suck_eggs - ajax signature.asc Description: This is a digitally signed message part --

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread JB
Adam Jackson ajax at redhat.com writes: On Thu, 2011-07-14 at 17:49 +, JB wrote: I am just suggesting how the devs can reach their audience and communicate with them for a mutual benefit. http://en.wikipedia.org/wiki/Teaching_grandmother_to_suck_eggs - ajax Well, I woke up

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Adam Williamson
On Thu, 2011-07-14 at 16:48 +, JB wrote: Bryn M. Reeves bmr at redhat.com writes: On 07/14/2011 05:26 PM, JB wrote: Now just a loud thinking ... Have you thought about first preparing a CD (even a live CD) with BTRFS and some extra preinstalled software like VirtualBox etc

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-14 Thread Adam Williamson
On Thu, 2011-07-14 at 12:36 -0500, Michael Cronenworth wrote: On 07/14/2011 12:31 PM, JB wrote: OK. Post every week on user, testers, and devel lists: - BTRFS testing reminder - BTRFS info (short notes; entries; pointers to any info, info/man pages) - test instructions - a link

BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Manuel Escudero
Today I'll be switching from BTRFS to Ext4 again because of the troubles I've been having with the New Linux Filesystem. As BTRFS is going to be the Default in F16 I wanted the developers to know what kind of troubles I've been experiencing with this FS in F15 so they can take a look at them in

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Josef Bacik
On Wed, Jul 13, 2011 at 4:53 PM, Manuel Escudero jmlev...@gmail.com wrote: Today I'll be switching from BTRFS to Ext4 again because of the troubles I've been having with the New Linux Filesystem. As BTRFS is going to be the Default in F16 I wanted the developers to know what kind of troubles

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Manuel Escudero
2011/7/13 Josef Bacik jo...@toxicpanda.com On Wed, Jul 13, 2011 at 4:53 PM, Manuel Escudero jmlev...@gmail.com wrote: Today I'll be switching from BTRFS to Ext4 again because of the troubles I've been having with the New Linux Filesystem. As BTRFS is going to be the Default in F16 I

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Farkas Levente
On 07/13/2011 11:14 PM, Josef Bacik wrote: On Wed, Jul 13, 2011 at 4:53 PM, Manuel Escudero jmlev...@gmail.com wrote: Today I'll be switching from BTRFS to Ext4 again because of the troubles I've been having with the New Linux Filesystem. As BTRFS is going to be the Default in F16 I wanted

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Michael Cronenworth
Farkas Levente wrote: if you said that this's the current state of btrfs than it's not ready as a default fs for f16. so please postpone it at least to f17. If f16 gets kernel 3.1 (or backported stuff into 3.0), IMHO there is no reason to slip it one release. -- devel mailing list

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Bruno Wolff III
On Wed, Jul 13, 2011 at 16:54:44 -0500, Michael Cronenworth m...@cchtml.com wrote: Farkas Levente wrote: if you said that this's the current state of btrfs than it's not ready as a default fs for f16. so please postpone it at least to f17. If f16 gets kernel 3.1 (or backported stuff into

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Reindl Harald
Am 13.07.2011 23:51, schrieb Farkas Levente: So there's my long ass explanation of why VMs on Btrfs suck. I'm sorry, I'm aware of the problem and I'm trying to fix it, but it's a slow going process. if you said that this's the current state of btrfs than it's not ready as a default fs for

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Reindl Harald
Am 13.07.2011 23:54, schrieb Michael Cronenworth: Farkas Levente wrote: if you said that this's the current state of btrfs than it's not ready as a default fs for f16. so please postpone it at least to f17. If f16 gets kernel 3.1 (or backported stuff into 3.0), IMHO there is no reason to

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Josef Bacik
On Wed, Jul 13, 2011 at 5:59 PM, Reindl Harald h.rei...@thelounge.net wrote: Am 13.07.2011 23:54, schrieb Michael Cronenworth: Farkas Levente wrote: if you said that this's the current state of btrfs than it's not ready as a default fs for f16. so please postpone it at least to f17. If f16

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Eric Sandeen
On 7/13/11 4:55 PM, Reindl Harald wrote: Am 13.07.2011 23:51, schrieb Farkas Levente: So there's my long ass explanation of why VMs on Btrfs suck. I'm sorry, I'm aware of the problem and I'm trying to fix it, but it's a slow going process. if you said that this's the current state of btrfs

Re: BTRFS: The Good, The Bad and The Ugly

2011-07-13 Thread Manuel Escudero
2011/7/13 Eric Sandeen sand...@redhat.com On 7/13/11 4:55 PM, Reindl Harald wrote: Am 13.07.2011 23:51, schrieb Farkas Levente: So there's my long ass explanation of why VMs on Btrfs suck. I'm sorry, I'm aware of the problem and I'm trying to fix it, but it's a slow going process.