Re: Porting libumem (was Re: Is anyone working on a port of ZFS to FreeBSD)

2006-06-03 Thread pfgshield-freebsd
--- Giorgos Keramidas <[EMAIL PROTECTED]> ha scritto: 
...
> 
> It may still be worth trying.  I only started looking at `umem' from
> sourceforge this week, but if there is more interest in ptmalloc,
> maybe it is better if I focused on why ptmalloc fails to work on
> FreeBSD.
> 

FWIW, I just submitted an update to ptmalloc as a followup to ports/95179. I'm
still more interested in libumem though :).

Pedro.

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Re: Porting libumem (was Re: Is anyone working on a port of ZFS to FreeBSD)

2006-06-03 Thread Giorgos Keramidas
On 2006-06-02 16:44, Jason Evans <[EMAIL PROTECTED]> wrote:
>[EMAIL PROTECTED] wrote:
>> IMHO, and purely as constructive criticism, Jason's article
>> would've been much more interesting if he had tested ptmalloc (in
>> the ports tree) and we had had libumem.
>
> Yes, that would have been nice, but when I tried to use ptmalloc, it
> failed to work correctly.  I don't remember the details anymore, but
> ISTR there was something wrong with the ptmalloc port that I didn't
> have the time to fix.

It may still be worth trying.  I only started looking at `umem' from
sourceforge this week, but if there is more interest in ptmalloc,
maybe it is better if I focused on why ptmalloc fails to work on
FreeBSD.

- Giorgos

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Re: Porting libumem (was Re: Is anyone working on a port of ZFS to FreeBSD)

2006-06-02 Thread Jason Evans

[EMAIL PROTECTED] wrote:

IMHO, and purely as constructive criticism, Jason's article would've been much
more interesting if he had tested ptmalloc (in the ports tree) and we had had
libumem.


Yes, that would have been nice, but when I tried to use ptmalloc, it 
failed to work correctly.  I don't remember the details anymore, but 
ISTR there was something wrong with the ptmalloc port that I didn't have 
the time to fix.


Jason
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Porting libumem (was Re: Is anyone working on a port of ZFS to FreeBSD)

2006-06-01 Thread pfgshield-freebsd
--- Giorgos Keramidas <[EMAIL PROTECTED]> ha scritto: 

> On 2006-06-01 03:41, [EMAIL PROTECTED] wrote:
> > FWIW, I'd also like to see libumem ported.
> 
> Me too.
> 
> I have been toying with the idea of consulting Jason Evans about
> this for a while now.  If something like this starts, are you
> willing to help with the port?
> 

Such a project was started (for linux at least)
http://sourceforge.net/projects/umem

I don't have time right now, but yes I'd like to help. I'd surely like to see
libumem in the ports tree. 

IMHO, and purely as constructive criticism, Jason's article would've been much
more interesting if he had tested ptmalloc (in the ports tree) and we had had
libumem.

Pedro.






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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread Joseph Scott


On Jun 1, 2006, at 9:50 AM, Robert Watson wrote:



On Thu, 1 Jun 2006, Eric Anderson wrote:

Agreed it would be.  I'd love to see it (I'm an advocate for as  
many filesystems available as possible actually).


So, the real question is, who's going to volunteer to start  
actually porting it?


People interested in volunteering can expect lots of help and  
interest, but should go into it knowing that it's a highly complex  
multi man year project, and definitely not a summer project or  
"free weekends" sort of thing.  I'm happy to be proven wrong on  
that point, but it would be dishonest for me to suggest it will be  
easy.  :-)



I thought that I'd mentioned this on this list a few days ago, but  
there is a SoC project to port ZFS to FUSE.  The person doing the  
work is specifically targeting Linux for this, but since we already  
have FUSE running on FreeBSD it seems like a pretty good way to at  
least get something working (assuming the SoC project completes).


Jeff Bonwick's blog about it: http://blogs.sun.com/roller/page/ 
bonwick?entry=zfs_on_fuse_linux

ZFS on FUSE blog: http://zfs-on-fuse.blogspot.com/
ZFS on FUSE website/wiki: http://www.wizy.org/wiki/ZFS_on_FUSE

I doubt that I'd be any help making the code work, but I certainly  
like to see this make to FreeBSD is possible.  If there are other  
things that I can do to help then I'd be open to suggestions.


--
Joseph Scott
http://joseph.randomnetworks.com
[EMAIL PROTECTED]



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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread Robert Watson


On Thu, 1 Jun 2006, Eric Anderson wrote:

Agreed it would be.  I'd love to see it (I'm an advocate for as many 
filesystems available as possible actually).


So, the real question is, who's going to volunteer to start actually porting 
it?


People interested in volunteering can expect lots of help and interest, but 
should go into it knowing that it's a highly complex multi man year project, 
and definitely not a summer project or "free weekends" sort of thing.  I'm 
happy to be proven wrong on that point, but it would be dishonest for me to 
suggest it will be easy.  :-)


Robert N M Watson
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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread Giorgos Keramidas
On 2006-06-01 03:41, [EMAIL PROTECTED] wrote:
> FWIW, I'd also like to see libumem ported.

Me too.

I have been toying with the idea of consulting Jason Evans about
this for a while now.  If something like this starts, are you
willing to help with the port?

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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread Eric Anderson

Iantcho Vassilev wrote:

On 6/1/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:



--- Eric Anderson <[EMAIL PROTECTED]> ha scritto:

>
> I realize how hard getting write support for one of those is, for
> certain.You'd still have to go through the labor with ZFS though,
> unless you are talking about read-only support for it.  I don't know
> much about licensing stuff...
>

Well ... one thing we can't underestimate is that SUN would actually like
a
port (noticed all the good PR for them Dtrace for FreeBSD has brought?)
and is
willing to cooperate: not coding but at least saying what to do,
explaining the
code, etc. Reiser doesn't care and SGI is clearly busy with other 
problems

and
hasn't really cared at all either.

cheers,

Pedro.

> > NetBSD has a Journalling Google SoC, definitely interesting if they
get
> far.
> >
> > Pedro.
>
> We did too last year, but it didn't complete.  I think Scott Long is
> back looking at it again (I've seen some hints of life in the p4 repo).
>
>
> Eric
>




I vote for ZFS as well... The argument  by Pedro are more than true..and
also ZFS is an incredible filesystem. It would be a SUPER SUPER step to 
have

it on FreeBSD.

Iantcho



Agreed it would be.  I'd love to see it (I'm an advocate for as many 
filesystems available as possible actually).


So, the real question is, who's going to volunteer to start actually 
porting it?



Eric



--

Eric AndersonSr. Systems AdministratorCentaur Technology
Anything that works is better than anything that doesn't.

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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread Iantcho Vassilev

On 6/1/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:



--- Eric Anderson <[EMAIL PROTECTED]> ha scritto:

>
> I realize how hard getting write support for one of those is, for
> certain.You'd still have to go through the labor with ZFS though,
> unless you are talking about read-only support for it.  I don't know
> much about licensing stuff...
>

Well ... one thing we can't underestimate is that SUN would actually like
a
port (noticed all the good PR for them Dtrace for FreeBSD has brought?)
and is
willing to cooperate: not coding but at least saying what to do,
explaining the
code, etc. Reiser doesn't care and SGI is clearly busy with other problems
and
hasn't really cared at all either.

cheers,

Pedro.

> > NetBSD has a Journalling Google SoC, definitely interesting if they
get
> far.
> >
> > Pedro.
>
> We did too last year, but it didn't complete.  I think Scott Long is
> back looking at it again (I've seen some hints of life in the p4 repo).
>
>
> Eric
>




I vote for ZFS as well... The argument  by Pedro are more than true..and
also ZFS is an incredible filesystem. It would be a SUPER SUPER step to have
it on FreeBSD.

Iantcho
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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread pfgshield-freebsd

--- Eric Anderson <[EMAIL PROTECTED]> ha scritto: 

> 
> I realize how hard getting write support for one of those is, for 
> certain.You'd still have to go through the labor with ZFS though, 
> unless you are talking about read-only support for it.  I don't know 
> much about licensing stuff...
>

Well ... one thing we can't underestimate is that SUN would actually like a
port (noticed all the good PR for them Dtrace for FreeBSD has brought?) and is
willing to cooperate: not coding but at least saying what to do, explaining the
code, etc. Reiser doesn't care and SGI is clearly busy with other problems and
hasn't really cared at all either.
 
cheers,

Pedro.
 
> > NetBSD has a Journalling Google SoC, definitely interesting if they get
> far.
> > 
> > Pedro.
> 
> We did too last year, but it didn't complete.  I think Scott Long is 
> back looking at it again (I've seen some hints of life in the p4 repo).
> 
> 
> Eric
> 
> 
> 
> -- 
> 
> Eric AndersonSr. Systems AdministratorCentaur Technology
> Anything that works is better than anything that doesn't.
> 
> 


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Re: Is anyone working on a port of ZFS to FreeBSD

2006-06-01 Thread pfgshield-freebsd

--- Eric Anderson <[EMAIL PROTECTED]> ha scritto: 

...
> 
> 
> ZFS surely is cool, but I'm not sure how much it benefits FreeBSD 
> compared to something like journaling, or adding features to our 
> existing filesystem, or even write support for one of the already ported 
> read-only filesystems we have (like XFS, or reiserfs).
> 

I'm afraid adding write support to XFS or reiserfs is not easy, and then
there's the license issue. ZFS might not have the best license either but we
can work with it. Apple's updated HFS license is also something that could be
worked with but Apple is interested in ZFS too so it must have something
interesting ;-).

NetBSD has a Journalling Google SoC, definitely interesting if they get far.

Pedro.


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Re: Is anyone working on a port of ZFS to FreeBSD

2006-05-31 Thread Eric Anderson

[EMAIL PROTECTED] wrote:
--- Eric Anderson <[EMAIL PROTECTED]> ha scritto: 


...


ZFS surely is cool, but I'm not sure how much it benefits FreeBSD 
compared to something like journaling, or adding features to our 
existing filesystem, or even write support for one of the already ported 
read-only filesystems we have (like XFS, or reiserfs).




I'm afraid adding write support to XFS or reiserfs is not easy, and then
there's the license issue. ZFS might not have the best license either but we
can work with it. Apple's updated HFS license is also something that could be
worked with but Apple is interested in ZFS too so it must have something
interesting ;-).


I realize how hard getting write support for one of those is, for 
certain.You'd still have to go through the labor with ZFS though, 
unless you are talking about read-only support for it.  I don't know 
much about licensing stuff...



NetBSD has a Journalling Google SoC, definitely interesting if they get far.

Pedro.


We did too last year, but it didn't complete.  I think Scott Long is 
back looking at it again (I've seen some hints of life in the p4 repo).



Eric



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Re: Is anyone working on a port of ZFS to FreeBSD

2006-05-31 Thread pfgshield-freebsd
Hello;

--- Michael Vince <[EMAIL PROTECTED]> ha scritto: 

 (I forgot to mention Apple is interested in it too)

> Since this is a project that would benefit just about anyone using 
> FreeBSD, it would be good to see a project like this get funding or do a 
> fund raise.
> As a summer of code project I would assume this would be to difficult of 
> a project to for anyone but those of a fair amount of experience?
> 
> Mike
>

Back in the days when IBM released their JFS for Linux, there was a written
petition asking IBM to relax the license so that it would be ported to the
BSDs. IBM didn't accept but it was really nice to see all the BSDs together on
this.
Porting it to one BSD will help the others, but maybe (and this is mere
speculation) it would be easier for FreeBSD once Dtrace is finished/imported
and we get some extra OpenSolaris compatibility in the headers. FWIW, I'd also
like to see libumem ported.

That said, these projects usually pick up only when someone takes the flag and
starts on it's own, making it easier for an interested expert to continue and
polish the initial effort.

Pedro.

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Re: Is anyone working on a port of ZFS to FreeBSD

2006-05-31 Thread Eric Anderson

Michael Vince wrote:

[EMAIL PROTECTED] wrote:


Hello;

DragonFly and NetBSD are interested, I'm sure there's interest in 
FreeBSD too,

but AFAICT no one has started.

Here is an interesting link:

http://www.opensolaris.org/os/community/zfs/porting/

cheers,

Pedro.

---

 

Since this is a project that would benefit just about anyone using 
FreeBSD, it would be good to see a project like this get funding or do a 
fund raise.
As a summer of code project I would assume this would be to difficult of 
a project to for anyone but those of a fair amount of experience?


Mike



ZFS surely is cool, but I'm not sure how much it benefits FreeBSD 
compared to something like journaling, or adding features to our 
existing filesystem, or even write support for one of the already ported 
read-only filesystems we have (like XFS, or reiserfs).



Eric



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Re: Is anyone working on a port of ZFS to FreeBSD

2006-05-31 Thread Michael Vince

[EMAIL PROTECTED] wrote:


Hello;

DragonFly and NetBSD are interested, I'm sure there's interest in FreeBSD too,
but AFAICT no one has started.

Here is an interesting link:

http://www.opensolaris.org/os/community/zfs/porting/

cheers,

Pedro.

---

 

Since this is a project that would benefit just about anyone using 
FreeBSD, it would be good to see a project like this get funding or do a 
fund raise.
As a summer of code project I would assume this would be to difficult of 
a project to for anyone but those of a fair amount of experience?


Mike



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Re: Is anyone working on a port of ZFS to FreeBSD

2006-05-23 Thread pfgshield-freebsd
Hello;

DragonFly and NetBSD are interested, I'm sure there's interest in FreeBSD too,
but AFAICT no one has started.

Here is an interesting link:

http://www.opensolaris.org/os/community/zfs/porting/

cheers,

Pedro.

---
 Pedro F. Giffuni
 M. Sc. Industrial Eng. University of Pittsburgh
 Mech. Eng.  Universidad Nacional de Colombia
---
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