Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-21 Thread Chris
On 16/11/2007, S.N.Grigoriev [EMAIL PROTECTED] wrote:

 Thu, 15 Nov 2007 22:31:19 + (GMT)
 Robert Watson [EMAIL PROTECTED] wrote:

  I feel that the 7.0 kernel will prove to be one of our most stable,
  not to mention most performant, .0 releases to date.

 Unfortunately, that's not true. For example, parallel printing
 crashes my amd64 system since the beginning of May. I've posted
 PR (kern/116669) which is still open. Some other people have
 reported about similar problems.

 To my mind it's a stopper defect for 7.0 because parallel
 printing is one of the basic computer tasks. FreeBSD was one
 of the best print servers for years. But at present it cannot
 be used in such a role (at least on amd64).

 Regards,
 Serguey.
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Without a doubt I have to say the old saying applies dont try to fix
what isnt broke, so goto 6.3 and by the time that is EOL then 7.x
should be matured and a 7.1 release will exist which I have no doubt
will have fixed bugs that we dont know about now.  6.0 was the same
story we were all urged to upgrade our servers to it and for many
people was fine but of course there was unforseen problems that had to
be fixed in 6.1 and 6.2 it is a catch 22 it needs wider scale usage
for problems to be found but people wont necessarily move their
servers over willingly as the risk of things breaking is too high.

I have a hobby server on 7.0 beta 3 but all my web servers are staying
on 6.x for the forseeable future unless I have a good reason to move
to 7 even taking into account the work that has gone into improving
mysql performance.

Chris
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-16 Thread S.N.Grigoriev

Thu, 15 Nov 2007 22:31:19 + (GMT)
Robert Watson [EMAIL PROTECTED] wrote:

 I feel that the 7.0 kernel will prove to be one of our most stable,
 not to mention most performant, .0 releases to date.

Unfortunately, that's not true. For example, parallel printing 
crashes my amd64 system since the beginning of May. I've posted
PR (kern/116669) which is still open. Some other people have
reported about similar problems.

To my mind it's a stopper defect for 7.0 because parallel
printing is one of the basic computer tasks. FreeBSD was one
of the best print servers for years. But at present it cannot
be used in such a role (at least on amd64).

Regards,
Serguey.
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-15 Thread Jimmy Lim
Looking at the Overview of FreeBSD-7.0, I would use it as my
production, as long as my fail over servers are standby (e.g. postgres
with PITR, MySQL-5.0 with replication).

But if you are using 1 server for production use FreeBSD-6.3-R.

My 2 cents for FreeBSD-7.0-R.

br,

On Nov 14, 2007 7:23 PM, Marko Lerota [EMAIL PROTECTED] wrote:
 I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for
 my servers. To what should I upgrade? Which of them will be stable
 or production release?

 --
 One cannot sell the earth upon which the people walk
 Tacunka Witco
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-- 
Jimmy B. Lim
j i m m y b l i m @ g m a i l . c o m
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-15 Thread Marko Lerota
Jimmy Lim [EMAIL PROTECTED] writes:

 But if you are using 1 server for production use FreeBSD-6.3-R.

 My 2 cents for FreeBSD-7.0-R.

For my personal servers I'll jump to 7.0-R, but for some customers,
will wait for 7.1-R. 

TNX

-- 
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Tacunka Witco 
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-15 Thread Robert Watson

On Wed, 14 Nov 2007, Ivan Voras wrote:


Marko Lerota wrote:

I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for my 
servers. To what should I upgrade? Which of them will be stable or 
production release?


For low-loaded machines, 7.0 is stable enough even with all the new goodies 
like ZFS, tmpfs, ULE - I have such a machine with almost 30 days uptime and 
have done 24h+ stress testing on another machine before blessing it for 
production - but I still wouldn't trust it for mission critical heads will 
roll type of servers.


If you can, try it on a spare or lightly loaded server, it's worth it.


It's probably worth pointing out three more things:

(1) Quite a bit of the work in 7.x has also had to do with improving
stability; for example, I've spent a significant amount of time
restructuring socket and netinet-layer code to reduce its vulnerability to
TCP race conditions that earlier in the 6.x life cycle could lead to
panics under high load with man TCP resets in flight.  These are papered
over in 6.x in a less clean way because the changes to address the
underlying source of the problems required significant changes I felt too
aggressive to merge to 6.x.  So while 7.x comes with potentially
destablizing new features, it also comes with a lot of cleanup relative to
6.x that should have net stability benefits (at least in the long run).

(2) The  areas I would particularly stay away from in sensitive production
servers are things like new file systems (ZFS), where the chances and
consequences of failure may be greater.

(3) At least for now, a 7.x kernel works quite well with a 6.x user space, so
if you want to try out the 7.x kernel to see how it runs for you, you can
do that without disrupting your application installs.  You won't be able
to use features like ZFS that depend on new userland tools and libraies,
but you will be able to evaluate stability and performance for most base
OS features.

7.0 is a .0 release, but I think it's also a really strong .0 release.  While 
I might hesitate to recommend ZFS in less experimental settings, I feel that 
the 7.0 kernel will prove to be one of our most stable, not to mention most 
performant, .0 releases to date.  I would encourage people to try it out and 
see how it goes for them, but as with all new releases, to do it with adequate 
caution and a fallback plan in the event you run into something that hasn't 
been found or addressed in testing to date.


Robert N M Watson
Computer Laboratory
University of Cambridge
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-15 Thread Robert Watson


On Thu, 15 Nov 2007, Robert Watson wrote:

7.0 is a .0 release, but I think it's also a really strong .0 release. 
While I might hesitate to recommend ZFS in less experimental settings, I 
feel that the 7.0 kernel will prove to be one of our most stable, not to 
mention most performant, .0 releases to date.  I would encourage people to 
try it out and see how it goes for them, but as with all new releases, to do 
it with adequate caution and a fallback plan in the event you run into 
something that hasn't been found or addressed in testing to date.


And as a last followup to this: please do run our betas, especially on test 
servers or servers that fail over -- we won't be able to fix problems we don't 
hear about, so if you can help us exercise 7.0 now, we can get these things 
fixed for 7.0 rather than for 7.1 :-).  Even if you're just booting up and 
installing on a spare box and banging it with your web load and mysql load, 
that sort of testing is invaluable.  Breadth of testing is very important to 
help even out the release.


Robert N M Watson
Computer Laboratory
University of Cambridge
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Eugene Grosbein
On Wed, Nov 14, 2007 at 12:23:46PM +0100, Marko Lerota wrote:

 I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for 
 my servers. To what should I upgrade? Which of them will be stable 
 or production release?

I would not use dot-zero release for production without excessive
local testing period (read: at least until dot-one :)

Eugene Grosbein
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Claus Guttesen
 I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for
 my servers. To what should I upgrade? Which of them will be stable
 or production release?

I'm deploying FreeBSD 7 on my webservers, because they are
loadbalanced. But I will not deploy ver. 7 on my db-server until I get
to ver. 7.1. Other than that ver. 7 is very stable and I have not had
any reboots (using ufs as fs).

So if the server is very critical I would stay on the 6.x release-branch.

-- 
regards
Claus

When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.

Shakespeare
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Dylan Smith

Marko Lerota wrote:
I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for 
my servers. To what should I upgrade? Which of them will be stable 
or production release?


  


Both of them will be production stable at release, i'd say that unless 
you have reason, such as non-supported hardware in 7, to stay with the 
6-branch upgrade to 7-RELEASE. 6.3 will afaik be the last revision to 
the 6 branch aside from bug/security fixes.


Dylan
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Ivan Voras
Marko Lerota wrote:
 I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for 
 my servers. To what should I upgrade? Which of them will be stable 
 or production release?

For low-loaded machines, 7.0 is stable enough even with all the new
goodies like ZFS, tmpfs, ULE - I have such a machine with almost 30 days
uptime and have done 24h+ stress testing on another machine before
blessing it for production - but I still wouldn't trust it for mission
critical heads will roll type of servers.

If you can, try it on a spare or lightly loaded server, it's worth it.

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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Billy Newsom

Dylan Smith wrote:
 Marko Lerota wrote:
 I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for my
 servers. To what should I upgrade? Which of them will be stable or
 production release?



 Both of them will be production stable at release, i'd say that unless
 you have reason, such as non-supported hardware in 7, to stay with the
 6-branch upgrade to 7-RELEASE. 6.3 will afaik be the last revision to
 the 6 branch aside from bug/security fixes.

If the security webpage at FreeBSD is any indication, then if (for example) 7.0 is 
released before 6.3, then 6.3 will be supported that much longer than 7.0. And so 
although the branch may be getting cut off, in the overall big picture, 6.3 may be 
fine. For example, around the time 6.3 (or 6-stable) stops being supported, 7.0 may 
be long deprecated in favor of perhaps 7.4 or 7-stable or 8.1 or whatever.


The 4.x branch was ultra supported beyond its time, IIRC.

Billy
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Re: FreeBSD 6.3 or FreeBSD 7.0

2007-11-14 Thread Chris H.

Quoting Dylan Smith [EMAIL PROTECTED]:


Marko Lerota wrote:
I see that 6.3 and 7.0 is comming. Now I'm using 6.2-RELEASE for my 
servers. To what should I upgrade? Which of them will be stable or 
production release?





Both of them will be production stable at release, i'd say that 
unless you have reason, such as non-supported hardware in 7, to stay 
with the 6-branch upgrade to 7-RELEASE. 6.3 will afaik be the last 
revision to the 6 branch aside from bug/security fixes.


Dylan


The above might be better stated as -
Unless you have an immediate need for something offered in brand new 
full point release version here
You would do well to continue using your current release adoption 
strategy, and
wait for the dust to settle in the brand new release before adopting it 
as your

current version.

(my 0.2 cents)

--Chris


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panic: kernel trap (ignored)



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