To 6.3 or to 7.0 that is the question?

[Mike Tancsa]

At 05:06 PM 1/18/2008, Jakub Siroky wrote:
>Hello, please could you try to make large (hundred of GB) ext2 volume with

I dont use ext2 anywhere. Only UFS2.

         ---Mike


>e2fsprogs and copy large amount of data to it? On amd64 SMP (two 
>cores) RELENG_7_0 it should lead to unrecoverable panic or scrolling 
>strings "ext2_new_block: bit already set for block %d". On 
>6.2-STABLE there is no problem with linux partitions.
>
>Jakub Siroky
>
>On Fri, 18 Jan 2008 16:48:28 -0500
>Mike Tancsa <mike at sentex.net> wrote:
>
> > At 04:11 PM 1/18/2008, Steven Hartland wrote:
> > >I know 7 has had a lot of work done on locking and ULE but are there
> > >any other reasons to go for that instead of 6.3? Conversely are there
> > >any reason which would point away from 7 such as stability issues?
> >
> > I think it depends what apps you run, what drivers you rely on.  The
> > less esoteric your hardware is, the better the chances are that
> > things will work well (eg. em nics vs nfe or tl etc etc).
> >
> > Our production experiences with 7 have been good so far. I just did a
> > rather busy customer mail server this morning and so far so good. I
> > migrated it from 6.3 to 7 and am just finishing the portupgrade
> > process.  We have also been running a 7.x box in our spam/virus
> > scanning cluster since late Nov 2007 and no issues there either.  We
> > havent done any benchmarks to see if its faster than the 6.x boxes,
> > but its certainly stable so far and seems to at least keep up to the
> > other boxes.
> >
> > I am also testing a core2 and quad core box with 8 gig of RAM on a 4
> > port Areca controller that will replace a 6.2 postgresql server next
> > week some time.  Just doing some benchmarking/testing of that now and
> > hope to have RELENG_7 64bit deployed next week on it if all goes 
> as planned.
> >
> >          ---Mike
> >
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