To 6.3 or to 7.0 that is the question?

[Jakub Siroky]

Hello, please could you try to make large (hundred of GB) ext2 volume with 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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