[Beowulf] Problem with ext3 filesystem?

Eugen Leitl eugen at leitl.org
Thu Feb 12 14:52:56 EST 2009


On Thu, Feb 12, 2009 at 01:27:56PM -0500, Joshua Baker-LePain wrote:

> 16TB ext3 support was included as a technology preview in RHEL5 and fully 
> supported in 5.1.  I've got a couple of >8TB ext3 FSes.  Why ext3? 
> Because nothing else is as well supported by the vendor on RHEL/CentOS. 
> For primary file servers, I don't want to muck about with add-on kernel 
> modules, "plus" kernels, or anything else of that sort.  I want to run as 
> close to stock as possible.  And on anything RHEL derived, that means 
> ext3.

Don't you get creeping data corruption on 10+ worth of TByte drives? 
And not even RAID6? I'd definitely get drives from different batches,
or preage them randomly.

I'm speccing such a box right now with a Supermicro 2U box, and I'm going either
for FreeNAS 0.7 (bleeding edge) or OpenSolaris/NexentaStor, both with zfs.

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Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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