[Beowulf] Problem with ext3 filesystem?

Joshua Baker-LePain jlb17 at duke.edu
Thu Feb 12 13:27:56 EST 2009


On Thu, 12 Feb 2009 at 6:12pm, Dan.Kidger at quadrics.com wrote

> And anyway - I thought the maximum size for ext3 was 8TB ?
>
> I know that there are patches to bring it up to 16TB, but does anybody 
> trust these and use them for production systems?

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.

-- 
Joshua Baker-LePain
QB3 Shared Cluster Sysadmin
UCSF
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