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Re: ext3 limits?



Christian Kujau wrote:
> On Mon, April 28, 2008 12:49, Jordi Prats wrote:
>> I have a 4246GB ext3 filesystem exported by NFS on a 32 bits
>> architecture. Some applications are generating estrange errors, so maybe
>> I'm facing a ext3 limit?
> 
> http://batleth.sapienti-sat.org/projects/FAQs/ext3-faq.html says:
> 
>    Ext3 can support files up to 1TB. With a 2.4 kernel the filesystem size
>    is limited by the maximal block device size, which is 2TB. In 2.6 the
>    maximum (32-bit CPU) limit is of block devices is 16TB, but ext3
>    supports only up to 4TB.

Actually as of 2.6.18 (or is it .19...), ext3 kernel code should support
the full 16T, at least in terms of being able to address that many
blocks w/o corruption.  I did a fair amount of work in that time frame
to root out all the sign overflows etc to allow ext3 to get to 16T.

-Eric


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