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Re: 2**31-1 blocks question




----- "Russell Gillette" <rgillette napc com> wrote:

> On 5/11/10 7:26 PM, Bodo Thiesen wrote:
> > * Eric Sandeen<sandeen redhat com>  hat geschrieben:
> >
> >> >  Mag Gam wrote:
> >>> >>  We need to create very large filesystems. We prefer to have a
> >>> >>  filesystem which is 12TB but it seems ext3 does not suppor
> that.
> >> >  Most recent ext3 kernelspace and userspace should technically
> >> >  make it to 16T.
> > [...]
> >
> >> >  The downside is you probably can't mount it, because it's
> >> >  block size>  page size on most architectures (like x86 and
> x86_64)
> > Contradiction? Anyone?
> 
> Eric's comment about not being able to mount referenced altering the
> FS 
> block size to 8k from 4k. Intel Xeon only supports 4k pages.
> 
> He is correct that newer e2fsprogs will allow creation of ext3 
> filesystems up to 16T _without_ altering block size, as I frequently 
> make 10T+ filesystems on RHEL 5.3 and 5.4.
> 
> --russellg
> 
Out of curiosity, how long does it take to fsck a 10TB filesystem?


Charles


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