Re: 64k block size in 64-bit Linux

[Christoph Hellwig <hch@xxxxxxxxxxxxx>]

On Thu, Feb 24, 2005 at 04:21:59PM -0500, AndyLiebman@xxxxxxx wrote:
> Question. 
> 
> I just loaded up a 64-bit  distribution of Linux. I compiled the kernel 
> optimized for AMD -- (which is what  I have, dual Opterons). When I go to put 
> XFS 
> on my big RAID array, I am able to  create the filesystem with a 64k block 
> size. But then I can't mount it.  
> 
> I was under the impression that with 64-bit Linux, one could make xfs  
> partitions with large block sizes -- that with 64-bit Linux, there's no 4K  
> limitation. Am I missing something? What do I have to do to be able to mount  
> this 
> RAID? 

You'll need support for a 64k pagesize to use a 64k blocksize.  64k page sizes
are only support by ia64 and mips currently.