[Linux-cluster] GFS limits?
Carlos Knowlton
cknowlton at science.edu
Wed Jul 14 16:08:10 UTC 2004
Ken Preslan wrote:
>On Tue, Jul 13, 2004 at 03:22:51PM -0700, Don MacAskill wrote:
>
>
>>Does GFS somehow get around the 1TB block device issue? Just how large
>>can a single exported filesystem be with GFS?
>>
>>
>
>On Linux 2.4-based kernels, the limit is 1TB. On 2.6-based kernels, the
>limit is 8TB on 32-bit systems and some really large number (at least
>exabytes) on 64-bit systems.
>
>
On the 2.6 kernel, I've heard that the Ext2/3fs can handle 16TB by
increasing the block size (I'm not sure if that number is with 4K or 8K
blocks).
Is it possible to increase the FS capacity in GFS on 32bit systems in
the same way (ie, by increasing the block size)? If so, what is the
maximum block size supported in GFS
Thanks!
Carlos
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