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Re: [Linux-cluster] Locking and performance questions regarding GFS1/2


On Mon, 2008-01-14 at 14:26 +0000, gordan bobich net wrote:
> >> More generally, is there the list of hard points in GFS1 that you've
> >> been trying to solve with GFS2, somewhere accessible on the web ? Also,
> >> what is actually the maximum size that GFS2 is known to be working on ?
> >> (both in terms of nodes and real size)
> >>
> > Really only whats in our bugzilla. Just search for all the bugs with
> > GFS2 somewhere in the title. I don't know what the max size of any
> > current GFS2 system is I'm afraid,
> Not sure if the information here is accurate, but:
> http://en.wikipedia.org/wiki/Comparison_of_file_systems
> "Depends on kernel version and arch. For 2.4 kernels the max is 2 TiB. For 
> 32-bit 2.6 kernels it is 16 TiB. For 64-bit 2.6 kernels it is 8 EiB."
It is accurate and if you look at the list of page editors you'll see
that I updated it recently.

> I am not sure if "64-bit" includes x86-64, because that isn't really 
> 64-bit despite what it's name might imply.
> Gordan
Thats true, but I don't think that was the question. I thought that he
was asking about the current sizes that were actually being used rather
than the max theoretical sizes,


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