> Utz Lehmann wrote:
> > ok, i'm stupid. He has only 1.2TB and the default blocksize is
> > 1k. The test doesn't work until he can set his md device to
> > 512 byte blocksize from userspace.
>
> I don't know if this has any relevance, but don't the underlying
> 3Ware cards use a much bigger blocksize??? If this isn't an issue
> from a compatibility standpoint, how about a performance one?
>
> Or am I totally missing the mark here?
>
> Are there any other limitations with using such small blocksizes?
> Even at 512bytes, we should be able to get 2TB (4Gblocks x 512
> bytes), right?
>
> -- TheBS
>
Disk addresses always get converted to 512 byte sectors in the block
layer anyway - the 2 Tbyte limit is pretty firmly wedged in the block
layer right now.
Steve
p.s. I am pretty sure I have a fix - and it is not in the kernel! mkfs
with the automatic inode sizing is broken above the 1 Tbyte
boundary, fix coming shortly.
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