On Thu, Mar 02, 2000 at 08:18:40PM -0700, Andreas Dilger wrote:
> Brian Pomerantz writes:
> > Is there a way to tell ext2 to use a larger block size than 4KB
> > without major overhauls to the source code? I would like to at least
> > be able to use an 8KB block size to match the size of the pages on the
> > Alpha. I was hoping to match the stripe size of my RAID 5 system to
> > avoid any read-modify-write situations when writing to the RAID
> > device. The smallest stripe size I can make is 8KB, which may give me
> > a decent performance if I have an 8KB block size.
>
> The ext2 block size is, indeed, tied to the page size so that is why it
> has a 4K limit. While I think much of the code could accept an 8k block
> size, you would have to go through it with a fine-tooth comb to make sure
> you test everything. Ted would know for sure...
>
Except 4KB page size is an Intelism. Alphas have an 8KB page size.
Maybe I'll have to find another file system since this issue REALLY
kills write performance on RAID 5 file systems.
BAPper
