ASHIFT=13 by default.

[Steven Hartland]

If thats the case the underlying storage will be reporting a logical 
block size of 8k.

Assuming that's the case then this is expected / correct behavior.

On 04/12/2014 19:05, Zaphod Beeblebrox wrote:
> So... I think I answered at least a small part of my confusion with the
> test ZFS datasets.  I created them with 'zpool create vrx raidz
> /dev/zvol/*' ... and it would appear that the default behavior for this is
> to assign ASHIFT to be 13 ... which makes these test pools rater
> unrepresentative of ordinary zfs pools.
>
> That means that many people using test ZFS pools are testing with 8k blocks
> (not even just 4k blocks).  While I can immediately understand what I need
> to do to get a representative test, I'm posting because other people may
> have been similarly confused.
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