ASHIFT=13 by default.

[Zaphod Beeblebrox]

Well in this case the "space" was a file created with zfs create -V 10g

On Thu, Dec 4, 2014 at 3:25 PM, Steven Hartland <killing at multiplay.co.uk>
wrote:

> 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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>
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