Hey Robert,

I've filed a bug to track this issue. We'll try to reproduce the problem and 
evaluate the cause. Thanks for bringing this to our attention.

Adam

On Jun 24, 2010, at 2:40 AM, Robert Milkowski wrote:

> On 23/06/2010 18:50, Adam Leventhal wrote:
>>> Does it mean that for dataset used for databases and similar environments 
>>> where basically all blocks have fixed size and there is no other data all 
>>> parity information will end-up on one (z1) or two (z2) specific disks?
>>>     
>> No. There are always smaller writes to metadata that will distribute parity. 
>> What is the total width of your raidz1 stripe?
>> 
>>   
> 
> 4x disks, 16KB recordsize, 128GB file, random read with 16KB block.
> 
> -- 
> Robert Milkowski
> http://milek.blogspot.com
> 
> 


--
Adam Leventhal, Fishworks                        http://blogs.sun.com/ahl

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