Re: vfs.zfs.min_auto_ashift and OpenZFS

From: Niclas Zeising <zeising+freebsd_at_daemonic.se>
Date: Wed, 9 Sep 2020 19:06:31 +0200
On 2020-09-09 17:55, Ryan Moeller wrote:
> 
> On 9/8/20 4:31 PM, Niclas Zeising wrote:
>> On 2020-05-02 02:20, Matthew Macy wrote:
>>> OpenZFS doesn't have the same ashift optimization logic that FreeBSD
>>> has. It's something that needs to be resolved before the code can be
>>> integrated downstream.
>>
>> So currently all pools created with OpenZFS will use 512 bit 
>> alignment, at least if the underlying storage device uses 512bit 
>> sectors (which most drives tend to do)?
>>
>> If this is the case, it feels like a pessimisation.
>>
>> Regards
> 
> 
> The vdev ashift optimizations from FreeBSD were put in OpenZFS before 
> the import into base. That sysctl does work now.
> 

Thank you for the clarification!
Regards
-- 
Niclas
Received on Wed Sep 09 2020 - 15:06:35 UTC

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