[ADMIN] ZFS-FreeBSD + postgresql performance

[Patrick Dung]

On Saturday, October 26, 2013 1:04 AM, Steven Hartland <killing at multiplay.co.uk> wrote:
 
----- Original Message ----- 
From: "Patrick Dung" <patrick_dkt at yahoo.com.hk>
Sent: Friday, October 25, 2013 4:53 PM
Subject: Re: [ADMIN] ZFS-FreeBSD + postgresql performance


>> I would also recommend to use 4K sector size using
>
> gnop and zpool export/import.

This will have no effect, the ashift for a pool is set at creation.

    Regards
    Steve


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To be specific, I think the steps should be gnop create, create zfs pool, export zfs, remove gnop and reimport zfs.
This link have the deatils and steps: