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Date:      Tue, 22 May 2012 19:15:17 +0200 (CEST)
From:      User Wojtek <wojtek@wojtek.tensor.gdynia.pl>
To:        Warren Block <wblock@wonkity.com>
Cc:        freebsd-hackers@freebsd.org, Matthias Apitz <guru@unixarea.de>, rozhuk.im@gmail.com
Subject:   Re: proper newfs options for SSD disk
Message-ID:  <alpine.BSF.2.00.1205221914450.61179@wojtek.tensor.gdynia.pl>
In-Reply-To: <alpine.BSF.2.00.1205220731070.51493@wonkity.com>
References:  <alpine.BSF.2.00.1205182209010.9350@wojtek.tensor.gdynia.pl> <4fb7dfd6.736a980a.186d.ffff902f@mx.google.com> <20120519180901.GA1264@tiny> <4fb7e819.6968700a.7a7f.ffff9153@mx.google.com> <20120522061734.GA1210@tiny> <alpine.BSF.2.00.1205220731070.51493@wonkity.com>

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>> What is wrong with this procedure?
>
> The filesystem partitions end up at locations that aren't even multiples of 
> 4K.  This can reduce performance.  How much probably depends on the SSD.
well in my case it is a multiply of any number you like

[root@wojtek ~]# bsdlabel ada0
# /dev/ada0:
8 partitions:
#          size     offset    fstype   [fsize bsize bps/cpg]
   a:  117231408          0    4.2BSD        0     0     0
   c:  117231408          0    unused        0     0     # "raw" part, don't edit




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