On Tue, 22 May 2012, Matthias Apitz wrote:
El día Sunday, May 20, 2012 a las 03:36:01AM +0900, rozhuk...@gmail.com
escribió:
Do not use MBR (or manually do all to align).
63 - not 4k aligned.
To create the above shown partition layout I have not used gpart(8); I
just said:
# fdisk -I /dev/ada0
# fdisk -B /dev/ada0
# bsdlabel -w ada0s1 auto
# bsdlabel -B ada0s1
changed partition "a" from "unused" to "4.2BSD" as partition type:
# setenv EDITOR /usr/bin/vi
# bsdlabel -e ada0s1
created the future root-filesystem on it
# newfs -m 0 -o space /dev/ada0s1a
The 2nd SSD was formated like this:
# dd if=/dev/zero of=/dev/ada1 count=2
# fdisk -I /dev/ada1
# newfs -m 0 -o space /dev/ada1s1a
# echo "/dev/ada1s1a /usr/local ufs rw,noatime 1 1" >> /etc/fstab
# mount /usr/local
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
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