So i just kept noatime and discard options (for SSD). Thank you Florian,
-- Jacques 2012/11/25 Florian Philipp <li...@binarywings.net> > Am 25.11.2012 16:36, schrieb Jacques Montier: > > Hi all, > > > > I bought a 250Go SSD M4 Crucial , read (of course) Gentoo documentation > > and installed the drive on my desktop pc (Asus MB, Intel ie7 and 6Go > RAM). > > > > 1- Everything seems to work perfectly, but i would like to know if my > > configuration is ok or could be optimized. > > > > /dev/sda1 /boot ext2 > defaults,noatime,discard 1 2 > > You don't need to specify "defaults" when there is any other option > present. Defaults is just there so that the column is not empty if you > do not specify any option. > > > /dev/sda2 / ext4 > defaults,noatime,nodiratime,discard 0 1 > > noatime implies nodiratime. Specifying both is redundant. > > > /dev/sda3 /var ext4 > defaults,noatime,nodiratime,discard 0 0 > > /dev/sdb1 /mnt/donnees ntfs-3g > auto,uid=jacques,gid=users,umask=0022 0 0 > > /dev/sdb2 none swap sw > 0 0 > > Swap on SSD would be faster but I guess you want to avoid the additional > writes. > > > /dev/sdb5 /usr/portage ext4 > defaults,noatime,nodiratime 0 0 > > /dev/sdb6 /var/tmp ext4 > defaults,noatime,nodiratime 0 0 > > /dev/sdb7 /home ext4 > defaults,noatime,nodiratime 0 0 > > For home, auto_da_alloc trades a little performance for additional > security against stupid applications that forget to fsync(). > > > /dev/sdb8 /mnt/disk_virt ext4 > defaults,noatime,nodiratime 0 0 > > > Regards, > Florian Philipp > >
