SSD optimizations: Difference between revisions
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Brian Wilson (talk | contribs) m New page: /boot, /home, /swap on raptor /dev/sda / on RevoDrive /dev/md0 (/dev/sdc, /dev/sdd) 1 put noatime option in /etc/fstab 2 disable the elevator scheduler echo noop > /sys/block/sdc/queue/... |
Brian Wilson (talk | contribs) mNo edit summary |
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See http://tombuntu.com/index.php/2008/09/04/four-tweaks-for-using-linux-with-solid-state-drives/ | |||
/boot, /home, /swap on raptor /dev/sda | /boot, /home, /swap on raptor /dev/sda | ||
/ on RevoDrive /dev/md0 (/dev/sdc, /dev/sdd) | / on RevoDrive /dev/md0 (/dev/sdc, /dev/sdd) | ||
| Line 4: | Line 6: | ||
1 put noatime option in /etc/fstab | 1 put noatime option in /etc/fstab | ||
2 disable the elevator scheduler | 2 disable the elevator scheduler, put these in /etc/rc.local | ||
echo noop > /sys/block/sdc/queue/scheduler | echo noop > /sys/block/sdc/queue/scheduler | ||
echo noop > /sys/block/sdd/queue/scheduler | echo noop > /sys/block/sdd/queue/scheduler | ||
3 manage write caching via /etc/hdparm.conf | 3 manage write caching via /etc/hdparm.conf | ||
| Line 13: | Line 15: | ||
# Raptor drive | # Raptor drive | ||
/dev/sda { | /dev/sda { | ||
write_cache = | write_cache = on | ||
} | } | ||
# Caviar drive | # Caviar drive | ||
/dev/sdb { | /dev/sdb { | ||
write_cache = | write_cache = on | ||
} | } | ||
# SSD RevoDrive | # SSD RevoDrive | ||
/dev/sdc { | /dev/sdc { | ||
write_cache = | write_cache = off | ||
} | } | ||
/dev/sdd { | /dev/sdd { | ||
write_cache = | write_cache = off | ||
} | } | ||
Revision as of 05:13, 13 November 2010
See http://tombuntu.com/index.php/2008/09/04/four-tweaks-for-using-linux-with-solid-state-drives/
/boot, /home, /swap on raptor /dev/sda / on RevoDrive /dev/md0 (/dev/sdc, /dev/sdd)
1 put noatime option in /etc/fstab
2 disable the elevator scheduler, put these in /etc/rc.local
echo noop > /sys/block/sdc/queue/scheduler echo noop > /sys/block/sdd/queue/scheduler
3 manage write caching via /etc/hdparm.conf
# Raptor drive
/dev/sda {
write_cache = on
}
# Caviar drive
/dev/sdb {
write_cache = on
}
# SSD RevoDrive
/dev/sdc {
write_cache = off
}
/dev/sdd {
write_cache = off
}
