HDD のぱふぉちゅー
>hdparm /dev/hda /dev/hda: multcount = 16 (on) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 65535/16/63, sectors = 40007761920, start = 0 >hdparm -t /dev/hda Timing buffered disk reads: 68 MB in 3.63 seconds = 18.74 MB/sec
32bit と keepsettings が OFF ってるな…
>hdparm -c1 -k1 /dev/hda /dev/hda: setting 32-bit IO_support flag to 1 setting keep_settings to 1 (on) IO_support = 1 (32-bit) keepsettings = 1 (on) >hdparm -t /dev/hda /dev/hda: Timing buffered disk reads: 70 MB in 3.01 seconds = 23.29 MB/sec
速くなってるね。これを /etc/conf.d/hdparm に追記する。
hda_args="-d1 -c1 -k1"