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IDE Çϵå¼Óµµ ¿Ã¸®±â
 1day  | 2004¡¤02¡¤03 01:04 | HIT : 35,493 | VOTE : 12,430 |
¸®´ª½º(6.2±îÁö 7.0Àº Å×½ºÆ®¸¦ ¾ÆÁ÷ ¸øÇß´Ù)´Â ¼³Ä¡µÉ ¶§,

Default·Î I/O support´Â 16bit »óÅ·Π¼³Á¤µÇ°í,

DMA´Â off »óÅ·Π¼³Á¤µÇ±â ¶§¹®¿¡ Çϵåµð½ºÅ©ÀÇ ½ÇÁ¦ ¼º´ÉÀ» ¹ßÈÖÇÏÁö ¸øÇÕ´Ï´Ù.

ÄÄÇ»ÅͰ¡ ÇÁ·Î±×·¥À» ½ÇÇàÇÒ ¶§´Â Çϵåµð½ºÅ©ÀÇ data¸¦ ¸Þ¸ð¸®¿¡ ¿Ã·Á ³õ°í ÀÛ¾÷À» Çϱ⠶§¹®¿¡

Çϵåµð½ºÅ©ÀÇ Reading ¼Óµµ°¡ ´À¸®¸é ÇÁ·Î¼¼¼­¿Í »ó°ü¾øÀÌ ±×¸¸Å­ 󸮼ӵµ°¡ ´À·ÁÁö´Â °ÍÀÌÁö¿ä.

------------------------------------------------------------------------------
1. I/O support ¼³Á¤ È®ÀÎ
------------------------------------------------------------------------------
[root@1day /root]# hdparm -c /dev/hda
/dev/hda I/O support = 1

(32bit)  À§¿Í °°ÀÌ ³ª¿À¸é I/O suppot´Â on »óÅÂ


/dev/hda I/O support = 0

(16bit)        À§¿Í °°ÀÌ ³ª¿À¸é I/O support´Â offÀÎ »óÅÂ


------------------------------------------------------------------------------
2. DMA ¼³Á¤ È®ÀÎ
------------------------------------------------------------------------------
[root@1day /root]# hdparm -d /dev/hda

/dev/hda

using_dma = 1 (on) ¶Ç´Â 0 (off)


------------------------------------------------------------------------------
3. Çϵåµð½ºÅ©ÀÇ Reading¼Óµµ¸¦ È®ÀÎ
------------------------------------------------------------------------------
[root@1day /root]# hdparm -t /dev/hda
  /dev/hda:
  Timing

  buffered disk reads:  64 MB in 17.73 seconds =  3.61 MB/sec


------------------------------------------------------------------------------
4. ¼¼ÆÃ ÈÄ Å×½ºÆÃ Çϱâ
------------------------------------------------------------------------------
[root@1day /root]# hdparm -c 1 -d
1 /dev/hda

    /dev/hda:

     setting

32-bit I/O support flag to 1 setting using_dma to 1 (on)

     I/O support  =  1 (32-bit)

     using_dma   =  1 (on)


[root@1day /root]# hdparm -t /dev/hda

  /dev/hda:

  Timing buffered disk reads:  64 MB in  4.71 seconds = 13.59 MB/sec


------------------------------------------------------------------------------
5. ºÎÆÃµÉ ¶§ ¸¶´Ù ÀÚµ¿ ¼¼ÆÃ
------------------------------------------------------------------------------
[root@1day /root]# color=red>vi /etc/rc.d/rc.local

hdparm -c 1 -d 1 /dev/hda Ãß°¡ ÇÏ½Ã¸é µÇÁö¿ä.


À̸¸..............


     
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