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Re: FreeBSD¿¡µµ µð½ºÅ© Á¶°¢ ¸ðÀ½ÀÌ ÀÖ³ª¿ä?



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[ÀÌÀü ±Û] [´ÙÀ½ ±Û] [ÀÌÀü ´ñ±Û] [´ÙÀ½ ´ñ±Û]


> »©¸Ô°í ¾Ë·Áµå¸®Áö ¾ÊÀº°Ô ÀÖ±º¿ä..  Ȥ½Ã³ª ÀÛÀºÆÄÀϵé (1~4kb)µéÀ» ¸¹ÀÌ
> »ç¿ëÇѴٰųª ÆÄÀϽýºÅÛÀ» °ÅÀÇ Ç®·Î ´Ù »ç¿ëÇÏ°Ô µÈ´Ù¸é fragmentation levelÀÌ
> ¿Ã¶ó°¡°Ô µË´Ï´Ù.  df¸¦ ÇØº¸°í ÆÄÀϽýºÅÛÀÌ 90% °¡±îÀÌ »ç¿ëµÇ°í ÀÖ´Ù¸é
> ÇÊ¿ä¾ø´Â ÆÄÀϵéÀ» Á¤¸®Çؼ­ °ø°£À» ºñ¿öÁÖ½Ã´Â°Ô ÁÁ½À´Ï´Ù.

> ²À defrag¸¦ ÇØ¾ß°Ú´Ù¸é ½½¶óÀ̽º Àüü¸¦ ¹é¾÷Çß´Ù°¡ newfs ¸¦ ÇÏ°í ¸®½ºÅä¾î
> ÇÏ¸é µË´Ï´Ù.

Á¤¸» ±×·±°¡¿ä? FFS¿¡¼­ fragmentationÀ» »ç¿ëÇÏ´Â ºÎºÐÀº fileÀÇ ¸Ç ³¡ ºÎºÐ¿¡
´ëÇØ¼­¸¸ ±×·¯´Â °ÍÀ̰í, ÀÌ blockÀº ´Ù¸¥ fileµé°ú °øÀ¯°¡ µË´Ï´Ù.
Áï, 8192/1024¿Í °°Àº ÇüÅ·Πfile systemÀ» ¸¸µç´Ù¸é 8192Â¥¸® blockÀ» ¿©·¯
fileµéÀÌ 1024 ´ÜÀ§·Î ³ª´²¼­ fragmentationÀ» ÀúÀåÇÕ´Ï´Ù. ±×·¯´Ï±ñ
backupÇß´Ù°¡ restoreÇÏ¸é ´ú ä¿öÁø frag blockÀÌ ¸¹¾ÆÁ®¼­ utilizationÀÌ ´õ
¶³¾îÁú ¼öµµ ÀÖÀ» °Í °°Àºµ¥¿ä.

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