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SSD Over Provisionning ¼³Á¤Çϼ¼¿ä.

rank mr2sw 2022-06-21 (È­) 22:28 Á¶È¸ : 2002 Ãßõ : 15  

Over Provisionning (ÀÌÈÄ OP) = SSD ³»ºÎ µ¥ÀÌÅÍ Á¤¸® ¹× ¸¶¸ðµÈ ¼¿À» ´ëüÇϱâ À§ÇÑ ¿©À¯ °ø°£

Åë»ó 7.3% Á¤µµ ±âº»ÀûÀ¸·Î Á¦°øµË´Ï´Ù. 

ÀÌÀ¯´Â 1Å׶ó´Â ½ÇÁ¦·Î´Â 1073741824 kbyteÀÌ°í SSD 1TB´Â Á¦°øµÇ´Â ½ÇÁ¦ ¿ë·®ÀÌ 1,000,000,000 kbyte (953.67GB)ÀÔ´Ï´Ù.

³ª¸ÓÁö °ø°£ÀÌ OP·Î ¼³Á¤µÇ¾î¼­ ³ª¿À±â ¶§¹®ÀÌÁö¿ä.


º¸Åë SSD¿¡ SLC ij½¬¶ó´Â °ÍÀº TLC ¼¿¿¡ ÀúÀå¹æ½ÄÀ» º¯°æÇؼ­ SLC ¹æ½ÄÀ¸·Î °í¼Ó ÀúÀåÀ» ÇÏ°í

³ªÁß¿¡ Gabage Corecction(ÀÌÈÄ GC)À» ¼öÇàÇؼ­ ³»ºÎ µ¥ÀÌÅ͸¦ Á¤¸®ÇÏ°Ô µË´Ï´Ù.

¹®Á¦´Â °Ü¿ì 7.3% °ø°£¸¸ °¡Áö°í Á¤¸®¸¦ ÇÏ´Ùº¸´Ï ¸Å¿ì ¿À·£½Ã°£ÀÌ °É¸®±â¿¡ TRIM ¸í·ÉÀ» ÅëÇؼ­

¹Ì»ç¿ëÁßÀÎ °ø°£À» Á¤¸®Çؼ­ SSD¿¡ ¾Ë·ÁÁÖ¸é SSD´Â ±×°ø°£À» Àӽà OP·Î ¼³Á¤Çؼ­ GC¸¦ ¼öÇàÇÏ°Ô µË´Ï´Ù.

ÆÄƼ¼ÇÀÌ ¼³Á¤µÈ °ø°£Àº SSD°¡ ½º½º·Î »ç¿ëÁßÀÎ ºÎºÐÀ» ¾Ë¾Æ³¾ ¹æ¹ýÀÌ ¾ø¾î¼­ TRIMÀÌ ÇÊ¿äÇÕ´Ï´Ù.


±×·±µ¥ ¸ÞÀÌÀú º¥´õµµ Á¾Á¾ Æß¿þ¾î°¡ ²¿¿©¼­ TRIMÀÌ Á¤»óÀûÀ¸·Î ÀÛµ¿¾ÈÇÏ´Â °æ¿ìµµ ÀÖ°í (Ãʱâ 980 pro, PM9A1)

ºñÁÖ·ù º¥´õÀÇ °æ¿ì ÀÏ»ó ´Ù¹Ý»çÀÔ´Ï´Ù. ƯÈ÷ Àüü ¿ë·®ÀÇ 50%ÀÌ»ó Â÷°ÔµÇ¸é ºó¹øÇÏ°Ô ¹ß»ýÇÔ.

ÀÌ°Ô ¾î·Á¿î°Ô SSD Ư¼º»ó ÀúÀåÀ» ¿þ¾î¸µ ·¹º§À» °í·ÁÇؼ­ ºÐ»ê ±â·ÏÀ» Çϴµ¥. ¹Ì»ç¿ë °ø°£ TRIMÀ¸·Î ¾Ë·ÁÁ൵

Æß¿þ¾î°¡ °íÄ÷¸®Æ¼°¡ ¾Æ´Ï¸é Á¦´ë·Î ÀÓ½ÃOP ¼³Á¤À» ¸øÇÏ´Â ¹®Á¦°¡ ¹ß»ýÇÔ.


±×·¡¼­ ¼öµ¿À¸·Î OP¸¦ 20% Ãß°¡ÇØÁÖ¸é Àüü OP°¡ 27%Á¤µµ µÇ¸é¼­ TRIM°ú ¹«°üÇÏ°Ô ¼º´É ÀúÇϸ¦ ¸·À» ¼ö ÀÖ½À´Ï´Ù.

OPÃß°¡´Â ¸Å¿ì °£´ÜÇѵ¥ ÆÄƼ¼ÇÀ» ¸¸µå½Ç¶§ 20%Á¤µµ ¿©À¯°ø°£À» µÎ½Ã°í ¸¸µå½Ã¸é µË´Ï´Ù.

¾Æ·¡±×¸² Âü°í. ÇÒ´çµÇÁö ¾ÊÀ½ À̺κÐÀÌ OP°¡ µË´Ï´Ù.




OP¸¦ ¼³Á¤ÇϽøé

1. TRIM°ú ¹«°üÇÏ°Ô ¼ÓµµÀúÇÏ°¡ ¾øÀ½

2. Æß¿þ¾î¿¡ ¹®Á¦°¡ ÀÖ´Â Á¦Ç°µµ ¼º´ÉÀúÇÏ ¾øÀ½

3. ¼ö¸íÀÌ 2¹è Á¤µµ Áõ°¡

4. Á¦Á¶»ç°¡ Á¦½ÃÇѰͺ¸´Ù Àбâ IOPS Áõ°¡ÇÔ


Âü°í »çÀÌÆ® 

https://www.kingston.com/kr/blog/pc-performance/overprovisioning

https://www.seagate.com/kr/ko/tech-insights/ssd-over-provisioning-benefits-master-ti/



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