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[HPE] RAID Controller write cache È°¼ºÈ­ ¹æ¹ý
Date : 2023-05-22
Name : ¼­¹ö¸ó
Hits : 755


¾È³çÇϼ¼¿ä. ÁÖ½Äȸ»ç ¼­¹ö¸ó ÀÔ´Ï´Ù.


±ÝÀÏÀº Write cache °¡ °¡´ÉÇÑ RAID ControllerÀÇ

write cache È°¼ºÈ­ ¹× ¾²±â/Àб⠺ñÀ² Á¶Á¤¿¡ ´ëÇÏ¿© ¾Ë¾Æº¸·Á°í ÇÕ´Ï´Ù.


±âÁ¸ÀÇ Raid Controller °ü·ÃÇÑ ÀÚ·á´Â Çϱ⠸µÅ©¸¦ Àо½Ã±æ ¹Ù¶ø´Ï´Ù.

https://www.servermon.kr/board/board.html?code=servermon_board2&page=1&type=v&board_cate=&num1=999672&num2=00000&number=310&lock=N 

¼­¹ö¸ó

HPE, LENOVO(=IBM), DELL, ½´ÆÛ¸¶ÀÌÅ©·Î ¼­¹ö, ±â¾÷¿ë PC, ½ºÅ丮Áö ¹× ¼ÒÇÁÆ®¿þ¾î (MS, ·¹µåÇÞ, ¿À¶óŬ), ¹®¼­º¸¾È¼Ö·ç¼Ç(½ÃÅ¥¾îµð½ºÅ©, ÀÎÅͳݵð½ºÅ©) À» À¯Åë ÆǸÅÇÏ´Â IT ÅëÇÕ¼Ö·ç¼Ç Àü¹® ȸ»çÀÔ´Ï´Ù.

www.servermon.kr


¼³Á¤ °æ·Î SSA ÁøÀÔ¹æ¹ý

[¹æ¹ý1] F10 Intelligent Provisioning > Smart Storage Administrator


[¹æ¹ý2] BIOS / System Configuration > ÇØ´ç ÄÁÆ®·Ñ·¯ > SSA


Write Cache ¼³Á¤ ¹æ¹ý

±âº»ÀûÀ¸·Î Controller Write cache ±â´ÉÀº µ¥ÀÌÅÍ º¸È£¸¦ ¿øÄ¢À¸·Î ÇÔÀ¸·Î DisableÀÌ µÇ¾î ÀÖ½À´Ï´Ù.

Write cache¸¦ Enable ÇØÁÜÀ¸·Î ÇØ´ç ±â´ÉÀÌ »ç¿ëÀÌ µÇÁö¸¸, ¼­¹öÀÇ ¸ñÀû¿¡ µû¶ó ½ÅÁßÇÑ ÆÇ´ÜÀÌ ÇÊ¿ä ÇÕ´Ï´Ù.


enabling drive write cache can increase write performance but risks losing the data in the cache on sudden power loss
µå¶óÀ̺꠾²±â Ä³½Ã¸¦ È°¼ºÈ­Çϸ頾²±â ¼º´ÉÀÌ Çâ»óµÉ ¼ö ÀÖÁö¸¸ °©ÀÛ½º·¯¿î Á¤Àü ½Ã Ä³½ÃÀÇ µ¥ÀÌÅÍ°¡ ¼Õ½ÇµÉ À§ÇèÀÌ ÀÖ½À´Ï´Ù.

selecting default for configured drives allows the controller to optimize the drive write cache policy of those drives
±¸¼ºµÈ µå¶óÀ̺꿡 ´ëÇØ ±âº»°ªÀ» ¼±ÅÃÇϸé ÄÁÆ®·Ñ·¯°¡ ÇØ´ç µå¶óÀ̺êÀÇ µå¶óÀ̺꠾²±â Ä³½Ã Á¤Ã¥À» ÃÖÀûÈ­ÇÒ ¼ö ÀÖ½À´Ï´Ù.

selecting unchanged for congifured drives uses the drive's existing write cache policy
±¸¼ºµÈ µå¶óÀ̺꿡 ´ëÇØ º¯°æµÇÁö ¾ÊÀ½À» ¼±ÅÃÇϸ頵å¶óÀ̺êÀÇ ±âÁ¸ ¾²±â Ä³½Ã Á¤Ã¥ÀÌ »ç¿ëµË´Ï´Ù.

selecting default for unconfigured drives uses the drive's existing write cache policy
±¸¼ºµÇÁö ¾ÊÀº µå¶óÀ̺꿡 ´ëÇØ ±âº»°ªÀ» ¼±ÅÃÇϸ頵å¶óÀ̺êÀÇ ±âÁ¸ ¾²±â Ä³½Ã Á¤Ã¥ÀÌ »ç¿ëµË´Ï´Ù.



Cache ºñÀ² Á¶Á¤ ¹æ¹ý

¼­¹öÀÇ ¸ñÀû¿¡ µû¶ó Read / Write ºñÀ²À» Á¶Àý ÇÒ ¼ö ÀÖ½À´Ï´Ù.


enable write cache when battery/capacitor not present or not completely charged

Enabled

¹èÅ͸®/Ä¿ÆнÃÅÍ°¡ ¾ø°Å³ª ¿ÏÀüÈ÷ ÃæÀüµÇÁö ¾ÊÀº °æ¿ì ¾²±â Ä³½Ã¸¦ È°¼ºÈ­ÇÕ´Ï´Ù.

¹é¾÷ Àü¿øÀÌ ¾ø°Å³ª ¿ÏÀüÈ÷ ÃæÀüµÇÁö ¾ÊÀº °æ¿ì¿¡µµ ¾²±â Ä³½Ã¸¦ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.
ÁöÁ¤µÈ °ªº¸´Ù Å« ¸ðµç ¾²±â´Â ¾²±â Ä³½Ã¸¦ ¿ìȸÇÏ°í Æи®Æ¼°¡ ¾Æ´Ñ RAID º¼·ýÀÇ °æ¿ì µð½ºÅ©¿¡ Á÷Á¢ ±â·ÏµË´Ï´Ù.


SSD Smart Path

HPE SSD´Â ÀÚü Smart Path ¶ó´Â ±â´ÉÀÌ Å¾Àç°¡ µÇ¾î À־ Write Cache ¼³Á¤ÀÌ ºÒ°¡´É ÇÕ´Ï´Ù.

ÇÏÁö¸¸ ¾²±â ÀÛ¾÷ÀÌ ¿ì¼±ÀÌ µÇ¾î¾ß ÇÏ´Â ¼­¹öÀÇ °æ¿ì ÇØ´ç ¿É¼ÇÀ» Á¾·áÈÄ ¼³Á¤ÀÌ °¡´ÉÇÕ´Ï´Ù.


°á·Ð

µ¥ÀÌÅÍÀÇ ¾ÈÁ¤¼ºÀÌ ¿ì¼±À̶ó¸é Write Cache ±â´ÉÀ» Disable

¾ÈÁ¤¼ºº¸´Ü ¼º´ÉÀÌ Áß¿äÇÑ »óȲÀ̶ó¸é Enable


»óȲ°ú ¸ñÀû¿¡ ¸Â´Â ¼­¹ö ¼³Á¤À¸·Î »ç¿ëµÇ½Ã±æ ¹Ù¶ø´Ï´Ù.



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Content
Name
Date
Hits
2023-05-22
755

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