서버에서 레이드 구성 확인을 해보니 레이드1에 하드디스크 4개로 구성되어 있는 것으로 보입니다??
보통 레이드1이면 하드디스크 2개이지 않나요??
이거 어떻게 봐야 될까요~??
$ sudo megacli -LDPDInfo -aALL | egrep "Slot Number:|Error|Inquiry Data:|state|Failure|PDs:|Virtual Drive|Raw|State|RAID"
Virtual Drive: 0 (Target Id: 0)
RAID Level : Primary-1, Secondary-0, RAID Level Qualifier-0
State : Optimal
Span: 0 - Number of PDs: 2
Slot Number: 0
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
Raw Size: 953.869 GB [0x773bd2b0 Sectors]
Firmware state: Online, Spun Up
Inquiry Data: S3D2NX0J200478Y Samsung SSD 850 PRO 1TB EXM03B6Q
Foreign State: None
Media Type: Solid State Device
Slot Number: 1
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
Raw Size: 953.869 GB [0x773bd2b0 Sectors]
Firmware state: Online, Spun Up
Inquiry Data: S3D2NX0J200484T Samsung SSD 850 PRO 1TB EXM03B6Q
Foreign State: None
Media Type: Solid State Device
Span: 1 - Number of PDs: 2
Slot Number: 2
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
Raw Size: 953.869 GB [0x773bd2b0 Sectors]
Firmware state: Online, Spun Up
Inquiry Data: S3D2NX0J200098K Samsung SSD 850 PRO 1TB EXM03B6Q
Foreign State: None
Media Type: Solid State Device
Slot Number: 3
Media Error Count: 0
Other Error Count: 0
Predictive Failure Count: 0
Last Predictive Failure Event Seq Number: 0
Raw Size: 953.869 GB [0x773bd2b0 Sectors]
Firmware state: Online, Spun Up
Inquiry Data: S3D2NX0J200489F Samsung SSD 850 PRO 1TB EXM03B6Q
Foreign State: None
Media Type: Solid State Device
·¹ÀÌµå º¼·ý Àüü Å©±â´Â ¾î¶»°Ô µÇ³ª¿ä??
/dev/sda1 1M BIOS boot
/dev/sda2 2G Linux filesystem
/dev/sda3 8G Linux swap
/dev/sda4 1.9T Linux filesystem
ÀÌ·¸°Ô È®Àεǰí ÀÖ½À´Ï´Ù.
·¹ÀÌµå ·¹º§Àº 1+0 ÀÌ µË´Ï´Ù..
LSI ¿¡¼ 1+0À» ¹´Â ¼ø¼¸¦ ¾Ë¾ÆµÎ¼¼¿ä..
¾Æ¸¶ RAID 1À» µÎ °³ ¸¸µé¾î¼ ÀÌ µÎ°³¸¦ SPANÇؼ 1+0À» ¸¸µé °ÍÀÔ´Ï´Ù..
https://support.siliconmechanics.com/portal/en/kb/silicon-mechanics/general/guides-faqs/lsi-avago-raid
¿©±â¿¡ ÇÏ´Â ¹æ¹ýÀÌ ÀÖÀ»Áö´Â ¸ð¸£°Ú³×¿ä..
±×¸®°í LSI ·¹ÀÌµå ¸ð´ÏÅ͸µ À¯Æ¿¸®Æ¼ ¸®´ª½º ¹öÁ¯ ¼³Ä¡ ÇÏ½Ã°í ¿ø°ÝÀ¸·Î º¸¸é Àú ·¹À̵å Ä«µå ¹× SSD»óÅ°¡ ´Ù ³ª¿É´Ï´Ù..
¾îµå¹Î ÀÚ°ÝÀÌ ÇÊ¿äÇÏ´Ï ¸øÇϽðÚÀ¸¸é ¾ÈÇϼŵµ µË´Ï´Ù..
º¸Åë ÇöÀç ÆǸŵǴ ·¹À̵å Ä«µå(LSI /¾Æ´äÅØ)¿¡¼´Â RAID 1¿¡¼´Â Çϵå 2°³±îÁö¸¸ °¡´ÉÇÏ°í Çϵå 4°³¸¦ ¹À»¶§´Â 1+0À¸·Î Ç϶ó°í ÇÕ´Ï´Ù..
±×·¯³ª ·¹ÀÌµå ½Ã½ºÅÛ Á¦Á¶»ç¿¡ µû¶ó¼ RAID 1À» ÇϵåÀÇ °¹¼ö¿¡ °ü°è¾øÀÌ ¹À»¼ö ÀÖ´Â°Ô Àִµ¥ ÀÌ·² °æ¿ì Çϵ带 ¸î°³¸¦ RAID 1·Î ¹¾îµµ
±× ·¹À̵åÀÇ ÃÑ¿ë·®Àº Çϵå 1°³ÀÇ ¿ë·®ÀÔ´Ï´Ù..
±×·³ ·¹À̵å 1+0ÀÇ °æ¿ì´Â Çϵåµð½ºÅ© Çϳª ±úÁ®µµ ´Ù Àۻ쳪´Â°Å ¾Æ´Ñ°¡¿ä?
·¹À̵å 0+1 ÀÌ ¹«³ÇҰǵ¥, °Ë»ö Á» ´õ ÇغÁ¾ß µÇ°Ú³×¿ä
0+1Àº 10¿¡ ºñÇØ º¹±¸ ½Ã°£ÀÌ µð½ºÅ© ¼ö¿¡ ºñ·ÊÇØ Áõ°¡ÇÏ´Â ¾ÈÁÁÀº ·¹À̵åÁÒ.
¿ä»õ´Â ÀüºÎ 10 ÀÏ»öÀÔ´Ï´Ù.
°¨»çÇÕ´Ï´Ù!
¹°·Ð Çϳª ³¯¶ó°¡¸é µð½ºÅ© »¡¸® ¹Ù²ã ÁÖ´Â °Ô ÁÁÁö¿ä..
1+0 °ú 0+1Àº Å©°Ô Àǹ̸¦ µÎÁö ¸¶¼¼¿ä..
µÑ Áß¿¡ Çϳª¸¸ ·¹À̵å Á¦Á¶»ç¿¡¼ ±¸ÇöÀÌ µÇ°í (¾Æ¸¶ 1+0) ³ª¸ÓÁö °ÍÀº ¿¾³¯ ¿¡ IBM ·¹À̵å Àåºñ¿¡¼³ª ±¸ÇöµÇ¾ú´Ù´Â ¼Ò¸®°¡ ÀÖ½À´Ï´Ù..
ÀÏÁ¾ÀÇ ´ßÀÌ ¸ÕÀú³Ä ´Þ°¿ÀÌ ¸ÕÀú³Ä ¿Í ºñ½ÁÇÕ´Ï´Ù..
°¨»çÇÕ´Ï´Ù!
·¹À̵å Àåºñµµ »ç¶÷ÀÌ ¸¸µç Àåºñ¶ó ¾ðÁ¨°¡´Â °íÀå³³´Ï´Ù..
¹é¾÷Àº ½Ç»ç¿ëÀÚ°¡ ¾Ë¾Æ¼ Àß ÇØÁÖ±æ ¹Ù·¡¾ß µÇ°Ú³×¿ä¤»¤»