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[Linux] Ubuntu ¿¡¼­ÀÇ Netplane Bonding
Date : 2021-09-08
Name : ¼­¹ö¸ó
Hits : 3946




¾È³çÇϼ¼¿ä. ÁÖ½Äȸ»ç ¼­¹ö¸ó ÀÔ´Ï´Ù.

±ÝÀÏÀº ¿ìºÐÅõ ȯ°æ¿¡¼­ÀÇ NetplaneÀ» ÀÌ¿ëÇÑ º»µù ¼³Á¤ ¹æ¹ý¿¡ ´ëÇØ ¾Ë¾Æ º¸µµ·Ï ÇÏ°Ú½À´Ï´Ù.


# º»µùÀ̶õ?

´ÙÁßÀÇ ¹°¸®ÀûÀÎ NIC¸¦ ³í¸®ÀûÀ¸·Î ¹­¾î¼­ NICÀÇ °³¼ö¸¸Å­ ´ë¿ªÆøÀ» È®Àå Çϰųª,

ÇÑ°³ÀÇ ³í¸®ÀûÀÎ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¸¦ ÅëÇÏ¿© Active¿Í Standby·Î ±¸¼ºÀ» ÇÒ ¼ö ÀÖ½À´Ï´Ù.


# º»µùÀ» ±¸¼º ÇÏ´Â ÀÌÀ¯´Â?

ù°. ³×Æ®¿öÅ© ´ë¿ªÆøÀ» ´Ã¸®°Å³ª

µÑ°. ÇϳªÀÇ NICÀÌ °íÀ峪µµ ´ë±âÁßÀÎ(Standby) ¶Ç ´Ù¸¥ NICÀ» ÅëÇÏ¿© Áߴܾø´Â ¼­ºñ½º¸¦ Á¦°øÇÒ ¼ö Àֱ⠶§¹® ÀÔ´Ï´Ù.


* º» Å×½ºÆ®´Â ¿ìºÐÅõ 20.04.2 ¹öÁ¯¿¡¼­ ÁøÇà ÇÏ¿´½À´Ï´Ù.




º»µùÀ» ±¸¼º Çϱâ À§Çؼ­´Â ifenslave¿Í ethtool ÆÐÅ°Áö°¡ ÇÊ¿ä ÇÕ´Ï´Ù.


1. ifconfig ¸í·ÉÀ» ÅëÇÏ¿© ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¸¦ È®ÀÎ ÇÕ´Ï´Ù.

   (¾Æ·¡¿¡´Â net-tools ÆÐÅ°Áö°¡ ¼³Ä¡µÇ¾î ÀÖÁö ¾Ê¾Æ¼­ ¸í·É¾î°¡ ¾ø´Ù´Â ¿À·ù°¡ ¹ß»ý ÇÑ È­¸é ÀÔ´Ï´Ù.)

  apt install net-tools ¸í·ÉÀ» ÅëÇÏ¿© net-tools¸¦ ¼³Ä¡ ÇÕ´Ï´Ù.


2. ifconfig -a ¸í·ÉÀ» ÅëÇÏ¿© ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¸¦ È®ÀÎ ÇÕ´Ï´Ù.

   ens33 °ú ens34 ÃÑ 2°³°¡ È®ÀÎ µÇ¸ç, ÇØ´ç ÀÎÅÍÆäÀ̽º¸¦ bond0 ·Î ±¸¼º ÇÏ°Ú½À´Ï´Ù.


3. ifenslave¿Í ethtool ÆÐÅ°Áö¸¦ ¼³Ä¡ ÇÕ´Ï´Ù.

   (ÇϱâÀÇ ¿¹½Ã¿¡¼­´Â ¹Ì¸® ¼³Ä¡°¡ µÇ¾î ÀÖ´Â È­¸éÀ̾ ´Ù¸£°Ô Ç¥½Ã µÉ ¼ö ÀÖ½À´Ï´Ù.)


4.  lsmod ¸í·ÉÀ» ÅëÇÏ¿© º»µù ¸ðµâÀÌ ÀûÀç µÇ¾ú´ÂÁö È®ÀÎ ÇÕ´Ï´Ù.

    ¾Æ·¡ÀÇ ¿¹½Ã¿¡¼­´Â º»ÀÎ ¸ðµâ ÀûÀç°¡ µÇ¾î ÀÖÁö ¾Ê¾Æ¼­ "modprobe bonding" ¸í·É¾î¸¦ ÅëÇÏ¿© 

    º»µù ¸ðµâÀ» ¿Ã·Á ÁÝ´Ï´Ù.

    ¸ðµâ ÀûÀç ÈÄ lsmod ¸í·ÉÀ» ÅëÇÏ¿© bonding ¸ðµâ ÀûÀç°¡ Àß µÇ¾ú´ÂÁö È®ÀÎ ÇÕ´Ï´Ù.


5. /etc/modules ÆÄÀÏÀ» vim ÆíÁý±â¸¦ ÅëÇÏ¿© ÆíÁý ÇÕ´Ï´Ù.

   Çϱâ¿Í °°ÀÌ "bonding" ¿­À» »ðÀÔ ÈÄ ÀúÀå ÇÕ´Ï´Ù.


6. /etc/netplan µð·ºÅ丮·Î À̵¿ ÇÏ¿© È®ÀåÀÚ°¡ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º ¼³Á¤ ÆÄÀÏÀ» ¼öÁ¤ÇØ ÁÝ´Ï´Ù.


7. vim ÆíÁý±â¸¦ ÅëÇÏ¿© ±âÁ¸ ÀÎÅÍÆäÀ̽ºÀÇ dhcp ¼³Á¤À» false·Î º¯°æ ÇÏ°í

   bonds ÀÌÇÏÀÇ ³»¿ëµéÀ» Ãß°¡ ÇÕ´Ï´Ù.

   (Çϱ⠿¹Á¦¿¡¼­´Â bond 0 ¸¦ DHCP ¼³Á¤À¸·Î ÁøÇà ÇÏ¿´½À´Ï´Ù.)


8. ½º¼¦Àº ¾øÁö¸¸, "netplan apply" ¸í·ÉÀ» ÅëÇÏ¿© ¼³Á¤À» Àû¿ë ÇÕ´Ï´Ù.


9. ifconfig -a ¸í·ÉÀ» ÅëÇÏ¿© bond0 ÀÎÅÍÆäÀ̽º°¡ »ý¼ºµÈ °ÍÀ» È®ÀÎ ÇÕ´Ï´Ù.


10. ethtool bond0 ¸í·ÉÀ» ÅëÇÏ¿© bond0 ÀÎÅÍÆäÀ̽ºÀÇ Á¤º¸¸¦ È®ÀÎ ÇÒ ¼ö ÀÖ½À´Ï´Ù.


11. Ãß°¡ÀûÀ¸·Î ÇϱâÀÇ ¸í·ÉÀ» ÅëÇÏ¿© º»µù »óŸ¦ È®ÀÎ ÇÒ ¼ö ÀÖ½À´Ï´Ù.

    "cat /proc/net/bonding/bond0"



* Bonding ¸ðµå¿¡ ´ëÇÑ Ãß°¡ Á¤º¸

º»µù ¸ðµå´Â ¿©·¯°¡Áö°¡ ÀÖÁö¸¸ ´ëÇ¥ÀûÀ¸·Î´Â 0°ú 1À» °¡Àå ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù.


- MODE 0 : round-robin

Çϳª·Î ¹­ÀÎ ³×Æ®¿öÅ©ÀÎÅÍÆäÀ̽ºµéÀÇ Æ®·¹ÇÈÀ» °°ÀÌ »ç¿ë ÇÏ¿© ´ë¿ªÆøÀ» ºÐ»ê ½Ãų ¶§ »ç¿ë Çϸç

failover ±â´ÉÀÌ Á¦°ø µË´Ï´Ù.


- MODE 1 : active-backup

2°³ÀÇ ÀÎÅÍÆäÀ̽º¸¦ Çϳª·Î ¹­¾úÀ» °æ¿ì Çϳª´Â Active »óÅ¿¡¼­ ´ë±â, ³ª¸ÓÁö Çϳª´Â Standby »óÅ¿¡¼­ ´ë±â¸¦ ÇÏ°í ÀÖ´Ù°¡ Active »óÅÂÀÎ ÀÎÅÍÆäÀ̽º¿¡ Àå¾Ö°¡ ¹ß»ý ÇÏ¿´À» °æ¿ì Standby ÀÎÅÍÆäÀ̽º°¡ Active·Î È°¼ºÈ­ µÇ¾î Áß´Ü ¾ø´Â ¼­ºñ½º¸¦ Á¦°ø ÇÒ ¼ö ÀÖ½À´Ï´Ù.


ÀÌ¿Ü¿¡µµ 3,4,5,6µµ ÀÖÁö¸¸ Àß »ç¿ëÇÏÁö ¾Ê´Â °ü°è·Î º» °¡À̵忡¼­´Â »ý·« Çϵµ·Ï ÇÏ°ÚÀ¸¸ç,

ÇϱâÀÇ ¸ðµå º° ¼³¸í ÀڷḦ Âü°íÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù.


ÀϹÝÀûÀ¸·Î Çö¾÷ ¿¡¼­´Â ´ëºÎºÐ MODE 1 (active-backup) ¹æ½ÄÀÌ °¡Àå ¸¹ÀÌ »ç¿ë µË´Ï´Ù.



ÀÌ»ó ¿ìºÐÅõ ¿¡¼­ÀÇ º»µù ¼³Á¤ ¹æ¹ý¿¡ ´ëÇØ ¾Ë¾Æ º¸¾Ò½À´Ï´Ù.

°¨»çÇÕ´Ï´Ù.





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Content
Name
Date
Hits
2021-09-08
3946

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