7.2. Ŭ·¯½ºÅÍ¿Í ¼­ºñ½º »óÅ º¸±â

Ŭ·¯½ºÅÍ¿Í ¼­ºñ½ºÀÇ »óŸ¦ °¨½ÃÇÏ´Â °ÍÀº Ŭ·¯½ºÅÍ È¯°æ¿¡¼­ ¹®Á¦¸¦ ¾Ë¾Æ³»°í ÇØ°áÇϴµ¥ Å« µµ¿òÀÌ µË´Ï´Ù. ´ÙÀ½ µµ±¸¸¦ »ç¿ëÇÏ¿© Ŭ·¯½ºÅÍ »óÅ Á¤º¸¸¦ ¾Ë¾Æ³¾ ¼ö ÀÖ½À´Ï´Ù:

Ç×»ó °ü¸®ÀÚ°¡ µµ±¸¸¦ ½ÇÇà ÁßÀΠŬ·¯½ºÅÍ ½Ã½ºÅÛÀÇ »óŸ¸ º¸¿©Áý´Ï´Ù. º¸´Ù Á¾ÇÕÀûÀΠŬ·¯½ºÅÍ »óŸ¦ º¸½Ã·Á¸é, ¸ðµç Ŭ·¯½ºÅÍ ½Ã½ºÅÛ¿¡ °ü¸® µµ±¸¸¦ ½ÇÇàÇϽñ⠹ٶø´Ï´Ù.

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Ŭ·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î¸¦ ½ÇÇà ÁßÀÌÁö ¾ÊÀº ±¸¼º¿øµéÀº Ŭ·¯½ºÅÍ¿¡¼­ ´Ù¸¥ ±¸¼º¿øÀÇ »óŸ¦ °áÁ¤Çϰųª º¸°íÇÒ ¼ö ¾ø½À´Ï´Ù.

Ŭ·¯½ºÅÍ¿Í ¼­ºñ½º »óÅ¿¡´Â ´ÙÀ½°ú °°Àº Á¤º¸°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù:

´ÙÀ½ Ç¥¿¡¼­´Â Ŭ·¯½ºÅÍ »óÅ µµ±¸¿Í clustat ¸í·ÉÀ» ÅëÇØ º¸¿©Áö´Â »óÅ Á¤º¸¸¦ ºÐ¼®ÇÏ´Â ¹æ¹ýÀÌ ³ª¿Í ÀÖ½À´Ï´Ù.

±¸¼º¿ø »óż³¸í
Ȱ¼º »óű¸¼º¿ø ½Ã½ºÅÛÀÌ ´Ù¸¥ ½Ã½ºÅÛ°ú Åë½ÅÇϰí ÀÖÀ¸¸ç quorum ÆÄƼ¼Ç¿¡ Á¢¼ÓÇÕ´Ï´Ù.
ºñȰ¼º »óű¸¼º¿ø ½Ã½ºÅÛÀÌ ´Ù¸¥ ±¸¼º¿ø ½Ã½ºÅÛ°ú Åë½ÅÇÒ ¼ö ¾ø½À´Ï´Ù.

Ç¥ 7-1. ±¸¼º¿ø »óÅÂ

¼­ºñ½º »óż³¸í
ÀÛµ¿ Áß¼­ºñ½º ÀÚ¿øÀº ±× ¼­ºñ½º¸¦ ¼ÒÀ¯Çϴ Ŭ·¯½ºÅÍ ½Ã½ºÅÛ »ó¿¡¼­ ¼³Á¤µÇ¾î »ç¿ëµË´Ï´Ù.
º¸·ù »óż­ºñ½º°¡ ±¸¼º¿ø¿¡¼­ ½ÇÆÐÇÏ¿© ´Ù¸¥ ±¸¼º¿ø¿¡¼­ ½ÃÀ۵DZ⸦ ±â´Ù¸®°í ÀÖ½À´Ï´Ù.
ºñȰ¼º¼­ºñ½º°¡ ºñȰ¼ºÈ­µÇ¾î, ÇÒ´çµÈ ¼ÒÀ¯ÀÚ°¡ ¾ø½À´Ï´Ù.
¸ØÃã¼­ºñ½º°¡ ½ÇÇà ÁßÀÌÁö ¾Ê½À´Ï´Ù; ¼­ºñ½º¸¦ ½ÃÀÛÇÒ ¼ö ÀÖ´Â ±¸¼º¿øÀ» ±â´Ù¸®´Â ÁßÀÔ´Ï´Ù.
½ÇÆÐ¼­ºñ½º ½ÃÀÛ¿¡ ½ÇÆÐ¾Æ¿© Ŭ·¯½ºÅͰ¡ ¼º°øÀûÀ¸·Î ¼­ºñ½º¸¦ Á¤Áö½ÃŰÁö ¸øÇß½À´Ï´Ù. ½ÇÆÐÇÑ ¼­ºñ½º¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ Á¤º¸¸¦ º¸½Ã·Á¸é, 3.8 ÀýÀ» ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.

Ç¥ 7-2. ¼­ºñ½º »óÅÂ

ÇöÀç Ŭ·¯½ºÅÍ ½Ã½ºÅÛÀÇ »óŸ¦ ½© ÇÁ·ÒÇÁÆ®¿¡¼­ º¸½Ã·Á¸é, clustat À¯Æ¿¸®Æ¼¸¦ »ç¿ëÇϽʽÿÀ. ´ÙÀ½°ú °°Àº °á°ú°¡ Ãâ·ÂµÉ °ÍÀÔ´Ï´Ù:

Cluster Status - clustertest                                           22:15:32
Quorum: Yes, view 36
Shared State: Shared Raw Device Driver v1.0 [Min. Size=1176064]

  Member             Status    
  ------------------ ----------
  clu1               Active               
  clu2               Active     <-- You are here

  Service        Status   Owner (Last)      Last Transition Chk Restarts
  -------------- -------- ----------------  --------------- --- --------
  nfs_clutest    started  clu1              22:11:28 Jul 21   0        0
  smb_clutest    started  clu2              22:13:06 Jul 21   0        0

½© ÇÁ·ÒÇÁÆ®¿¡¼­ ÀÏÁ¤ ½Ã°£ °£°ÝÀ¸·Î Ŭ·¯½ºÅ͸¦ °¨½ÃÇϰí Ŭ·¯½ºÅÍ »óŸ¦ º¸·Á¸é, clustat ¸í·É¿¡ -i time ¿É¼ÇÀ» ÇÔ²² »ç¿ëÇϽʽÿÀ. ¿©±â¼­ timeÀº »óŸ¦ º¸°íÇÒ ½Ã°£ °£°ÝÀ» ÃÊ ´ÜÀ§·Î ÁöÁ¤ÇÏ½Ã¸é µË´Ï´Ù.

clustat -i 10