D.4. clufence À¯Æ¿¸®Æ¼ »ç¿ë¹ý

Ŭ·¯½ºÅÍ Çϵå¿þ¾î ¼³Á¤¿¡¼­ Àü¿ø ½ºÀ§Ä¡°¡ »ç¿ëµÇ¾ú´Ù¸é °¢ Ŭ·¯½ºÅÍ ½Ã½ºÅÛ¿¡¼­ clufence À¯Æ¿¸®Æ¼¸¦ ½ÇÇàÇÏ¿© ´Ù¸¥ Ŭ·¯½ºÅÍ ±¸¼º¿øÀ» ¿ø°ÝÀûÀ¸·Î Àü¿ø »çÀÌŬ(power-cycle)ÇÒ ¼ö ÀÖµµ·Ï ÇϽʽÿÀ.

¸í·ÉÀÌ ¼º°øÀûÀ¸·Î ½ÇÇàµÈ ÈÄ ¾ç Ŭ·¯½ºÅÍ ½Ã½ºÅÛ¿¡¼­ shutil -p ¸í·ÉÀ» ½ÇÇàÇÏ¿© quorum ÆÄƼ¼Ç¿¡ ´ëÇÑ Çì´õ µ¥ÀÌÅÍ ±¸Á¶ÀÇ ¿ä¾à Á¤º¸¸¦ º¸½Ç ¼ö ÀÖ½À´Ï´Ù. ¸¸ÀÏ Ãâ·Â °á°ú°¡ ½Ã½ºÅÛ¸¶´Ù ´Ù¸£°Ô ³ªÅ¸³­´Ù¸é quorum ÆÄƼ¼ÇÀÌ ¾ç ½Ã½ºÅÛ¿¡¼­ µ¿ÀÏÇÑ ÀåÄ¡¸¦ °¡¸®Å°°í ÀÖÁö ¾Ê´Â °ÍÀ» ÀǹÌÇÕ´Ï´Ù. ¿øÀåÄ¡°¡ Á¸ÀçÇÏ´ÂÁö ±×¸®°í /etc/sysconfig/rawdevices ÆÄÀÏ¿¡ ¿Ã¹Ù¸£°Ô ÁöÁ¤µÇ¾î ÀÖ´ÂÁö È®ÀÎÇØ ÁֽʽÿÀ. ÀÚ¼¼ÇÑ Á¤º¸´Â 1.4.4.3 ÀýÀ» ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.

Ŭ·¯½ºÅÍ Çϵå¿þ¾î ¼³Á¤¿¡ ³×Æ®¿öÅ© ¿¬°áµÈ Àü¿ø ½ºÀ§Ä¡³ª Á÷·Ä ¿¬°áµÈ Àü¿ø ½ºÀ§Ä¡°¡ »ç¿ëµÈ´Ù¸é, Ŭ·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î¸¦ ¼³Ä¡ÇϽðí Àü¿ø ½ºÀ§Ä¡¸¦ ½ÃÇèÇϱâ À§ÇÏ¿© clufence ¸í·ÉÀ» ÀÔ·ÂÇϽʽÿÀ. °¢ Ŭ·¯½ºÅÍ ½Ã½ºÅÛ¿¡ ¸í·ÉÀ» ÀÔ·ÂÇÏ¿© ¿ø°ÝÀûÀ¸·Î ´Ù¸¥ Ŭ·¯½ºÅÍ ±¸¼º¿øÀ» Àü¿ø »çÀÌŬÇÒ ¼ö ÀÖ´ÂÁö È®ÀÎÇØ º¸½Ê½Ã¿À. ¸¸ÀÏ ½ÃÇèÀÌ ¼º°øÀûÀ̶ó¸é Ŭ·¯½ºÅͰ¡ ½ÃÀÛµÉ °ÍÀÔ´Ï´Ù.

clufence ¸í·ÉÀº Á¤È®ÇÏ°Ô Àü¿ø ½ºÀ§Ä¡¸¦ ½ÃÇèÇÒ ¼ö ÀÖ½À´Ï´Ù. clufence ¸í·É Çü½ÄÀº ´ÙÀ½°ú °°½À´Ï´Ù:

usage: clufence [-d] [-[furs] <member>]
  -d              Turn on debugging
  -f <member>     Fence (power off) <member>
  -u <member>     Unfence (power on) <member>
  -r <member>     Reboot (power cycle) <member>
  -s <member>     Check status of all switches controlling <member>

Àü¿ø ½ºÀ§Ä¡¸¦ ½ÃÇèÇÏ½Ç ¶§ ù ´Ü°è´Â °¢ Ŭ·¯½ºÅÍ ±¸¼º¿øÀÌ ¿¬°áµÈ Àü¿ø ½ºÀ§Ä¡¿Í ¼º°øÀûÀ¸·Î Åë½ÅÇÒ ¼ö ÀÖ´ÂÁö È®ÀÎÇÏ´Â °ÍÀÔ´Ï´Ù. ´ÙÀ½ clufence ¸í·É Ãâ·Â °á°ú´Â Ŭ·¯½ºÅÍ ±¸¼º¿øÀÌ Àü¿ø ½ºÀ§Ä¡¿Í Åë½Å °¡´ÉÇÏ´Ù´Â °ÍÀ» º¸¿©ÁÝ´Ï´Ù:

[23750] info: STONITH: baytech at 192.168.1.31, port 1 controls clu2
[23750] info: STONITH: baytech at 192.168.1.31, port 2 controls clu3
[23750] info: STONITH: wti_nps at 192.168.1.29, port clu4 controls clu4
[23750] info: STONITH: wti_nps at 192.168.1.29, port clu5 controls clu5

Ãâ·Â °á°ú¿¡¼­ ¿À·ù°¡ ³ªÅ¸³­´Ù¸é ´ÙÀ½°ú °°Àº À¯ÇüÀÇ ¹®Á¦Á¡À» ÀǹÌÇÏ´Â °ÍÀÔ´Ï´Ù:

½ºÀ§Ä¡¿ÍÀÇ Åë½ÅÀÌ °¡´ÉÇÑÁö ¼º°øÀûÀ¸·Î È®ÀÎÀ» ¸¶Ä£ ÈÄ¿¡´Â ´Ù¸¥ Ŭ·¯½ºÅÍ ±¸¼º¿øÀ» Àü¿ø »çÀÌŬ ½ÃµµÇØ º¸½Ê½Ã¿À. ´Ù¸¥ Ŭ·¯½ºÅÍ ±¸¼º¿øÀÌ ´Ù¸¥ Áß¿äÇÑ ÀÛ¾÷ (¿¹, Ȱ¼º Ŭ¶óÀÌ¾ðÆ®¿¡ Ŭ·¯½ºÅÍ ¼­ºñ½º¸¦ Á¦°øÇÏ´Â ÀÛ¾÷)À» ÇöÀç ¼öÇàÁßÀÌÁö ¾ÊÀº °ÍÀ» ¸ÕÀú È®ÀÎÇϽŠÈÄ ÀÌ ÀÛ¾÷À» ¼öÇàÇϽʽÿÀ. ´ÙÀ½ ¸í·ÉÀ» ½ÇÇàÇÏ½Ã¸é µË´Ï´Ù:

clufence -r clu3

´ÙÀ½Àº ¼º°øÀûÀÎ Àü¿ø »çÀÌŬ ÀÛ¾÷À» ¹¦»çÇÕ´Ï´Ù:

Successfully power cycled host clu3.