°ü¸® ¾È³»¼­


Sun Cluster 2.2

Sun Cluster 2.2(SC2.2)´Â Sun MicrosystemsÀÇ Å¬·¯½ºÅ͸µ ¹× °í°¡¿ë¼º Á¦Ç°ÀÔ´Ï´Ù. SC2.2´Â ´ÜÀÏ Å¬·¯½ºÅÍ¿¡¼­ ÃÖ´ë 4°³ÀÇ ¸Ó½Å±îÁö Áö¿øÇÕ´Ï´Ù. 4°³ÀÇ Ultra Enterprise 10000À» »ç¿ëÇÏ¿©, Ŭ·¯½ºÅÍ´Â ÃÖ´ë 256°³ÀÇ CPU¿Í 256GBÀÇ RAMÀ» °¡Áú ¼ö ÀÖ½À´Ï´Ù.

Áö¿øµÈ ½Ã½ºÅÛ


½Ã½ºÅÛ UltraSPARC ¸Þ¸ð¸® ¿ë·® ÀÔÃâ·Â
Ultra Enterprise 1 1 64MB-1GB 3 SBus
Ultra Enterprise 2 1-2 64MB-2GB 4 SBus
Ultra Enterprise 450 1-4 32MB-4GB 10 PCI
Ultra Enterprise 3000 1-6 64MB-6GB 9 SBus
Ultra Enterprise 4000 1-14 64MB-14GB 21 SBus
Ultra Enterprise 5000 1-14 64MB-14GB 21 SBus
Ultra Enterprise 6000 1-30 64MB-30GB 45 SBus
Ultra Enterprise 10000 1-64 512MB-64GB 64 SBus

¿¡ÀÌÀüÆ®

Sun Cluster ¼ÒÇÁÆ®¿þ¾î´Â Áö¿øµÇ´Â ¸î °³ÀÇ °í°¡¿ë¼º ¿¡ÀÌÀüÆ®¸¦ Æ÷ÇÔÇϸç SC2.2 Á¦Ç°ÀÌ ÇÔ²² Á¦°øµË´Ï´Ù. DB2 Áß Çϳª¿Í °°ÀÌ ´Ù¸¥ HA ¿¡ÀÌÀüÆ®´Â Sun ¿ÜºÎ¿¡¼­ °³¹ßµÇ¾î Sun Cluster ¼ÒÇÁÆ®¿þ¾î°¡ Á¦°øµÇÁö ¾Ê½À´Ï´Ù. DB2¿ë HA ¿¡ÀÌÀüÆ®´Â DB2¿Í ÇÔ²² Á¦°øµÇ¸ç, IBM¿¡¼­ Á¦°øÇÕ´Ï´Ù.

Sun Cluster ¼ÒÇÁÆ®¿þ¾î´Â Sun Cluster ¼ÒÇÁÆ®¿þ¾îÀÇ ´Ù¾çÇÑ ±¸¼º¿ä¼Ò¿¡ ÇØ´çÇÏ´Â ¸Þ¼Òµå(½ºÅ©¸³Æ® ¶Ç´Â ÇÁ·Î±×·¥)¸¦ µî·ÏÇÏ´Â ±âȸ¸¦ Á¦°øÇÏ¿© ¸Å¿ì »ç¿ë °¡´ÉÇÑ µ¥ÀÌÅÍ ¼­ºñ½º·Î ÀÛ¾÷ÇÕ´Ï´Ù. ÀÌ ¸Þ¼Òµå¸¦ Ȱ¿ëÇÏ¿©, SC2.2 ¼ÒÇÁÆ®¿þ¾î´Â ÀÚ¼¼ÇÑ Á¤º¸ ¾øÀÌ µ¥ÀÌÅÍ ¼­ºñ½º¸¦ Á¦¾îÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ ¸Þ¼Òµå´Â ´ÙÀ½À» Æ÷ÇÔÇÕ´Ï´Ù.

START
³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿Â¶óÀÎÀÌ µÇ±â Àü¿¡ µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ ºÎºÐÀ» ½ÃÀÛÇϱâ À§ÇØ »ç¿ëµË´Ï´Ù.

START_NET
³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿Â¶óÀÎÀÌ µÈ ÈÄ¿¡ µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ ºÎºÐÀ» ½ÃÀÛÇϱâ À§ÇØ »ç¿ëµË´Ï´Ù.

STOP
³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿ÀÇÁ¶óÀÎÀÌ µÈ ÈÄ¿¡ µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ ºÎºÐÀ» ÁßÁö½Ã۱â À§ÇØ »ç¿ëµË´Ï´Ù.

STOP_NET
³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿ÀÇÁ¶óÀÎÀÌ µÇ±â Àü¿¡ µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ ºÎºÐÀ» ÁßÁö½Ã۱â À§ÇØ »ç¿ëµË´Ï´Ù.

ABORT
STOP ¸Þ¼Òµå¿Í °°À¸¸ç, ¸Ó½ÅÀÌ Å¬·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î¿¡ ÀÇÇØ ´Ù¿îµÇ±â ¹Ù·Î Á÷Àü¿¡ ¼öÇàÇÏ´Â °Í¸¸ ´Ù¸¨´Ï´Ù. ÀÌ °æ¿ì, ¸Ó½ÅÀÇ "°ÇÀüÇÑ Á¤µµ"´Â ¾Ë ¼ö ¾øÀ¸¸ç, µ¥ÀÌÅÍ ¼­ºñ½º´Â ¸Ó½ÅÀÌ ´Ù¿îµÇ±â ÀüÀÇ "ÃÖÁ¾ Èñ¸Á" ¿äûÀ» ½ÇÇàÇÏ·Á°í ÇÒ ¼ö ÀÖ½À´Ï´Ù. ³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿ÀÇÁ¶óÀÎµÈ ÈÄ¿¡ ½ÇÇàÇϽʽÿÀ.

ABORT_NET
ABORT ¸Þ¼Òµå¿Í °°À¸³ª, ³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º°¡ ¿ÀÇÁ¶óÀεDZâ Àü¿¡ ¼öÇàÇÏ´Â °Í¸¸ ´Ù¸¨´Ï´Ù,

FM_INIT
°áÇÔ ¸ð´ÏÅ͸¦ ÃʱâÈ­ÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù.

FM_START
°áÇÔ ¸ð´ÏÅ͸¦ ½ÃÀÛÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù.

FM_STOP
°áÇÔ ¸ð´ÏÅ͸¦ ÁßÁöÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù.

FM_CHECK
hactl ¸í·É¿¡ ÀÇÇØ È£ÃâµË´Ï´Ù. ÇØ´ç µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ ÇöÀç »óŸ¦ ¸®ÅÏÇÕ´Ï´Ù.

DB2 ¿¡ÀÌÀüÆ®´Â START_NET, STOP_NET, FM_START ¹× FM_STOP°ú °°Àº ½ºÅ©¸³Æ®·Î ±¸¼ºµË´Ï´Ù. ABORT, ABORT_NET ¹× FM_CHECK¿Í °°Àº ½ºÅ©¸³Æ®´Â Ŭ·¯½ºÅÍ ±¸¼º Áß ¼öÇàÇÏÁö ¾Ê½À´Ï´Ù.

°í°¡¿ë¼º ¿¡ÀÌÀüÆ®´Â Çϳª ÀÌ»óÀÇ ÀÌ ¸Þ¼Òµåµé·Î ±¸¼ºµË´Ï´Ù. ¸Þ¼Òµå´Â hareg ¸í·ÉÀ» ÅëÇØ SC2.2·Î µî·ÏµË´Ï´Ù. µî·ÏµÇ°í ³ª¸é, Sun Cluster ¼ÒÇÁÆ®¿þ¾î°¡ ÇØ´ç ¸Þ¼Òµå¸¦ È£ÃâÇÏ¿© µ¥ÀÌÅÍ ¼­ºñ½º¸¦ Á¦¾îÇÕ´Ï´Ù.

¼­ºñ½ºÀÇ ABORT ¹× STOP ¸Þ¼Òµå´Â È£ÃâµÇÁö ¾ÊÀ» ¼ö ÀÖÀ½À» ±â¾ïÇϽʽÿÀ. ÀÌ ¸Þ¼ÒµåµéÀº µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ Á¦¾îµÈ Á¾·á¸¦ À§ÇØ »ç¿ëÇÏ·Á´Â °ÍÀ̸ç, ÀÌ ¸Þ¼ÒµåµéÀ» È£ÃâÇÏÁö ¾Ê°í ¸Ó½ÅÀÌ ½ÇÆÐÇÏ´Â °æ¿ì µ¥ÀÌÅÍ ¼­ºñ½º°¡ º¹±¸µÉ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù.

Sun Cluster ¹®¼­¿¡¼­ ÀÚ¼¼ÇÑ ³»¿ëÀ» ÂüÁ¶ÇϽʽÿÀ.

³í¸® È£½ºÆ®

SC2.2 ¼ÒÇÁÆ®¿þ¾î´Â ³í¸® È£½ºÆ®ÀÇ °³³äÀ» »ç¿ëÇÕ´Ï´Ù. ³í¸® È£½ºÆ®´Â µð½ºÅ© ¼¼Æ® ¹× Çϳª ÀÌ»óÀÇ ³í¸® °ø¿ë ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º·Î ±¸¼ºµË´Ï´Ù. ¸Å¿ì »ç¿ë °¡´ÉÇÑ µ¥ÀÌÅÍ ¼­ºñ½º´Â ³í¸® È£½ºÆ®¿Í ¿¬°üµÇ¸ç, ³í¸® È£½ºÆ®ÀÇ µð½ºÅ© ±×·ì¿¡ ÀÖ´Â µð½ºÅ©¸¦ ¿ä±¸ÇÕ´Ï´Ù. ³í¸® È£½ºÆ®´Â Ŭ·¯½ºÅÍ¿¡¼­ ´Ù¸¥ ¸Ó½Å¿¡ ÀÇÇØ ÁÖ°üµÉ ¼ö ÀÖÀ¸¸ç, ¼öÇà ÁßÀÎ ¸Ó½ÅÀÇ CPU ¹× ¸Þ¸ð¸®¸¦ "ºô¸³´Ï´Ù".

³í¸® ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º

´Ù¸¥ UNIX ±â¹Ý ¿î¿µ üÁ¦¿Í °°ÀÌ, Solaris´Â ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¿¡ ´ëÇÑ ±âº» IP ÁÖ¼Ò À̿ܿ¡ ¿©ºÐÀÇ IP ÁÖ¼Ò¸¦ °¡Áö´Â ±â´ÉÀ» °®½À´Ï´Ù. ¿©ºÐÀÇ IP ÁÖ¼Ò´Â ±âº» IP ÁÖ¼Ò°¡ ½ÇÁ¦ ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º¿¡ »óÁÖÇÏ´Â °Í°ú °°Àº ¹æ½ÄÀ¸·Î ³í¸® ÀÎÅÍÆäÀ̽º¿¡ »óÁÖÇÕ´Ï´Ù. ´ÙÀ½Àº Ŭ·¯½ºÅÍ¿¡¼­ µÎ °³ÀÇ ¸Ó½Å¿¡ ÀÖ´Â ³í¸® ÀÎÅÍÆäÀ̽ºÀÇ ¿¹ÀÔ´Ï´Ù. µÎ °³ÀÇ ³í¸® È£½ºÆ®°¡ ÀÖÀ¸¸ç, µÑ´Ù ÇöÀç "thrash" ¸Ó½Å¿¡ ÀÖ½À´Ï´Ù.

   scadmin@crackle(202)# netstat -in
   Name Mtu Net/Dest Address Ipkts Ierrs Opkts Oerrs Collis Queue
   lo0 8232 127.0.0.0 127.0.0.1 289966 0 289966 0 0 0
   hme0 1500 9.21.55.0 9.21.55.98 121657 6098 764122 0 0 0
   scid0 16321 204.152.65.0 204.152.65.1 489307 0 476479 0 0 0
   scid0:1 16321 204.152.65.32 204.152.65.33 0 0 0 0 0 0
   scid1 16321 204.152.65.16 204.152.65.17 347317 0 348073 0 0 0
     1. lo0 is the loopback interface
     2. hme0 is the public network interface (ethernet)
     3. scid0 is the first private network interface (SCI or Scalable
        Coherent Interface)
     4. scid0:1 is a logical network interface that the Sun Cluster software
        uses internally
     5. scid1 is the second private network interface
   scadmin@thrash(203)# netstat -in
   Name Mtu Net/Dest Address Ipkts Ierrs Opkts Oerrs Collis Queue
   lo0 8232 127.0.0.0 127.0.0.1 1128780 0 118780 0 0 0
   hme0 1500 9.21.55.0 9.21.55.92 1741422 5692 757127 0 0 0
   hme0:1 1500 9.21.55.0 9.21.55.109 0 0 0 0 0 0
   hme0:2 1500 9.21.55.0 9.21.55.110 0 0 0 0 0 0
   scid0 16321 204.152.65.0 204.152.65.2 476641 0 489476 0 0 0
   scid0:1 16321 204.152.65.32 204.152.65.34 0 0 0 0 0 0
   scid1 16321 204.152.65.16 204.152.65.18 348199 0 347444 0 0 0
     1. hme0:1 is a logical network interface for a logical host
     2. hme0:2 is a logical network interface for another logical host

³í¸® È£½ºÆ®´Â ¿¬°üµÈ Çϳª ÀÌ»óÀÇ ³í¸® ÀÎÅÍÆäÀ̽º¸¦ °¡Áú ¼ö ÀÖ½À´Ï´Ù. ÀÌ ³í¸® ÀÎÅÍÆäÀ̽º´Â ¸Ó½Å¿¡¼­ ¸Ó½ÅÀ¸·Î ³í¸® È£½ºÆ®¿Í ÇÔ²² À̵¿µÇ¸ç, ³í¸® È£½ºÆ®¿Í ¿¬°üµÈ µ¥ÀÌÅÍ ¼­ºñ½º¿¡ ¾×¼¼½ºÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù. ÀÌ ³í¸® ÀÎÅÍÆäÀ̽º´Â ³í¸® È£½ºÆ®¿Í ÇÔ²² À̵¿ÇϹǷÎ, Ŭ¶óÀÌ¾ðÆ®´Â »óÁÖÇÏ´Â ¸Ó½Å°ú´Â º°°³·Î µ¥ÀÌÅÍ ¼­ºñ½º¿¡ ¾×¼¼½ºÇÒ ¼ö ÀÖ½À´Ï´Ù.

¸Å¿ì »ç¿ë °¡´ÉÇÑ µ¥ÀÌÅÍ ¼­ºñ½º´Â TCP/IP ÁÖ¼Ò INADDR_ANY·Î ¹ÙÀεåÇØ¾ß ÇÕ´Ï´Ù. À̰ÍÀº ½Ã½ºÅÛ¿¡ ÀÖ´Â °¢ IP ÁÖ¼Ò°¡ µ¥ÀÌÅÍ ¼­ºñ½º¿¡ ´ëÇÑ ¿¬°áÀ» ¼ö¿ëÇÒ ¼ö ÀÖÀ½À» º¸ÀåÇÕ´Ï´Ù. µ¥ÀÌÅÍ ¼­ºñ½º°¡ ´ë½Å ƯÁ¤ IP ÁÖ¼Ò¿¡ ¹ÙÀεåÇÏ´Â °æ¿ì, µ¥ÀÌÅÍ ¼­ºñ½º¸¦ ÁÖ°üÇÏ´Â ³í¸® È£½ºÆ®¿Í ¿¬°üµÈ ³í¸® ÀÎÅÍÆäÀ̽º¸¦ ¹ÙÀεåÇØ¾ß ÇÕ´Ï´Ù. INADDR_ANY¿¡ ´ëÇÑ ¹ÙÀεùÀº µ¥ÀÌÅÍ ¼­ºñ½º¿¡¼­ ÇÊ¿ä·ÎÇÏ´Â ½Ã½ºÅÛ¿¡ µµ´ÞÇÏ¸é »õ·Î¿î IP ÁÖ¼Ò·Î ¸®¹ÙÀεåÇÏ´Â Çʿ伺À» Á¦°ÅÇÕ´Ï´Ù.
ÁÖ:HA ÀνºÅϽºÀÇ Å¬¶óÀÌ¾ðÆ®´Â ³í¸® È£½ºÆ®ÀÇ ³í¸® IP ÁÖ¼Ò¿¡ ´ëÇÑ È£½ºÆ® À̸§À» »ç¿ëÇÏ¿© µ¥ÀÌÅͺ£À̽º¸¦ īŻ·Î±×ÇØ¾ß ÇÕ´Ï´Ù. DB2°¡ ÇØ´ç ¸Ó½Å¿¡¼­ ¼öÇà ÁßÀÏ °ÍÀ̶ó°í º¸ÀåÇÒ ¼ö ¾øÀ¸¹Ç·Î, Ŭ¶óÀÌ¾ðÆ®´Â ¸Ó½ÅÀÇ ±âº» È£½ºÆ® À̸§À» »ç¿ëÇÏÁö ¸»¾Æ¾ß ÇÕ´Ï´Ù.

µð½ºÅ© ±×·ì ¹× ÆÄÀÏ ½Ã½ºÅÛ

µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ µð½ºÅ©´Â ±×·ì(¶Ç´Â ¼¼Æ®)¿¡¼­ ³í¸® È£½ºÆ®¿Í ¿¬°üµË´Ï´Ù. Ŭ·¯½ºÅͰ¡ Sun StorEdge Volume Manager(Veritas)¸¦ ¼öÇà ÁßÀÎ °æ¿ì, Sun Cluster ¼ÒÇÁÆ®¿þ¾î´Â Veritas "vxdg" À¯Æ¿¸®Æ¼¸¦ »ç¿ëÇÏ¿© °¢ ³í¸® È£½ºÆ®ÀÇ µð½ºÅ© ±×·ìÀ» °¡Á®¿À°í ³»º¸³À´Ï´Ù. ´ÙÀ½Àº "thrash"À̶ó°í ÇÏ´Â ¸Ó½Å¿¡ ÀÇÇØ ÁÖ°üµÇ´Â µÎ °³ÀÇ ³í¸® È£½ºÆ® "log0" ¹× "log1"ÀÇ µð½ºÅ© ±×·ìÀÇ ¿¹ÀÔ´Ï´Ù. "crackle"À̶ó°í ÇÏ´Â ¸Ó½ÅÀº ÇöÀç ÀÓÀÇÀÇ ³í¸® È£½ºÆ®¸¦ ÁÖ°üÇÏÁö ¾Ê½À´Ï´Ù.

   scadmin@crackle(206)# vxdg list
   NAME STATE ID
   rootdg enabled 899825206.1025.crackle
   scadmin@thrash(205)# vxdg list
   NAME STATE ID
   rootdg enabled 924176206.1025.thrash
   data0 enabled 925142028.1157.crackle=
   data1 enabled 899826248.1108.crackle

µð½ºÅ© ±×·ì "data0" ¹× "data1"Àº ³í¸® È£½ºÆ® "log0" ¹× "log1"¿¡ °¢°¢ ÇØ´çÇÕ´Ï´Ù. µð½ºÅ© ±×·ì "data0"Àº

   vxdg deport data0

À» ¼öÇàÇÏ¿© "thrash"¿¡¼­ ³»º¸³»Áö¸ç ´ÙÀ½À» ¼öÇàÇÏ¿© "crackle"·Î °¡Á®¿É´Ï´Ù.

   vxdg import data1

À̰ÍÀº Sun Cluster ¼ÒÇÁÆ®¿þ¾î¿¡ ÀÇÇØ ÀÚµ¿À¸·Î ¼öÇàµÇ¸ç, Ȱµ¿ Ŭ·¯½ºÆ®¿¡¼­ ¼öµ¿À¸·Î ¼öÇàµÇÁö ¸»¾Æ¾ß ÇÕ´Ï´Ù.

°¢ µð½ºÅ© ±×·ì¿¡´Â Ŭ·¯½ºÅÍ¿¡¼­ µÎ °³ ÀÌ»óÀÇ ¸Ó½Å °£¿¡ °øÀ¯µÉ ¼ö ÀÖ´Â ¸î °³ÀÇ µð½ºÅ©°¡ µé¾î ÀÖ½À´Ï´Ù. ³í¸® È£½ºÆ®´Â ¼ÓÇÑ µð½ºÅ© ±×·ì¿¡ ÀÖ´Â µð½ºÅ©¿¡ ´ëÇÑ ½ÇÁ¦ ¾×¼¼½º¸¦ °®´Â ¶Ç´Ù¸¥ ¸Ó½ÅÀ¸·Î À̵¿¸¸ µÉ ¼ö ÀÖ½À´Ï´Ù.

°¢ ³í¸® È£½ºÆ®¿¡ ´ëÇÑ ÆÄÀÏ ½Ã½ºÅÛÀ» Á¦¾îÇÏ´Â µÎ °³ÀÇ ÆÄÀÏÀÌ ÀÖ½À´Ï´Ù.

   /etc/opt/SUNWcluster/conf/hanfs/vfstab.<logical_host>
   /etc/opt/SUNWcluster/conf/hanfs/dfstab.<logical_host>

¿©±â¼­, logical_host´Â ¿¬°üµÈ ³í¸® È£½ºÆ® À̸§ÀÇ À̸§ÀÔ´Ï´Ù.

vfstab ÆÄÀÏÀº /etc/vfstab ÆÄÀϰú À¯»çÇϸç, ´ÜÁö µð½ºÅ© ±×·ìÀÌ ³í¸® È£½ºÆ®¿ëÀ¸·Î °¡Á®¿Â ÈÄ¿¡ ¸¶¿îÆ®µÇ´Â ÆÄÀÏ ½Ã½ºÅÛ¿¡ ´ëÇÑ Ç׸ñÀÌ µé¾î ÀÖ´Â °Í¸¸ ´Ù¸¨´Ï´Ù. dfstab ÆÄÀÏÀº /etc/dfs/dfstab ÆÄÀϰú À¯»çÇϸç, ³í¸® È£½ºÆ®ÀÇ HA-NFS¸¦ ÅëÇØ ³»º¸³»±â À§ÇØ ÆÄÀÏ ½Ã½ºÅÛ¿¡ ´ëÇÑ Ç׸ñÀÌ µé¾î ÀÖ´Â °Í¸¸ ´Ù¸¨´Ï´Ù. °¢ ¸Ó½ÅÀº ÀÌ ÆÄÀϵ鿡 ´ëÇÑ ÀÚü »çº»À» °¡Áö¸ç, Ŭ·¯½ºÅÍ¿¡ ÀÖ´Â °¢ ¸Ó½Å¿¡¼­ µ¿ÀÏÇÑ ³»¿ëÀ» °¡Áö´ÂÁö È®ÀÎÇÏ·Á¸é ÁÖÀÇÇØ¾ß ÇÕ´Ï´Ù.
ÁÖ:³í¸® È£½ºÆ®ÀÇ vfstab ¹× dfstab ÆÄÀÏÀº hanfs µð·ºÅ丮¸¦ Æ÷ÇÔÇϹǷΠ¿ÀÇØµÇ±â ½±½À´Ï´Ù. ³í¸® È£½ºÆ®ÀÇ dfstab ÆÄÀϸ¸ÀÌ HA-NFS¿ëÀ¸·Î »ç¿ëµË´Ï´Ù. HA-NFS°¡ ±¸¼ºµÇÁö ¾Ê´õ¶óµµ vfstab ÆÄÀÏÀÌ »ç¿ëµË´Ï´Ù.

´ÙÀ½Àº »óÈ£ ÀÎ°è ±¸¼º¿¡¼­ DB2 Universal Database EEE(Enterprise - Extended Edition)¸¦ ¼öÇàÇϴ Ŭ·¯½ºÅÍÀÇ ¿¹ÀÔ´Ï´Ù.

   scadmin@thrash(217)# ls -l /etc/opt/SUNWcluster/conf/hanfs
   total 8
   -rw-r--r-- 1 root build 173 Apr 14 15:01 dfstab.log0
   -rw-r--r-- 1 root build 316 Apr 26 12:07 vfstab.log0
   -rw-r--r-- 1 root build 389 Apr 13 21:04 vfstab.log1
   scadmin@thrash(218)# cat dfstab.log0
   share -F nfs -o root=crackle:thrash:\
   jolt:bump:crackle.torolab.ibm.com:thrash.torolab.ibm.com:\
   jolt.torolab.ibm.com:bump.torolab.ibm.com /log0/home

/log0/home ÆÄÀÏ ½Ã½ºÅÛÀ» ¸¶¿îÆ®Çϵµ·Ï »ç¿ë±ÇÇÑÀÌ Á¦°øµÈ È£½ºÆ®´Â Ŭ·¯½ºÅÍ¿¡ ÀÖ´Â °¢ ¸Ó½ÅÀÇ ¸ðµç ³×Æ®¿öÅ© ÀÎÅÍÆäÀ̽º(³í¸® ¹× ¹°¸®)¿¡¼­ ¿É´Ï´Ù. ÆÄÀÏ ½Ã½ºÅÛÀº ·çÆ® »ç¿ë±ÇÇÑÀ¸·Î ³»º¸³À´Ï´Ù.

scadmin@thrash(220)# cat vfstab.log0
#device to mount             device  to fsck               mount       FS   fsck mount   options
#                                                          point       type pass at boot
/dev/vx/dsk/data0/data1-stat /dev/vx/rdsk/data0/data1-stat /log0       ufs  2    no      -
/dev/vx/dsk/data0/vol01      /dev/vx/rdsk/data0/vol01      /log0/home  ufs  2    no      -
/dev/vx/dsk/data0/vol02      /dev/vx/rdsk/data0/vol02      /log0/data  ufs  2    no      -
scadmin@thrash(221)# cat vfstab.log1
#device to mount             device  to fsck               mount       FS   fsck mount   options
#                                                          point       type pass at boot
/dev/vx/dsk/data1/data1-stat /dev/vx/rdsk/data1/data1-stat /log1       ufs  2    no      -
/dev/vx/dsk/data1/vol01      /dev/vx/rdsk/data1/vol01      /log1/home  ufs  2    no      -
/dev/vx/dsk/data1/vol02      /dev/vx/rdsk/data1/vol02      /log1/data  ufs  2    no      -
/dev/vx/dsk/data1/vol03      /dev/vx/rdsk/data1/vol03      /log1/data1 ufs  2    no      -

vfstab.log0 ÆÄÀÏ¿¡´Â /log0 µð·ºÅ丮 ¾Æ·¡ÀÇ ÆÄÀÏ ½Ã½ºÅÛ¿¡ ´ëÇÑ ¼¼°¡Áö À¯È¿ÇÑ Ç׸ñÀÌ µé¾î ÀÖ½À´Ï´Ù. ³í¸® È£½ºÆ® log0ÀÇ ÆÄÀÏ ½Ã½ºÅÛÀº ³í¸® È£½ºÆ®¿Í ¿¬°üµÈ µð½ºÅ© ±×·ì data0ÀÇ ÀϺÎÀÎ ³í¸® º¼·ý ÀåÄ¡¸¦ »ç¿ëÇÕ´Ï´Ù.

vfstab ÆÄÀÏ¿¡ ÀÖ´Â ÆÄÀÏ ½Ã½ºÅÛÀº ¸Ç À§¿¡¼­ ¸Ç ¾Æ·¡ÀÇ ¼ø¼­·Î ¸¶¿îÆ®µÇ¹Ç·Î, ÆÄÀÏ ½Ã½ºÅÛÀÌ ¿Ã¹Ù¸¥ ¼ø¼­·Î ³ª¿­µÇ¾î ÀÖÀ½À» º¸ÀåÇÏ´Â °ÍÀÌ Áß¿äÇÕ´Ï´Ù. ƯÁ¤ ÆÄÀÏ ½Ã½ºÅÛ ¾Æ·¡¿¡ ¸¶¿îÆ®µÈ ÆÄÀÏ ½Ã½ºÅÛÀº ƯÁ¤ ÆÄÀÏ ½Ã½ºÅÛ ¾Æ·¡¿¡ ³ª¿­µÇ¾î¾ß ÇÕ´Ï´Ù. ³í¸® È£½ºÆ®¿ëÀ¸·Î ÇÊ¿äÇÑ ½ÇÁ¦ ÆÄÀÏ ½Ã½ºÅÛÀº µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ Çʿ伺¿¡ ÀÇÇØ Á¿ìµÇ¸ç, ÀÌ ¿¹¿Í´Â »ó´çÈ÷ ´Ù¸¨´Ï´Ù.

½ÇÆÐº¹±¸ Áß, SC2.2 ¼ÒÇÁÆ®¿þ¾î´Â ³í¸® È£½ºÆ®¿Í ¿¬°üµÈ µð½ºÅ© ±×·ì ¹× ³í¸® ÀÎÅÍÆäÀ̽º°¡ ¸Ó½Å¿¡¼­ ¸Ó½Å±îÁö Ŭ·¯½ºÅÍ ÁÖº¯¿¡¼­ µÚµû¸£´ÂÁö È®ÀÎÇÏ´Â µ¥ °ü¿©ÇÕ´Ï´Ù. ¸Å¿ì »ç¿ë °¡´ÉÇÑ µ¥ÀÌÅÍ ¼­ºñ½º´Â ½ÇÆÐº¹±¸ ÀÌÈÄ¿¡ »õ ½Ã½ºÅÛ¿¡¼­ ÃÖ¼ÒÇÑ ÀÌ ÀÚ¿øµéÀ» »ç¿ë °¡´ÉÇÏ°Ô ÇÏ·Á°í ±â´ëÇÕ´Ï´Ù. »ç½Ç, ¸¹Àº µ¥ÀÌÅÍ ¼­ºñ½º´Â ¸Å¿ì »ç¿ë °¡´ÉÇÑ Áö ÀνÄÇÒ ¼ö Á¶Â÷ ¾øÀ¸¸ç ½ÇÆÐº¹±¸ ÀÌÈÄ¿¡ ÀÌ ÀÚ¿øÀÌ ¶È°°ÀÌ "Ç¥½ÃµÇ°Ô" ÇØ¾ß ÇÕ´Ï´Ù.

Á¦¾î ¹æ¹ý

Á¦¾î ¹æ¹ýÀº ´ÙÀ½À» »ç¿ëÇÏ¿© µî·ÏµË´Ï´Ù.

   hareg(1m)

HA ¼­ºñ½º°¡ µî·ÏµÇ°í ³ª¸é, SC2.2´Â Ŭ·¯½ºÅÍ À籸¼º ¶Ç´Â ½ÇÆÐº¹±¸ Áß ÀûÀýÇÑ ½Ã°£¿¡ HA ¼­ºñ½º¿ëÀ¸·Î µî·ÏµÈ ¸Þ¼Òµå¸¦ È£ÃâÇÏ´Â µ¥ °ü¿©ÇÕ´Ï´Ù.

´ÙÀ½ Á¶Ä¡´Â Ŭ·¯½ºÅÍ À籸¼º(Á¦¾îµÈ ½ÇÆÐº¹±¸) Áß (Á¦°øµÈ ¼ø¼­·Î) ¹ß»ýÇÕ´Ï´Ù. ¸Ó½Å¿¡ Àå¾Ö°¡ ÀÖ´Â °æ¿ì ´Ü°è 5c¸¦ ¼±ÇàÇÏ´Â Á¶Ä¡´Â ÃëÇØÁöÁö ¾Ê½À´Ï´Ù. (Ŭ·¯½ºÅÍ À籸¼º¿¡ ´ëÇÑ ÀÚ¼¼ÇÑ ³»¿ëÀº, SC2.2 ¹®¼­¸¦ ÂüÁ¶ÇϽʽÿÀ).

  1. FM_STOP method is run.
  2. STOP_NET method is run.
  3. Logical interfaces for the logical host are brought offline.
       - ifconfig hme0:1 0.0.0.0 down
  4. STOP method is run.
  5. Disk groups and file systems are moved.
       a. Unmount logical host file systems.
       b. vxdg deport disk groups on one machine.
     - - Only the steps below are run if a machine crashes - -
       c. vxdg import disk groups on the other machine.
       d. fsck logical host file systems.
       e. Mount logical host file systems.
  6. START method is run.
  7. Logical interfaces for the logical host are brought online.
       - ifconfig hme0:1 <ip address> up
  8. START_NET method is run.
  9. FM_INIT method is run.
 10. FM_START method is run.

Á¦¾î ¹æ¹ýÀº ´ÙÀ½°ú °°Àº ¸í·ÉÇà Àμö·Î ¼öÇàµË´Ï´Ù.

   METHOD <logical hosts being hosted> <logical hosts not being hosted> <time-out>

ù¹øÂ° Àμö´Â ÇöÀç ÁÖ°üÇϰí ÀÖ´Â ³í¸® È£½ºÆ®¸¦ ½°Ç¥·Î ±¸ºÐÇÑ ¸ñ·ÏÀ̸ç, µÎ¹øÂ°´Â ÁÖ°üÇϰí ÀÖÁö ¾Ê´Â ³í¸® È£½ºÆ®¸¦ ½°Ç¥·Î ±¸ºÐÇÑ ¸ñ·ÏÀÔ´Ï´Ù. ¸¶Áö¸· Àμö´Â ¸Þ¼ÒµåÀÇ ½Ã°£Á¾·á·Î, SC2.2 ¼ÒÇÁÆ®¿þ¾î°¡ ¸Þ¼Òµå¸¦ Ãë¼ÒÇϱâ Àü¿¡ ¼öÇàÇϵµ·Ï Çã¿ëµÈ ½Ã°£·®ÀÔ´Ï´Ù.

µð½ºÅ© ¹× ÆÄÀÏ ½Ã½ºÅÛ ±¸¼º

SC2.2´Â µÎ °³ÀÇ º¼·ý °ü¸® ÇÁ·Î±×·¥, Sun StorEdge Volume Manager(Veritas) ¹× Solstice Disk Suite¸¦ Áö¿øÇÕ´Ï´Ù. µÑ´Ù Àß ÀÛ¾÷ÇÏÁö¸¸, StorEdge Volume Manager´Â Ŭ·¯½ºÅÍµÈ È¯°æ¿¡¼­ ÀÌÁ¡À» °®½À´Ï´Ù. ¾î¶² Ŭ·¯½ºÅÍ ±¸¼º¿¡¼­, µð½ºÅ© °Ý³³ÀåÄ¡ÀÇ Á¦¾î±â ¹øÈ£´Â Ŭ·¯½ºÅÍ¿¡¼­ °¢ ±â°è¿¡ ´ëÇØ ´Ù¸¦ ¼ö ÀÖ½À´Ï´Ù. Á¦¾î±â ¹øÈ£°¡ ´Ù¸¥ °æ¿ì, Á¦¾î±âÀÇ µð½ºÅ© ÀåÄ¡¿¡ ´ëÇÑ °æ·Î´Â ´Ù¸¨´Ï´Ù. Disk Suite´Â µð½ºÅ© ÀåÄ¡ °æ·Î·Î Á÷Á¢ ÀÛ¾÷ÇϹǷÎ, ÀÌ »óȲ¿¡¼­ Àß ÀÛ¾÷ÇÏÁö ¾Ê½À´Ï´Ù. StorEdge Volume Manager´Â Á¦¾î±â ¹øÈ£¿Í ¹«°üÇÏ°Ô µð½ºÅ© ÀÚü·Î ÀÛ¾÷Çϸç, Á¦¾î±â ¹øÈ£°¡ ´Ù¸¥ °æ¿ì ¿µÇâ¹ÞÁö ¾Ê½À´Ï´Ù.

HAÀÇ ¸ñÇ¥´Â µ¥ÀÌÅÍ ¼­ºñ½ºÀÇ »ç¿ë °¡´É¼ºÀ» Áõ°¡½ÃŰ´Â °ÍÀ¸·Î, ¸ðµç ÆÄÀÏ ½Ã½ºÅÛ ¹× µð½ºÅ© ÀåÄ¡°¡ ¹Ì·¯µÇ´ÂÁö ¶Ç´Â RAID ±¸¼ºÀ¸·Î µÇ¾î ÀÖ´ÂÁö È®ÀÎÇÏ´Â °ÍÀÌ Áß¿äÇÕ´Ï´Ù. À̰ÍÀº ½ÇÆÐÇÑ µð½ºÅ©·Î ÀÎÇÑ ½ÇÆÐº¹±¸¸¦ ¹æÁöÇϸç Ŭ·¯½ºÅÍÀÇ ¾ÈÁ¤¼ºÀ» Áõ°¡½Ãŵ´Ï´Ù.

HA-NFS

DB2 UDB EEE´Â ÀνºÅϽº°¡ ¿©·¯ ¸Ó½Å¿¡¼­ ±¸¼ºµÉ ¶§ °øÀ¯µÈ ÆÄÀÏ ½Ã½ºÅÛÀ» ¿ä±¸ÇÕ´Ï´Ù. ÀϹÝÀûÀÎ DB2 UDB EEE ±¸¼ºÀº NFS·ÎºÎÅÍ ÇϳªÀÇ ¸Ó½Å¿¡¼­ ³»º¸³½ Ȩ µð·ºÅ丮¸¦ °¡Áö¸ç, EEE ÀνºÅϽº¿¡ Âü¿©ÇÏ´Â ¸ðµç ¸Ó½Å¿¡ ¸¶¿îÆ®µË´Ï´Ù. »óÈ£ ÀÎ°è ±¸¼ºÀÇ °æ¿ì, DB2 UDB EEE´Â HA-NFS¿¡ ÀÇÇØ Á¿ìµÇ¾î °øÀ¯µÈ °í°¡¿ë ÆÄÀÏ ½Ã½ºÅÛÀ» Á¦°øÇÕ´Ï´Ù. ³í¸® È£½ºÆ® Áß Çϳª´Â HA-NFS¸¦ ÅëÇØ ÆÄÀÏ ½Ã½ºÅÛÀ» ³»º¸³»¸ç, Ŭ·¯½ºÅÍ ³»ÀÇ °¢ ¸Ó½ÅÀº EEE ÀνºÅϽºÀÇ È¨ µð·ºÅä·Î¼­ ÆÄÀÏ ½Ã½ºÅÛÀ» ¸¶¿îÆ®ÇÕ´Ï´Ù. HA-NFS¿¡ ´ëÇØ¼­´Â Sun Cluster ¹®¼­¿¡¼­ ÀÚ¼¼ÇÑ ³»¿ëÀ» ÂüÁ¶ÇϽʽÿÀ.

ÄÜ¼Ö ¹× ctelnet À¯Æ¿¸®Æ¼

SC2.2¿Í ÇÔ²² Á¦°øµÇ´Â µÎ°¡Áö À¯¿ëÇÑ À¯Æ¿¸®Æ¼´Â cconsole ¹× ctelnetÀÔ´Ï´Ù. ÀÌ À¯Æ¿¸®Æ¼´Â Ŭ·¯½ºÅÍ¿¡¼­ µ¿½Ã¿¡ ¿©·¯ ¸Ó½Å¿¡ ´ÜÀÏ ¸í·ÉÀ» ¹ßÇàÇÏ´Â µ¥ »ç¿ëµÉ ¼ö ÀÖ½À´Ï´Ù. ÀÌ À¯Æ¿¸®Æ¼·Î ±¸¼º ÆÄÀÏÀ» ÆíÁýÇϸé Ŭ·¯½ºÅÍ¿¡ ÀÖ´Â ¸ðµç ¸Ó½Å¿¡¼­ µ¿ÀÏÇϵµ·Ï º¸ÀåÇÕ´Ï´Ù. ¶ÇÇÑ ÀÌ À¯Æ¿¸®Æ¼´Â °¢ ¸Ó½Å¿¡¼­ µ¿ÀÏÇÑ ¹æ¹ýÀ¸·Î ¼ÒÇÁÆ®¿þ¾î¸¦ ¼³Ä¡Çϱâ À§ÇØ »ç¿ëµÉ ¼ö ÀÖ½À´Ï´Ù. ÀÌ À¯Æ¿¸®Æ¼¿¡ ´ëÇØ¼­´Â Sun Cluster ¹®¼­¿¡¼­ ÀÚ¼¼ÇÑ ³»¿ëÀ» ÂüÁ¶ÇϽʽÿÀ.

Ä·ÆÛ½º Ŭ·¯½ºÅ͸µ ¹× ´ë·ú Ŭ·¯½ºÅ͸µ

Ŭ·¯½ºÅÍÀÇ ¸Ó½ÅÀÌ µ¿ÀÏÇÑ °Ç¹°¿¡ ¾øÀ» ¶§ÀÇ Å¬·¯½ºÅ͸¦ Ä·ÆÛ½º Ŭ·¯½ºÅͶó°í ÇÕ´Ï´Ù. Ä·ÆÛ½º Ŭ·¯½ºÅÍ´Â ´ÜÀÏ ½ÇÆÐ ÁöÁ¡À¸·Î¼­ °Ç¹° ÀÚü¸¦ Á¦°ÅÇÏ´Â µ¥ À¯¿ëÇÕ´Ï´Ù. ¿¹¸¦ µé¾î, Ŭ·¯½ºÅÍ¿¡ ÀÖ´Â ¸Ó½ÅÀÌ ¸ðµÎ µ¿ÀÏÇÑ °Ç¹°¿¡ ÀÖÀ¸¸ç Àü¼ÒÇÑ °æ¿ì, Àüü Ŭ·¯½ºÅͰ¡ ¿µÇâÀ» ¹Þ½À´Ï´Ù. ±×·¯³ª, ¸Ó½ÅÀÌ ´Ù¸¥ °Ç¹°¿¡ ÀÖÀ¸¸ç °Ç¹° Áß Çϳª°¡ Àü¼ÒÇϸé Ŭ·¯½ºÅÍ´Â ÀÜÁ¸ÇÕ´Ï´Ù.

´ë·ú Ŭ·¯½ºÅÍ´Â ´Ù¸¥ µµ½Ã°£¿¡ ºÐ¹èµÈ Ŭ·¯½ºÅÍÀÔ´Ï´Ù. ÀÌ °æ¿ì, ¸ñÇ¥´Â ´ÜÀÏ ½ÇÆÐ ÁöÁ¡À¸·Î¼­ Áö¸®ÇÐÀû Áö¿ªÀ» Á¦°ÅÇÏ´Â °ÍÀÔ´Ï´Ù. ÀÌ·¯ÇÑ À¯ÇüÀÇ Å¬·¯½ºÅÍ´Â ÁöÁø°ú ÇØÀϰú °°Àº Å« ÀçÇØ·ÎºÎÅÍ º¸È£ÇÕ´Ï´Ù.

ÇöÀç, Sun Cluster´Â 10km ¶Ç´Â 6 ¸¶ÀÏ °¡·® ¶³¾îÁø ¸Ó½ÅÀ» Áö¿øÇÒ ¼ö ÀÖ½À´Ï´Ù. À̰ÍÀº µÎ °³ÀÇ ´Ù¸¥ »çÀÌÆ®°£ÀÇ °í¼Ó ¿¬°áÀÌ ÇÊ¿äÇÑ »ç¶÷µé¿¡°Ô Ä·ÆÛ½º Ŭ·¯½ºÅ͸µÀ» ½ÇÇà °¡´ÉÇÑ ¿É¼ÇÀ¸·Î ¸¸µì´Ï´Ù. Ŭ·¯½ºÅÍ´Â µÎ °³ÀÇ °³º° »óÈ£ ¿¬°á°ú ¸î °³ÀÇ °øÀ¯ µð½ºÅ©¿ë ±¤ÇÐ ÄÉÀ̺íÀ» ¿ä±¸ÇÕ´Ï´Ù. µÎ °³ÀÇ »çÀÌÆ® °£ÀÇ °í¼Ó ¿¬°áÀÇ ºñ¿ëÀº ÀÌÁ¡À» »ó¼â½Ãų ¼ö ÀÖ½À´Ï´Ù.

ÀϹÝÀûÀÎ ¹®Á¦Á¡

SC2.2 ¼ÒÇÁÆ®¿þ¾î´Â Ŭ·¯½ºÅÍ ±¸¼º µ¥ÀÌÅͺ£À̽º ¶Ç´Â CCD(4)¸¦ »ç¿ëÇÏ¿© Ŭ·¯½ºÅÍ ±¸¼ºÀÇ ´ÜÀÏ Å¬·¯½ºÅÍ¿¡ °ÉÄ£ ÀúÀå¼Ò¸¦ Á¦°øÇÕ´Ï´Ù. CCD´Â °³º° API¸¦ °¡Áö¸ç /etc/opt/SUNWcluster/conf µð·ºÅ丮 ¾Æ·¡¿¡ ÀúÀåµË´Ï´Ù. µå¹°°Ô, CCD´Â µ¿½Ã¼ºÀ» ¹þ¾î³¯ ¼ö ÀÖÀ¸¸ç, Á¤Á¤µÉ Çʿ䰡 ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù. ÀÌ »óȲ¿¡¼­ CCD¸¦ Á¤Á¤ÇÏ´Â °¡Àå ÁÁÀº ¹æ¹ýÀº ¹é¾÷ »çº»¿¡¼­ º¹¿øÇÏ´Â °ÍÀÔ´Ï´Ù.

CCD¸¦ ¹é¾÷ÇÏ·Á¸é, Ŭ·¯½ºÅÍ ³»ÀÇ ¸ðµç ¸Ó½Å¿¡¼­ Ŭ·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î¸¦ Á¾·áÇϰí, /etc/opt/SUNWcluster/conf µð·ºÅ丮¸¦ "tar"Çϰí tar ÆÄÀÏÀ» ¾ÈÀüÇÑ Àå¼Ò¿¡ ÀúÀåÇϽʽÿÀ. ¹é¾÷ÀÌ ÀÛ¼ºµÉ ¶§ Ŭ·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î°¡ Á¾·áµÇÁö ¾ÊÀ¸¸é, CCD¸¦ º¹¿ø½Ã ¹®Á¦Á¡ÀÌ ¹ß»ýÇÒ ¼ö ÀÖ½À´Ï´Ù. Ŭ·¯½ºÅÍ ±¸¼ºÀÌ º¯°æµÇ¸é ¾ðÁ¦¶óµµ »õ·Î ¹é¾÷ÇÏ¿© Ãֽйé¾÷À» À¯ÁöÇϽʽÿÀ. CCD¸¦ º¹¿øÇÏ·Á¸é, Ŭ·¯½ºÅÍ ³»ÀÇ ¸ðµç ¸Ó½Å¿¡¼­ Ŭ·¯½ºÅÍ ¼ÒÇÁÆ®¿þ¾î¸¦ Á¾·áÇϰí, conf µð·ºÅ丮¸¦ conf.old·Î À̵¿Çϰí, ¹é¾÷ »çº»À» "untar"ÇϽʽÿÀ. ±×·¯¸é Ŭ·¯½ºÅÍ´Â »õ·Î¿î CCD·Î ½ÃÀÛµÉ ¼ö ÀÖ½À´Ï´Ù.


[ ÆäÀÌÁöÀÇ ¸Ç À§ | ÀÌÀü ÆäÀÌÁö | ´ÙÀ½ ÆäÀÌÁö | ¸ñÂ÷ | »öÀÎ ]