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.
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 |
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.
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.
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".
´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. |
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 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.
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.
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.
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.
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.
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.