¡¡
 
 
 ´õºíÅ×ÀÌÅ©
 ¼¨µµ¿ì ÇÁ·ÎÅØÆ®
 SB¾îµå¹Î
 K-Ŭ·¯½ºÅÍ
 ¼­ºñ½ºÅ°ÆÛ
 
 
 | ´õºíÅ×ÀÌÅ© (Double-Take)  | °í°¡¿ë¼º(HA)±â´É

  HA(High Availability, °í°¡¿ë¼º) ±â´É ¼³¸í

ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É - Automatic Fail Over (AFO)
´ÙÁß ¿î¿µ ¼­¹öÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
MSCSÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
NASÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
¿ø°ÝÁö»óÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
Multi-tier ÄÄÇ»ÆÃÀÇ ÀÚµ¿ Àå¾Ö º¹±¸
Double-Take ±¸¼º ¸ðµ¨: HA/DR ¸ðµ¨



  ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É - Automatic Fail Over (AFO)
  • Target Node´Â ½Ç½Ã°£À¸·Î Source NodeÀÇ Àå¾Ö(Down) ¿©ºÎ¸¦ °¨ÁöÇÕ´Ï´Ù.

  • Target Node´Â Source Node Àå¾Ö ½Ã Source NodeÀÇ Network Name°ú Address¸¦ ÀÚµ¿À¸·Î ȹµæÇÏ°í Source Node¿¡¼­ Real-TimeÀ¸·Î BackupµÈ µ¥ÀÌÅ͸¦ ÀÌ¿ëÇÏ¿© »ç¿ëÀڵ鿡°Ô µ¿ÀÏÇÑ ¼­ºñ½º¸¦ °è¼Ó Á¦°øÇÕ´Ï´Ù.

  • À̶§ Target Node´Â Target Node¿Í Source NodeÀÇ Network Á¤º¸¸¦ µ¿½Ã¿¡ À¯ÁöÇϸç, Target Node¿¡¼­ ¿î¿µµÇ´Â Application°ú Source Node¿¡¼­ ÀÌÀüµÈ ApplicationÀ» µ¿½Ã¿¡ ½ÇÇàÇÕ´Ï´Ù.  

 
¡¡

  • Source NodeÀ» ÀÌ¿ëÁßÀÎ Client PC »ç¿ëÀÚ´Â Source Node Àå¾Ö½Ã Target Node¿¡ À翬°áµÇ¾î ÀÛ¾÷À» °è¼Ó ÁøÇàÇÕ´Ï´Ù.

 

  • Source Node¿¡¼­ °øÀ¯ µð·ºÅ͸®¸¦ Target Node·Î Real-Time Backup ÇÒ ¶§ Source Node Àå¾Ö ½Ã Target Node¿¡¼­ µ¿ÀÏÇÑ °øÀ¯ µð·ºÅ͸® ¼­ºñ½º¸¦ Client »ç¿ëÀÚ¿¡°Ô Á¦°øÇÕ´Ï´Ù.

  • Source NodeÀÇ Exchange Mail, RDB ¼­¹ö, Web ¼­¹ö µîÀÇ ¼­ºñ½º°¡ Source Node Àå¾Ö ½Ã Target Node·Î ¼­ºñ½º°¡ ÀÚµ¿ Fail OverµÇ¾î Client¿¡°Ô °è¼Ó ¼­ºñ½º¸¦ Á¦°øÇÕ´Ï´Ù.

  • Fail Over´Â ÁöÁ¤µÈ ¼­ºñ½º¿¡ ´ëÇÑ Pre-Failover Script ÆÄÀÏ°ú Post-Failover Script ÆÄÀÏÀ» Double-Take Fail Over Monitor ¼­ºñ½º°¡ ½ÇÇàÇÏ¿© ÇØ´ç ¼­ºñ½º¸¦ ´Ù½Ã½ÃÀÛ ÇÕ´Ï´Ù.


 ´ÙÁß ¿î¿µ ¼­¹öÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É - Multiple Automatic Fail Over (AFO)
  • ÇÑ °³ÀÇ Target Node´Â µ¿½Ã¿¡ 50´ëÀÇ ¿î¿µ¼­¹ö¿¡ ´ëÇÏ¿© ÀÚµ¿ Àå¾Ö º¹±¸(Failover) ¼­ºñ½º¸¦ Áö¿øÇÕ´Ï´Ù.

  • µÎ °³ ÀÌ»óÀÇ Source Node¿¡ ´ëÇÏ¿© Target Node°¡ µ¿½Ã¿¡ Fail Over ¼­ºñ½º¸¦ Áö¿øÇϱâ À§Çؼ­´Â Target NodeÀÇ ¼­¹ö ¿ë·®ÀÌ »ó´ëÀûÀ¸·Î ´ë¿ë·®À̾î¾ß ÇÕ´Ï´Ù.¡¡

     


 MSCSÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
  • MSCS(Microsoft Cluster Server)¸¦ À§ÇÑ Double-Take ±¸¼º
  • MSCS Àüü Àå¾Ö ½Ã MSCS¿¡¼­ ¼öÇàµÇ´Â ¸ðµç ¾÷¹«°¡ Àå¾Ö º¹±¸µË´Ï´Ù.

¡¡


 NASÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É
  • ´õºíÅ×ÀÌÅ©´Â LAN ¹× WAN »ó¿¡¼­ NAS-to-NAS °£ÀÇ ½Ç½Ã°£ ¹é¾÷À» ¼öÇàÇÏ¿© NAS ¼­¹öÀÇ ÀçÇغ¹±¸ ȯ°æÀ» °£´ÜÇÏ°Ô ±¸ÃàÇÒ ¼ö ÀÖ½À´Ï´Ù.

  • ¿î¿µÁßÀÎ NAS ¼­¹ö¿¡¼­ Àå¾Ö°¡ ¹ß»ýÇÏ¸é ¹é¾÷ NAS ¼­¹ö¿¡¼­ 1ºÐ À̳»¿¡ NAS ¼­ºñ½º¸¦ ÀÚµ¿ º¹±¸ÇÏ¿© ÁÝ´Ï´Ù.

  • Target NAS´Â Àå¾Ö ¹ß»ýÇÑ Source NASÀÇ ³×Æ®¿öÅ© Á¤º¸¸¦ ÀÚµ¿À¸·Î ȹµæÇÏ¿© Source NASÀÇ ¼­ºñ½º¸¦ NAS »ç¿ëÀڵ鿡°Ô µ¿ÀÏÇÏ°Ô Á¦°øÇÕ´Ï´Ù.

  •  IBM, Compaq ¹× Dell ÄÄÇ»ÅÍ¿¡¼­ °ø±ÞÇÏ´Â NAS Àåºñ ¿¡´Â ´õºíÅ×ÀÌÅ© Æò°¡¹öÀü ¶óÀ̼¾½º°¡ ÆÐÅ°Áö·Î ÇÔ²² °ø±ÞµË´Ï´Ù.

  • NAS µ¥ÀÌÅÍÀÇ ½Ç½Ã°£ ¹é¾÷Àº ´õºíÅ×ÀÌÅ©°¡ ¾÷°è Ç¥ÁØÀÔ´Ï´Ù.

 ¿ø°ÝÁö»óÀÇ ÀÚµ¿ Àå¾Ö º¹±¸ ±â´É - Offsite WAN Automatic Fail Over (AFO)

  •  ¿ø°ÝÁö(Offsite)¿¡¼­ÀÇ ÀÚµ¿ Àå¾Ö ±Øº¹ ¼­ºñ½º

  •  WAN ȯ°æ¿¡¼­ Source NodeÀÇ Àå¾Ö ½Ã ¿ø°ÝÁö¿¡ ÀÖ´Â Target Node¿¡¼­ ÀÚµ¿À¸·Î Àå¾Ö º¹±¸ ¼­ºñ½º¸¦ ¼öÇàÇÒ ¼ö ÀÖ½À´Ï´Ù.

     


Multi-tier ÄÄÇ»ÆÃÀÇ ÀÚµ¿ Àå¾Ö º¹±¸

  • Multi-tier ÄÄÇ»ÆÃÀÇ ¼­¹öµé¿¡ ´ëÇÑ ´õºíÅ×ÀÌÅ©ÀÇ ±¸¼º(¿¹: Web Site)

 



 Double-Take ±¸¼º ¸ðµ¨: HA/DR ¸ðµ¨

  • Double-TakeÀÇ On-Site ¼­¹ö¿Í Off-Site ¼­¹ö ±¸¼º ¿¹
    ¡¡
    1. ¹Ì±¹ ƯÇã±â¼úÀÎ Double-TakeÀÇ ¼­¹ö ¸ðµâÀº ¼­¹ö ½Ã½ºÅÛ Ã³¸®¼Óµµ¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê½À´Ï´Ù.
    2. Double-Take´Â ±âÁ¸ÀÇ TCP/IP ³×Æ®¿öÅ© ±¸¼ºÀ» ÀÌ¿ëÇÕ´Ï´Ù. º°µµÀÇ Çϵå¿þ¾î°¡ ÇÊ¿ä ¾ø½À´Ï´Ù.
    3. Production Server ´ë½Å¿¡, Áß¾ÓÀÇ Target Node¿¡¼­ Data BackupÀ» ¹ÞÀ½À¸·Î½á Backup ÀåÄ¡ ±¸ÀÔ ºñ¿ë Àý°¨°ú ¿ëÀÌÇÑ Backup ÀÛ¾÷À» ÇÒ ¼ö ÀÖ½À´Ï´Ù.
    4. Double-Take´Â ¹é¾÷ Àü¼ÛÀ» À§ÇÑ ´ë¿ªÆøÀ» Á¶ÀýÇÏ¿© »ç¿ëÇÒ ¼ö À־ WAN°ú °°Àº Åë½Å ȯ°æ¿¡¼­µµ Ź¿ùÇÑ ½Ç½Ã°£ ¹é¾÷À» ¼öÇàÇÕ´Ï´Ù.
    5. Double-TakeÀÇ Target ¸ðµâÀº À¯¿¬¼º°ú È®À强ÀÌ ¶Ù¾î³ª One-to-One, One-to-Many, Many-to-One, Daisy Chain ±¸¼ºÀ» ÇÒ ¼ö ÀÖ½À´Ï´Ù.
    6. Target Node´Â Production ServerÀÇ Àå¾Ö ½Ã Fail Over ±â´ÉÀ» Á¦°øÇÏ¿© Production ServerÀÇ ¼­ºñ½º¸¦ °è¼ÓÀûÀ¸·Î Target Node°¡ Á¦°øÇÕ´Ï´Ù.
    7. ÇÑ °³ÀÇ Target Node´Â ¿©·¯ °³ÀÇ Source Node¿¡ ´ëÇÑ Àå¾Ö¸¦ °¨ÁöÇÏ¿© Àå¾Ö°¡ ÀÖÀ¸¸é Failover¸¦ ¼öÇàÇÕ´Ï´Ù.
    8. Source Node¿¡¼­ LockingµÇ¾î ÀÖ´Â Open Fileµµ Target Node·Î ½Ç½Ã°£ º¹Á¦µÇ°í À̸¦ Tape Backup ÀåÄ¡¿¡¼­ ÀÌ»ó ¾øÀÌ BackupÇÒ ¼ö ÀÖ½À´Ï´Ù.

    ¡¡

¡¡
¡¡
¡¡
¡¡ ¡¡