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Oracle 10g RAC OCR ºÍ VotingDisk µÄ±¸·ÝÓë»Ö¸´


 
Oracle RAC ÖÐOCR ºÍVoting Disk ±¸·ÝÔÚÎÒµÄblog£º Oracle RAC ³£ÓÃά»¤¹¤¾ßºÍÃüÁî ÖÐÒѾ­ÓÐ˵Ã÷£¬ÏÖÔÚÔٴΰÑËüµ¥¶ÀÄóö×öÒ»¸ö˵Ã÷£¬ ÒòΪOCR ºÍ Voting Disk ¶ÔÓÚRAC ÏµÍ³À´ËµÌ«ÖØÒªÁË¡£
Oracle RAC ³£ÓÃά»¤¹¤¾ßºÍÃüÁî
http://blog.csdn.net/tianlesoftware/archive/2010/03/09/5358573.aspx
Ò» Voting Disk
Voting Disk Õâ¸öÎļþÖ÷ÒªÓÃÓڼǼ½Úµã³ÉԱ״̬£¬ÔÚ³öÏÖÄÔÁÑʱ£¬¾ö¶¨ÄǸöPartion»ñµÃ¿ØÖÆȨ£¬ÆäËûµÄPartion±ØÐë´Ó¼¯ÈºÖÐÌÞ³ý¡£Voting diskʹÓõÄÊÇÒ»ÖÖ“¶àÊý¿ÉÓÃËã·¨”£¬Èç¹ûÓжà¸öVoting  disk£¬£¬Ôò±ØÐëÒ»°ëÒÔÉϵÄVotediskͬʱʹÓã¬Clusterware²ÅÄÜÕý³£Ê¹Óᣠ±ÈÈçÅäÖÃÁË4¸öVotedisk£¬»µÒ»¸öVotedisk£¬¼¯Èº¿ÉÒÔÕý³£¹¤×÷£¬Èç¹û»µÁË2¸ö£¬Ôò²»ÄÜÂú×ã°ëÊýÒÔÉÏ£¬¼¯Èº»áÁ¢¼´å´µô£¬ËùÓнڵãÁ¢¼´ÖØÆô£¬ËùÒÔÈç¹ûÌí¼ÓVotedisk£¬¾¡Á¿²»ÒªÖ»Ìí¼ÓÒ»¸ö£¬¶øÓ¦¸ÃÌí¼Ó2¸ö¡£ÕâµãºÍOCR ²»Ò»Ñù¡£OCR Ö»ÐèÅäÖÃÒ»¸ö¡£
²é¿´votediskµÄλÖãº
[root@rac1 ~]# crsctl query css votedisk
0.    0   /dev/raw/raw2
located 1 votedisk(s).
±¸·ÝvotediskÅÌ£º
[root@raw1 bin]# dd if=/dev/raw/raw2 of=/home/oracle/voting_disk.bak
294912+0 records in
294912+0 records out
»Ö¸´votediskÅÌ£º
[root@raw1 bin]# dd if=/home/oracle/voting_disk.bak of=/dev/raw/raw2
294912+0 records in
294912+0 records out
ͨ¹ýStrings ÃüÁîÀ´²é¿´ voting disk µÄÄÚÈÝ
[root@raw1 oracle]# strings voting_disk.bak |sort -u
fSLC
ssLckcoT
SslcLlik
sSlcrEp0
}|{z
 
¶þ  OCR 
Oracle Clusterware°ÑÕû¸ö¼¯ÈºµÄÅäÖÃÐÅÏ¢·ÅÔÚ¹²Ïí´æ´¢ÉÏ£¬Õâ¸ö´æ´¢¾ÍÊÇOCR Disk. ÔÚÕû¸ö¼¯ÈºÖУ¬Ö»ÓÐÒ»¸ö½ÚµãÄܶÔOCR Disk ½øÐжÁд²Ù×÷£¬Õâ¸ö½Úµã½Ð×÷Master Node£¬ËùÓнڵ㶼»áÔÚÄÚ´æÖб£ÁôÒ»·ÝOCRµÄ¿½±´£¬Í¬Ê±ÓÐÒ»¸öOCR Process ´ÓÕâ¸öÄÚ´æÖжÁÈ¡ÄÚÈÝ¡£ OCR ÄÚÈÝ·¢Éú¸Ä±äʱ£¬ÓÉMaster NodeµÄOCR Process¸ºÔ


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create or replace function F_BITOR(p1 in string, p2 in string) return varchar2 is
  Result varchar2(16);
  t_p number(3);
  r_p varchar2(16);
  p_p number(3);
  c_1 char(1);
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