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 192.168.5.10  rac1
 192.168.5.100 prac1
 10.20.0.10 vrac1
 192.168.5.20 rac2
 192.168.5.200 prac2
 10.20.0.20 vrac2
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 cd /etc/sysconfig/network-scripts
 cp ifcfg-eth0 ifcfg-eth1<cp -rf ifcfg-eth0 ifcfg-eth1>
 vi ifcfg-eth1 
 ½«ÆäÖеÄipÐÞ¸Äһϣ¬Íø¿¨¿ÉÒÔ²»ÓÃÐÞ¸Ä
 ÖØÐÂÆô¶¯Íø¿¨
 service network restart
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  route -n ÏÔʾÍøÂçÅäÖÃ
  route add default gateway Íø¹Ø 
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 vi /etc/sysconfig/network
 ÐÞ¸ÄÆäÖеÄhostname
 vi /etc/hosts
 ÁÙʱÉèÖÃÉúЧ
 hostname xx
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 Ìí¼Óip
 192.168.5.10  rac1 rac1.com
 192.168.5.100 prac1 
 10.20.0.10 vrac1
 192.168.5.20 rac2 rac2.com
 192.168.5.200 prac2
 10.20.0.20 vrac2
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 rpm -qa | grep iscsi
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  ÔòÐèÒª°²×°iscsi¡£¡£¡£¡£ lss....
  »¹ÐèÒª°²×°gcc¼°libXp,,,,ncurses-... ncurses-devel-,,,
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 service iptables stop
 setup
 service iscsid start
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 Èç¹ûÔÚping iSCSIʱºòttlµÄÖµÓ¦¸ÃÊÇ64
 iscsiadm --mode/m discovery --type sendtargets --portal ip
 
 iscsiadm --mode node --targetname xxxx --portal ip:3260 --login
 fdisk -l
 
 fdisk /dev/hdX
 ÓÉÓÚÐèÒª¶à¿éÓ²ÅÌ£¬ËùÒÔʹÓÃÂß¼­·ÖÇø
 
 n ->> e ->> l
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 fdisk -l
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 <userdel -r oracle>
 groupadd -g 2000 oinstall
 groupasd -g 2001 dba
 mkdir -p /rac/oracle/product/10.2.0/db_1
 useradd -d /rac/orcl -m -g oinstall -G dba oracle


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