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1.存储上面挂载lun
2.操作系统上面执行如下操作(不需重启操作系统):
echo "- - -" > /sys/class/scsi_host/host0/scan
echo "- - - > /sys/class/scsi_host/host1/scan
..........
一步操作完成:
echo "- - - > /sys/class/scsi_host/host**/scan
3.编辑 /etc/multipath.conf
添加:
multipath {
wwid 360002ac000000000000000dd00012d32
alias mpath2
}
multipath {
wwid 360002ac0000000000000004000012d47
alias mpath3
}
重启multipath 服务或者reload
4.格式化磁盘:
fdisk /dev/mapper/mpath2
fdisk /dev/mapper/mpath2
partprobe /dev/mapper/mpath2
partprobe /dev/mapper/mpath3
5.asmlib绑定,或是使用其它的方式:
/etc/init.d/oracleasm createdisk ASMDISK1 /dev/mapper/mpath2p1
Marking disk "ASMDISK1" as an ASM disk: [ OK ]
/etc/init.d/oracleasm createdisk ASMDISK2 /dev/mapper/mpath3p1
Marking disk "ASMDISK2" as an ASM disk: [ OK ]
6.确认:
/etc/init.d/oracleasm scandisks
/etc/init.d/oracleasm listdisks
ASMDISK1
ASMDISK2
如果是rac,需要在其它的节点上执行scandisks即可:
partprobe /dev/mapper/mpath2
partprobe /dev/mapper/mpath3
/etc/init.d/oracleasm scandisks
Scanning the system for Oracle ASMLib disks: [ OK ]
/etc/init.d/oracleasm listdisks
ASMDISK1
ASMDISK2
6.使用asmca添加磁盘:
7.查看diskgroup数据平衡进度:
SQL> select * from v$asm_operation;
GROUP_NUMBER OPERA STAT POWER ACTUAL SOFAR EST_WORK EST_RATE EST_MINUTES ERROR_CODE
------------ ----- ---- ---------- ---------- ---------- ---------- ---------- ----------- --------------------------------------------
1 REBAL RUN 1 1 30849 2067087 7140 285
2 REBAL WAIT 1
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