1.存儲(chǔ)上面掛載lun

2.操作系統(tǒng)上面執(zhí)行如下操作（不需重啟操作系統(tǒng)）：
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.編輯 /etc/multipath.conf
添加：
multipath {
????????????? wwid????????????????? 360002ac000000000000000dd00012d32
????????????? alias???????????????? mpath2
???????????????? }
???? multipath {
????????????? wwid????????????????? 360002ac0000000000000004000012d47
????????????? alias???????????????? mpath3
???????????????? }

重啟multipath 服務(wù)或者reload

4.格式化磁盤：
fdisk /dev/mapper/mpath2
fdisk /dev/mapper/mpath2

partprobe /dev/mapper/mpath2
partprobe /dev/mapper/mpath3

5.asmlib綁定，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.確認(rèn)：
/etc/init.d/oracleasm scandisks

/etc/init.d/oracleasm listdisks
ASMDISK1
ASMDISK2


如果是rac，需要在其它的節(jié)點(diǎn)上執(zhí)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添加磁盤：

7.查看diskgroup數(shù)據(jù)平衡進(jìn)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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