原因：重新安装操作系统，ASM磁盘保留了磁盘信息

处理步骤：[root@bbsvrrec ~]# oracleasm listdisksVOL1VOL2VOL3[root@bbsvrrec ~]# oracleasm deletedisk VOL1Clearing disk header: doneDropping disk: done[root@bbsvrrec ~]# oracleasm deletedisk VOL2Clearing disk header: doneDropping disk: done[root@bbsvrrec ~]# oracleasm deletedisk VOL3Clearing disk header: doneDropping disk: done[root@bbsvrrec ~]# dd if=/dev/zero of=/dev/sdb1 bs=1024k count=200200+0 records in200+0 records out209715200 bytes (210 MB) copied,7.53294 s,27.8 MB/s[root@bbsvrrec ~]# dd if=/dev/zero of=/dev/sdc1 bs=1024k count=200200+0 records in200+0 records out209715200 bytes (210 MB) copied,6.09232 s,34.4 MB/s[root@bbsvrrec ~]# dd if=/dev/zero of=/dev/sdd1 bs=1024k count=200200+0 records in200+0 records out209715200 bytes (210 MB) copied,12.4123 s,16.9 MB/s[root@bbsvrrec ~]# oracleasm createdisk VOL01 /dev/sdb1Writing disk header: doneInstantiating disk: done[root@bbsvrrec ~]# oracleasm createdisk VOL02 /dev/sdc1Writing disk header: doneInstantiating disk: done[root@bbsvrrec ~]# oracleasm createdisk VOL03 /dev/sdd1Writing disk header: doneInstantiating disk: done