oracleasm configure -i --配置
oracleasm status --狀態
oracleasm ---LINUX 7手工加載，reboot之後仍然有效
[root@postgresql ~]# oracleasm status
Checking if ASM is loaded: yes
Checking if /dev/oracleasm is mounted: yes
[root@postgresql ~]#
oracleasm createdisk OCR_VOTE1 /dev/sdc1 --創建ASM磁盤
oracleasm createdisk OCR /dev/sdb1
oracleasm createdisk FRA /dev/sdc1
oracleasm createdisk DATA /dev/sdd1
oracleasm scandisks --查看磁盤
oracleasm listdisks --列出磁盤
例子：
[root@postgresql ~]# fdisk -l
Disk /dev/sdb: 10.7 GB, 10737418240 bytes, 20971520 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x7fa6592e
Device Boot Start End Blocks Id System
/dev/sdb1 2048 4196351 2097152 83 Linux
/dev/sdb2 4196352 10487807 3145728 83 Linux
/dev/sdb3 10487808 20971519 5241856 83 Linux
Disk /dev/sda: 21.5 GB, 21474836480 bytes, 41943040 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x000e0e42
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 616447 307200 83 Linux
/dev/sda2 616448 4810751 2097152 82 Linux swap / Solaris
/dev/sda3 4810752 41943039 18566144 83 Linux
[root@postgresql ~]#
[root@postgresql ~]# oracleasm createdisk ocr01 /dev/sdb1
Writing disk header: done
Instantiating disk: done
[root@postgresql ~]# oracleasm createdisk ocr02 /dev/sdb2
Writing disk header: done
Instantiating disk: done
[root@postgresql ~]# oracleasm createdisk ocr03 /dev/sdb3
Writing disk header: done
Instantiating disk: done
[root@postgresql ~]# oracleasm listdisks
OCR01
OCR02
OCR03
[root@postgresql ~]# cd /dev/oracleasm/
disks/ iid/
[root@postgresql ~]# cd /dev/oracleasm/
[root@postgresql oracleasm]# ls
disks iid
[root@postgresql oracleasm]# ls -lrt
total 0
drwxrwx---. 1 pgsql pgsql 0 Sep 10 2019 iid
drwxr-xr-x. 1 root root 0 Sep 10 2019 disks
[root@postgresql oracleasm]# cd disks/
[root@postgresql disks]# ls
OCR01 OCR02 OCR03
[root@postgresql disks]# ls -lrt
total 0
brw-rw----. 1 pgsql pgsql 8, 17 Sep 10 20:13 OCR01
brw-rw----. 1 pgsql pgsql 8, 18 Sep 10 20:13 OCR02
brw-rw----. 1 pgsql pgsql 8, 19 Sep 10 20:13 OCR03
[root@postgresql disks]# cd /dev/oracleasm/disks/
[root@postgresql disks]# ls
OCR01 OCR02 OCR03
[root@postgresql disks]# ls -lrt
total 0
brw-rw----. 1 pgsql pgsql 8, 17 Sep 10 20:13 OCR01
brw-rw----. 1 pgsql pgsql 8, 18 Sep 10 20:13 OCR02
brw-rw----. 1 pgsql pgsql 8, 19 Sep 10 20:13 OCR03
[root@postgresql disks]#