
数据驱动 成就未来 ASM 磁盘组扩容变更-Linux
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Disk /dev/sdd: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
Disk /dev/sde: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
2.2. 对磁盘做分区
[root@seven ~]#
fdisk /dev/sdd
[root@seven ~]#
fdisk /dev/sde
[root@seven ~]#
partprobe
[root@seven ~]#
fdisk –l
。。。。。。
Disk /dev/sdd: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 1 261 2096451 83 Linux
Disk /dev/sde: 2147 MB, 2147483648 bytes
255 heads, 63 sectors/track, 261 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sde1 1 261 2096451 83 Linux
2.3. 查看现有卷组和卷组中磁盘成员
[root@seven ~]#
oracleasm listdisks
VOL1
VOL2
[root@seven ~]#
[root@seven ~]#
su - grid
[grid@seven ~]$
asmcmd lsdg
State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB
Offline_disks Voting_files Name
MOUNTED EXTERN N 512 4096 1048576 20472 8365 0 8365
0 N DATADG/
[grid@seven ~]$
asmcmd lsdsk
Path
ORCL:VOL1
ORCL:VOL2
2.4. 创建新的ASM磁盘
[root@seven ~]#
oracleasm createdisk VOL3 /dev/sdd1
Writing disk header: done
Instantiating disk: done
[root@seven ~]#
oracleasm createdisk VOL4 /dev/sde1
Writing disk header: done
Instantiating disk: done
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