Oracle 在asm前使用udev绑定共享存储

1. 在root用户下使用fdisk -l 查询主机上的盘，此次给主机分配了4块2T左右的盘，由于多路径的影响看到了8块盘，可以不用管，用其中4块就行。
# fdisk -l | grep Disk
WARNING: GPT (GUID Partition Table) detected on '/dev/loop0'! The util fdisk doesn't support GPT. Use GNU Parted.
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/loop0: 3878 MB, 3878682624 bytes
Disk identifier: 0x50be8ac6
Disk /dev/sda: 3598.9 GB, 3598914158592 bytes
Disk identifier: 0x00000000
Disk /dev/sdc: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sdd: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sdb: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sde: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sddlmac: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sddlmab: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sddlmaa: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/sddlmad: 2199.0 GB, 2199023255552 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/datavg-lv_ulic: 3328.6 GB, 3328599654400 bytes
Disk identifier: 0x00000000

2. 编辑/etc/udev/rules.d/99-oracle-asmdevices.rules文件
# more 99-oracle-asmdevices.rules 
#ASM_DISKS
KERNEL=="sddlma[a-d]", OWNER="grid", GROUP="asmadmin", MODE="0660"

3. 重启udev
/sbin/start_dev

4. 查看绑定后的共享存储
[root@DC8VFJNK2-R730 dev]# ls -l  sddlmaa
brw-rw---- 1 grid asmadmin 251, 0 Oct 12 15:37 sddlmaa
[root@DC8VFJNK2-R730 dev]# ls -l  sddlmab
brw-rw---- 1 grid asmadmin 251, 16 Oct 12 15:37 sddlmab
[root@DC8VFJNK2-R730 dev]# ls -l  sddlmac
brw-rw---- 1 grid asmadmin 251, 32 Oct 12 15:37 sddlmac
[root@DC8VFJNK2-R730 dev]# ls -l  sddlmad
brw-rw---- 1 grid asmadmin 251, 48 Oct 12 15:37 sddlmad

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