oracle rac 增加asm盘

扫描新增设备

echo "- - -" > /sys/class/scsi_host/host0/scan
echo "- - -" > /sys/class/scsi_host/host1/scan
echo "- - -" > /sys/class/scsi_host/host2/scan
echo "- - -" > /sys/class/scsi_host/host3/scan
echo "- - -" > /sys/class/scsi_host/host4/scan
echo "- - -" > /sys/class/scsi_host/host5/scan

fdisk -l

multipath -ll 记录新增的盘号

mpathh (36005076708810139a000000000000018) dm-11 INSPUR  ,MCS             
size=700G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 4:0:0:7 sdae   65:224 active ready running
|-+- policy='service-time 0' prio=1 status=enabled
| `- 5:0:0:7 sdaf   65:240 active ready running
|-+- policy='service-time 0' prio=1 status=enabled
| `- 2:0:0:7 sdac   65:192 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
  `- 3:0:0:7 sdad   65:208 active ready running

添加到 /etc/udev/rules.d/99-oracle-asmdevices.rules,刷新系统

/sbin/udevadm control --reload-rules
/sbin/udevadm trigger --type=devices --action=change

[grid@~]$ asmcmd lsdsk --candidate
Path
/dev/mapper/mpathh
[grid@~]$ 后面加入数据库