A-A+
使用udev绑定裸设备
查看当前分区情况
[root@ocm4 ~]# fdisk -l Disk /dev/sda: 21.4 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 64 514048+ 83 Linux /dev/sda2 65 586 4192965 82 Linux swap / Solaris /dev/sda3 587 2610 16257780 83 Linux Disk /dev/sdb: 10.7 GB, 10737418240 bytes 255 heads, 63 sectors/track, 1305 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 1305 10482381 5 Extended /dev/sdb5 1 62 497952 83 Linux /dev/sdb6 63 124 497983+ 83 Linux /dev/sdb7 125 186 497983+ 83 Linux /dev/sdb8 187 248 497983+ 83 Linux /dev/sdb9 249 310 497983+ 83 Linux /dev/sdb10 311 1305 7992306 83 Linux
在2个节点上增加以下文件
[root@ocm3 rules.d]# pwd /etc/udev/rules.d [root@ocm3 rules.d]# cat 99-oracle-asmdevices.rules KERNEL=="sdb5", BUS=="scsi", NAME="rac_ocr1",OWNER="oracle", GROUP="oinstall", MODE="0660" KERNEL=="sdb6", BUS=="scsi", NAME="rac_ocr2",OWNER="oracle", GROUP="oinstall", MODE="0660" KERNEL=="sdb7", BUS=="scsi", NAME="rac_vote1",OWNER="oracle", GROUP="oinstall", MODE="0660" KERNEL=="sdb8", BUS=="scsi", NAME="rac_vote2",OWNER="oracle", GROUP="oinstall", MODE="0660" KERNEL=="sdb9", BUS=="scsi", NAME="rac_vote3",OWNER="oracle", GROUP="oinstall", MODE="0660" KERNEL=="sdb10", BUS=="scsi", NAME="rac_data1",OWNER="oracle", GROUP="oinstall", MODE="0660" [root@ocm3 rules.d]# scp 99-oracle-asmdevices.rules 192.168.137.204:/etc/udev/rules.d/ The authenticity of host '192.168.137.204 (192.168.137.204)' can't be established. RSA key fingerprint is 65:54:76:91:e0:62:b8:fb:11:8d:23:5c:73:02:53:73. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.137.204' (RSA) to the list of known hosts. root@192.168.137.204's password: 99-oracle-asmdevices.rules 100% 551 0.5KB/s 00:00
启动2个节点的udev
[root@ocm3 rules.d]# /sbin/start_udev Starting udev: [ OK ] [root@ocm4 rules.d]# /sbin/start_udev Starting udev: [ OK ]
查看绑定情况
[root@ocm3 ~]# ls -l /dev/rac* brw-rw---- 1 oracle oinstall 8, 26 May 29 10:34 /dev/rac_data1 brw-rw---- 1 oracle oinstall 8, 21 May 29 10:34 /dev/rac_ocr1 brw-rw---- 1 oracle oinstall 8, 22 May 29 10:34 /dev/rac_ocr2 brw-rw---- 1 oracle oinstall 8, 23 May 29 10:34 /dev/rac_vote1 brw-rw---- 1 oracle oinstall 8, 24 May 29 10:34 /dev/rac_vote2 brw-rw---- 1 oracle oinstall 8, 25 May 29 10:34 /dev/rac_vote3
在节点2查看
[root@ocm4 ~]# ls -l /dev/rac* ls: /dev/rac*: No such file or directory [root@ocm4 ~]# partprobe Warning: Unable to open /dev/hdc read-write (Read-only file system). /dev/hdc has been opened read-only. [root@ocm4 ~]# ls -l /dev/rac* brw-rw---- 1 oracle oinstall 8, 26 May 29 10:46 /dev/rac_data1 brw-rw---- 1 oracle oinstall 8, 21 May 29 10:46 /dev/rac_ocr1 brw-rw---- 1 oracle oinstall 8, 22 May 29 10:46 /dev/rac_ocr2 brw-rw---- 1 oracle oinstall 8, 23 May 29 10:46 /dev/rac_vote1 brw-rw---- 1 oracle oinstall 8, 24 May 29 10:46 /dev/rac_vote2 brw-rw---- 1 oracle oinstall 8, 25 May 29 10:46 /dev/rac_vote3