Redhat7 Udev如何绑定单路径设备

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这篇文章主要介绍 Redhat7 Udev 如何绑定单路径设备，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

1. 取得磁盘 UUID:

for disk in `ls /dev/sd*`
do
echo $disk
/usr/lib/udev/scsi_id –whitelisted –replace-whitespace –device=$disk
done

/dev/sdb
36000c29cffb16d0ab6e706d8474b8185
/dev/sdc
36000c294296b162323c3d18f218c8ebe
/dev/sdd
36000c293d28c648b8ea3780f31d3aebe
/dev/sde
36000c29fde25492009f3fe4882603755
/dev/sdf
36000c29845ce8733dcd8f3929da7b5cd
/dev/sdi
36000c2915522598d7dc3510d3b2f684c
/dev/sdj
36000c299864887911287c47884386547
/dev/sdk
36000c29d4618f7df9988b2b35a5519a1
/dev/sdl
36000c293efbdb7dcd808213db15a0113
/dev/sdm
36000c294c9da2b5885758cf6bcc3647a
/dev/sdn
36000c2905f57bc45665172b71346051e
/dev/sdo
36000c299475e8f0fdf40ad2606e78168
/dev/sdp
36000c293a88560cbd6232bc838960608

2. 生成 rules 文件

cat /etc/udev/rules.d/99-oracle-asmdevices.rules
KERNEL== sd? , ENV{ID_SERIAL}== 36000c29cffb16d0ab6e706d8474b8185 , SYMLINK+= asm_ocr_1_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c294296b162323c3d18f218c8ebe , SYMLINK+= asm_ocr_2_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c293d28c648b8ea3780f31d3aebe , SYMLINK+= asm_vote_1_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c29fde25492009f3fe4882603755 , SYMLINK+= asm_vote_2_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c29845ce8733dcd8f3929da7b5cd , SYMLINK+= asm_vote_3_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c2915522598d7dc3510d3b2f684c , SYMLINK+= asm_data_1_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c299864887911287c47884386547 , SYMLINK+= asm_data_1_2 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c29d4618f7df9988b2b35a5519a1 , SYMLINK+= asm_data_1_3 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c293efbdb7dcd808213db15a0113 , SYMLINK+= asm_data_2_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c294c9da2b5885758cf6bcc3647a , SYMLINK+= asm_data_2_2 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c2905f57bc45665172b71346051e , SYMLINK+= asm_data_2_3 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c299475e8f0fdf40ad2606e78168 , SYMLINK+= asm_fra_1_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660
KERNEL== sd? , ENV{ID_SERIAL}== 36000c293a88560cbd6232bc838960608 , SYMLINK+= asm_fra_2_1 , OWNER= grid , GROUP= asmadmin , MODE= 0660

3. 加载 rules 文件

udevadm control –reload-rules
udevadm trigger

4. 绑定后设备信息如下：

ls -l /dev/sd*

brw-rw—- 1 grid asmadmin 8, 16 Aug 29 09:28 /dev/sdb
brw-rw—- 1 grid asmadmin 8, 32 Aug 29 09:28 /dev/sdc
brw-rw—- 1 grid asmadmin 8, 48 Aug 29 09:28 /dev/sdd
brw-rw—- 1 grid asmadmin 8, 64 Aug 29 09:28 /dev/sde
brw-rw—- 1 grid asmadmin 8, 80 Aug 29 09:28 /dev/sdf
brw-rw—- 1 grid asmadmin 8, 128 Aug 29 09:28 /dev/sdi
brw-rw—- 1 grid asmadmin 8, 144 Aug 29 09:28 /dev/sdj
brw-rw—- 1 grid asmadmin 8, 160 Aug 29 09:27 /dev/sdk
brw-rw—- 1 grid asmadmin 8, 176 Aug 29 09:28 /dev/sdl
brw-rw—- 1 grid asmadmin 8, 192 Aug 29 09:27 /dev/sdm
brw-rw—- 1 grid asmadmin 8, 208 Aug 29 09:28 /dev/sdn
brw-rw—- 1 grid asmadmin 8, 224 Aug 29 09:28 /dev/sdo
brw-rw—- 1 grid asmadmin 8, 240 Aug 29 09:28 /dev/sdp

ls -l /dev/asm*

lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_1_1 – sdi
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_1_2 – sdj
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_1_3 – sdk
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_2_1 – sdl
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_2_2 – sdm
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_data_2_3 – sdn
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_fra_1_1 – sdo
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_fra_2_1 – sdp
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_ocr_1_1 – sdb
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_ocr_2_1 – sdc
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_vote_1_1 – sdd
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_vote_2_1 – sde
lrwxrwxrwx 1 root root 3 Aug 29 09:27 /dev/asm_vote_3_1 – sdf

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