rhel7udev-创新互联

检查磁盘id:

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[root@prod04 ~]# /usr/lib/udev/scsi_id --whitelisted --replace-whitespace --device=/dev/sdb

36000c291ff16db7914945dc7f9edd730

[root@prod04 ~]# /usr/lib/udev/scsi_id -g -u -d /dev/sdb

36000c291ff16db7914945dc7f9edd730

生成udev文件:

[root@prod04 ~]# for i in {b..e}; 

do 

echo KERNEL==\"sd?\", ENV{ID_SERIAL}==\"$(/usr/lib/udev/scsi_id -g -u -d /dev/sd$i)\", SYMLINK+=\"asm_disk$i\",  OWNER=\"grid\",  GROUP=\"asmadmin\", MODE=\"0660\"; 

done

KERNEL=="sd?", ENV{ID_SERIAL}=="36000c291ff16db7914945dc7f9edd730", SYMLINK+="asm_diskb", OWNER="grid", GROUP="asmadmin", MODE="0660"

KERNEL=="sd?", ENV{ID_SERIAL}=="", SYMLINK+="asm_diskc", OWNER="grid", GROUP="asmadmin", MODE="0660"

KERNEL=="sd?", ENV{ID_SERIAL}=="", SYMLINK+="asm_diskd", OWNER="grid", GROUP="asmadmin", MODE="0660"

KERNEL=="sd?", ENV{ID_SERIAL}=="", SYMLINK+="asm_diske", OWNER="grid", GROUP="asmadmin", MODE="0660"

检查udev文件:

[root@prod04 ~]# cat /etc/udev/rules.d/99-oracle-asmdevices.rules

KERNEL=="sd?", ENV{ID_SERIAL}=="36000c291ff16db7914945dc7f9edd730", SYMLINK+="asm_diskb", OWNER="grid", GROUP="asmadmin", MODE="0660"

使udev生效:

udevadm control --reload-rules

udevadm trigger

检查磁盘权限:

rhel7 udev

[root@prod04 ~]# 

[root@prod04 ~]# ll /dev/sd*

brw-rw---- 1 root disk     8,  0 Aug  7 10:07 /dev/sda

brw-rw---- 1 root disk     8,  1 Aug  7 10:07 /dev/sda1

brw-rw---- 1 root disk     8,  2 Aug  7 10:07 /dev/sda2

brw-rw---- 1 grid asmadmin 8, 16 Aug  7 10:07 /dev/sdb

[root@prod04 ~]# ll /dev/asm_diskb 

lrwxrwxrwx 1 root root 3 Aug  7 10:07 /dev/asm_diskb -> sdb


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