Redhat Linux 7 Create Udev__linux

Find the UUID for a disk

For i in a B c D E F
doing
/usr/lib/udev/scsi_id-g-u-d/dev/sddlma$i
Done

360060e801252ed00504052ed00000500
360060e801252ed00504052ed00000501
360060e801252ed00504052ed00000502
360060e801252ed00504052ed00000503
360060e801252ed00504052ed00000504
360060e801252ed00504052ed00000505

Edit UDEV Rules File

Vi/etc/udev/rules.d/99-oracle-asmdevices.rules kernel== "sd*[!0-9]", env{devtype}== "Disk", SUBSYSTEM== "block", program== "/usr/lib/udev/scsi_id-g-u-d $devnode", result== "360060e801252ed00504052ed00000500", RUN+= "/bin/sh-c" Mknod/dev/asmdisk1 b $major $minor; Chown Grid:asmadmin/dev/asmdisk1; chmod 0660/dev/asmdisk1 ' "kernel==" sd*[!0-9] ", env{devtype}==" Disk ", subsystem==" block ", program=="/usr/lib/udev/" Scsi_id-g-u-d $devnode ", result==" 360060e801252ed00504052ed00000501 ", run+="/bin/sh-c ' Mknod/dev/asmdisk2 "b $major $m Inor; Chown Grid:asmadmin/dev/asmdisk2; chmod 0660/dev/asmdisk2 ' "kernel==" sd*[!0-9] ", env{devtype}==" Disk ", subsystem==" block ", program=="/usr/lib/udev/" Scsi_id-g-u-d $devnode ", result==" 360060e801252ed00504052ed00000502 ", run+="/bin/sh-c ' Mknod/dev/asmdisk3 "b $major $m Inor; Chown Grid:asmadmin/dev/asmdisk3; chmod 0660/dev/asmdisk3 ' "kernel==" sd*[!0-9] ", env{devtype}==" Disk ", subsystem==" block ", program=="/usr/lib/udev/" Scsi_id-g-u-d $devnode ", result= = "360060e801252ed00504052ed00000503", run+= "/bin/sh-c ' Mknod/dev/asmdisk4 b $major $minor; Chown Grid:asmadmin/dev/asmdisk4; chmod 0660/dev/asmdisk4 ' "kernel==" sd*[!0-9] ", env{devtype}==" Disk ", subsystem==" block ", program=="/usr/lib/udev/" Scsi_id-g-u-d $devnode ", result==" 360060e801252ed00504052ed00000504 ", run+="/bin/sh-c ' mknod/dev/asmdisk5 "b $major $m Inor; Chown Grid:asmadmin/dev/asmdisk5; chmod 0660/dev/asmdisk5 ' "kernel==" sd*[!0-9] ", env{devtype}==" Disk ", subsystem==" block ", program=="/usr/lib/udev/" Scsi_id-g-u-d $devnode ", result==" 360060e801252ed00504052ed00000505 ", run+="/bin/sh-c ' mknod/dev/asmdisk6 "b $major $m Inor; Chown grid:asmadmin/dev/asmdisk6; chmod 0660/dev/asmdisk6 ' "

Load updated block device partition tables.

For i in a B c D E F does/sbin/partprobe/dev/sddlma$i done for
i in

a b c d E F
do
/sbin/udevadm t Est/block/sddlma$i done

Start Udev

/sbin/udevadm Trigger–type=devices–action=change

viewing disks

ls/dev/asm*