在linux 6.x 中,安装RAC 时需要配置UDEV 进行持久化:
[dave@www.cndba.cn rules.d]# cat 99-oracle-asmdevices.rules
KERNEL=="sd*",ENV{DEVTYPE}=="disk",SUBSYSTEM=="block",PROGRAM=="/usr/lib/udev/scsi_id -g -u -d $devnode",RESULT=="1ATA_VBOX_HARDDISK_VB90ea2842-3d5cfe18", RUN+="/bin/sh -c 'mknod /dev/asmdiskb b $major $minor; chown grid:asmadmin /dev/asmdiskb; chmod 0660 /dev/asmdiskb'"
KERNEL=="sd*",ENV{DEVTYPE}=="disk",SUBSYSTEM=="block",PROGRAM=="/usr/lib/udev/scsi_id -g -u -d $devnode",RESULT=="1ATA_VBOX_HARDDISK_VB0c31ed82-ca3c7a2f", RUN+="/bin/sh -c 'mknod /dev/asmdiskc b $major $minor; chown grid:asmadmin /dev/asmdiskc; chmod 0660 /dev/asmdiskc'"
KERNEL=="sd*",ENV{DEVTYPE}=="disk",SUBSYSTEM=="block",PROGRAM=="/usr/lib/udev/scsi_id -g -u -d $devnode",RESULT=="1ATA_VBOX_HARDDISK_VBd2eba70f-9707444e", RUN+="/bin/sh -c 'mknod /dev/asmdiskd b $major $minor; chown grid:asmadmin /dev/asmdiskd; chmod 0660 /dev/asmdiskd'"
KERNEL=="sd*",ENV{DEVTYPE}=="disk",SUBSYSTEM=="block",PROGRAM=="/usr/lib/udev/scsi_id -g -u -d $devnode",RESULT=="1ATA_VBOX_HARDDISK_VB15946091-75f9c0f4", RUN+="/bin/sh -c 'mknod /dev/asmdiske b $major $minor; chown grid:asmadmin /dev/asmdiske; chmod 0660 /dev/asmdiske'"
KERNEL=="sd*",ENV{DEVTYPE}=="disk",SUBSYSTEM=="block",PROGRAM=="/usr/lib/udev/scsi_id -g -u -d $devnode",RESULT=="1ATA_VBOX_HARDDISK_VBac950c6b-de84431c", RUN+="/bin/sh -c 'mknod /dev/asmdiskf b $major $minor; chown grid:asmadmin /dev/asmdiskf; chmod 0660 /dev/asmdiskf'"
配置完UDEV 后需要执行:
start_udev
来让配置生效。
但在linux 7.x 中已经没有start_udev命令,在配置完UDEV 后,需要执行:
[dave@www.cndba.cn ~]# /sbin/udevadm trigger --type=devices --action=change
或者:
[dave@www.cndba.cn ~]# /sbin/udevadm control --reload
[dave@www.cndba.cn rules.d]# ll /dev/asm*
brw-rw---- 1 grid asmadmin 8, 16 Mar 21 22:01 /dev/asmdiskb
brw-rw---- 1 grid asmadmin 8, 32 Mar 21 22:01 /dev/asmdiskc
brw-rw---- 1 grid asmadmin 8, 48 Mar 21 22:01 /dev/asmdiskd
brw-rw---- 1 grid asmadmin 8, 64 Mar 21 22:01 /dev/asmdiske
brw-rw---- 1 grid asmadmin 8, 80 Mar 21 22:01 /dev/asmdiskf
如果没变,就只能重启系统了。
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