引自华为凯发k8官网下载客户端中心官网的一张rac结构图-凯发app官方网站

那么512g内存怎么分配呢？

root用户环境变量设置

udev设置

linux 6：
[root@dbn01 u01]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
kernel=="sd*", bus=="scsi", program=="/sbin/scsi_id --whitelisted --replacewhitespace --device=/dev/$name", result=="3688860300000000ae036568967094421", symlink ="asmdisk/ocrdisk01", owner="grid", group="asmadmin", mode="0660"

kernel=="sd*", bus=="scsi", program=="/sbin/scsi_id --whitelisted --replacewhitespace --device=/dev/$name", result=="36888603000000009e036568967094421", symlink ="asmdisk/ocrdisk02", owner="grid", group="asmadmin", mode="0660"

linux 7：
[root@dbn01 u01]# vi /etc/udev/rules.d/99-oracle-asmdevices.rules
kernel=="sd*", subsystem=="block", program=="/usr/lib/udev/scsi_id -- whitelisted --replace-whitespace --device=/dev/$name", result=="3648fd8e1005e339f62e1bfb90000000c", symlink ="asmdisk/ocrdisk01", owner="grid", group="asmadmin", mode="0660"

kernel=="sd*", subsystem=="block", program=="/usr/lib/udev/scsi_id -- whitelisted --replace-whitespace --device=/dev/$name", result==" 3648fd8e1005e339f760c521700000004", symlink ="asmdisk/ocrdisk02", owner="grid", group="asmadmin", mode="0660"

/sbin/udevadm control --reload-rules
/sbin/udevadm trigger --type=devices --action=change

ll /dev/asmdisk/

引自：https://support.huawei.com/enterprise/en/doc/edoc1100053122/194dd339/starting-database-instances-by-using-the-srvctl-command

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