首页 > 数据库 > > RMAN备份下开启并行与快照报错的小问题
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--开启并行
configure device type disk parallelism 3;
--配置控制文件快照至集群的共享存储,节点间可以互相访问
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+HDD/snapcf_orcl.f';
--开启压缩备份集,并使用多通道进行备份,解决大数据下的备份空间与速度
run {
allocate channel c1 type disk;
allocate channel c2 type disk;
allocate channel c3 type disk;
backup as compressed backupset format '/rac_dg/arch_back/con_%U' database include current controlfile for standby;
release channel c1;
release channel c2;
release channel c3;
}
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