Continuing the series of posts on the RAC/ASM to SingleInstance/FileSystem DataGuard configuration … With both instances RAC1 and RAC2 running, I have redo shipping from both instances to the single instance STBY.(In my test server with 3 VMs, it takes a number of minutes to have all 3 instances running and communicating with each other … so there are spurious ORA and TNS errors until the 3 instances have stabilized.
With a successful RAC Cluster, running the Cluster Verification Utility [oracle@collabn1 ~]$ cluvfy stage -post crsinst -n collabn1,collabn2Performing post-checks for cluster services setupChecking node reachability...Node reachability check passed from node "collabn1"Checking user equivalence...User equivalence check passed for user "oracle"Checking node connectivity...Checking hosts config file...Verification of the hosts config file successfulCheck: Node connectivity using interfaces on subnet "192.168.78.0"Node connectivity passed for subnet "192.168.78.0" with node(s) collabn2,collabn1TCP connectivity check passed for subnet "192.168.78.0"Check: Node connectivity using interfaces on subnet "172.16.100.0"Node connectivity passed for subnet "172.16.100.0" with node(s) collabn1,collabn2TCP connectivity check passed for subnet "172.16.100.0"Checking subnet mask consistency...Subnet mask consistency check passed for subnet "192.168.78.0".Subnet mask consistency check passed for subnet "172.16.100.0".Subnet mask consistency check passed.Node connectivity check passedChecking multicast communication...Checking subnet "172.16.100.0" for multicast communication with multicast group "18.104.22.168"...Check of subnet "172.16.100.0" for multicast communication with multicast group "22.214.171.124" passed.Check of multicast communication passed.Checking whether the ASM filter driver is active and
Chromium engineer Dirk Pranke says Chrome is about to drop support for all 32-bit Linux distros soon.
Here are a few more useful KEYWORDs and SubClauses AS COPY and COPY OFUnlike the BACKUPSET format that is the default for an RMAN Backup, Image Copy backups (those that would be akin to backups created as User Managed Backups without RMAN) can be created in RMAN using the AS COPY specifer.