How to create a backup with retention
Here an easy script to run a backup an in this case with a 30 day retention:
sshUserSetup.sh: Remote host reachability check failed
I had this issue while installing grid in my lab.Checked everything: ping to both nodes, ssh to both nodes both ways… all ok, but still not able to run sshUserSetup.sh: Well… what was the problem? “racnode1 racnode2” vs “racnode1 racnode2” ( the “)And now it runs ok:
Who is generating Invalid logins on your DB?
If AUDIT_TRAIT is set to DB: If AUDIT_TRAIT is set to XML: In this case, this is the agent configured with a invalid password.
ORA-01274: cannot add datafile – file could not be created
Sometimes you might see this error in a Standby DB and MRP fails: Now, how to fix and restart MRP?
How to check how much archive logs DB is generating
You have been requested to check how much a DB is generating on archive logs, it can be for FRA size planing, standby lag analysis…. you name it. We can see here DB has the higher load during 1am to 3am. Here you can get the size it is generating per day:
dbaascli patch db prereq failing with: Error opening the transaction id file
Sometimes you are doing a cloud patch precheck and error is a bit cryptic, it even says “ready to apply patch”! Now, if you try from the other node it can give you a hint: Somehow it can not copy file from DBNODE_B to DBNODE_A, and indeed, we tried to ssh both ways and we... » read more
SQL: How to kill sessions in bulk
For this first post, lets start with something easy that everyone that manages a DB should know. You have been requested to kill everything that RMAN is running for whatever reason. It can be backup is no longer valid or it is generating impact in performance, which needs to be resolved right away. Do you... » read more