Customer upgraded 10204 CRS and ASM to 11202 Grid Infrastructure.
Customer upgraded his 10204 Databases to 11202 Database.
Customer verified all the jobs and application to be working fine.
Customer uninstalled OLD 10204 CRS, ASM & Database home.
Their nightly export job failed with following error.
UDE-27546: operation generated ORACLE error 27546
ORA-27546: Oracle compiled against IPC interface version 3.2 found version 3.3
The D/FW Unix Users Group (DFWUUG) unexpectedly and belatedly needed a speaker for its May 5 meeting. I volunteered to speak, in case they wanted to hear about Oracle architecture, but warned that I didn’t have a presentation put together, so it would be very informal. Oracle sounds like an odd topic for a Unix meeting, but DFWUUG is liberal in its topic choices, as long as they are thought provoking.
Find out where the swap space is held:
# swapon -s
Filename Type Size Used Priority
/dev/mapper/VolGroup00-LogVol01 partition 1015800 0 -1
Look at the logical volume:
I turned in the first draft of my last chapter in Expert Oracle Exadata last weekend. Tanel and Randy are working on their last chapters so we should be done with the basic material in a matter of days. We’ll still have a fair amount of editing work to do, but that’s a lot easier than coming up with the first pass at the material (which feels a little like giving birth). So as a reward to myself I bought a new guitar.
Oracle database 11g introduced a new feature called Active database duplication. Using this feature you can create a new database (primary/standby) from your current running database. This feature does not needs any backup to be taken, nor we have to do any restore.
Creating active duplication is a RMAN feature and command for creating active duplication comes with various options.
Following is the command used for active duplication
Problem: Client suffers intermittent ORA-12545 “Connect failed because target host or object does not exist” trying to connect to oracle RAC database.
Solution: Edit server side (not client side) listener.ora and tnsnames.ora files to have fully qualified hostnames.
Thanks to David Yahalom for flagging this – it doesn’t appear to be covered in metalink/my oracle support.
Our Dbvisit web based version (Dbvisit Standby version 6.0) was scheduled to be released in April. Unfortunately this has been delayed while we try and resolve all remaining issues to ensure a stable version when we do release.
We are hoping to have Dbvisit Standby released at the end of May 2011.