Direct Read Path
https://weidongzhou.wordpress.com/2016/04/06/direct-path-read-vs-buffer-cache-read/ For direct path read, SGA is bypassed and the blocks are read directly into…
How to Resize Exadata Grid Disks Without an Outage
https://www.pythian.com/blog/technical-track/how-to-resize-exadata-grid-disks-without-an-outage
How to Enable Virtual Box host-only adapter(Error:No host-only Adapters currently selected)
https://www.youtube.com/watch?v=fqNvwPdjQX8
Exadata simulation
https://dbtut.com/index.php/2018/11/29/how-to-recreate-exadata-flashdisk-and-flashcache/http://nayakvishwanath.blogspot.com/2016/09/exadata-importance-of-cellinitora-and.htmlhttps://alldba.com/exadata-simulation-on-vm-cell-11-2-3-2-1/https://dbaesp.wordpress.com/category/exadata/https://www.sultandba.com/2020/04/exadata-on-vmware-step-by-step.html Besthttps://dbaesp.wordpress.com/2013/12/11/exadata-virtual-test-environment-for-oce-prep-storage-cell-node/ https://unknowndba.blogspot.com/2021/11/exadata-shutdown-or-reboot-cell-without.html https://alldba.com/create-asm-disk-group/
Increase block size – mpathc
https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/6/html/dm_multipath/online_device_resize#online_device_resize sudo dd iflag=direct if=/dev/[sdb] of=/dev/null count=1echo “1” | sudo tee /sys/class/block/[sdb]/device/rescan sudo multipathd resize…
Add block volume
sudo parted /dev/oracleoci/oraclevdc unit sprintNumber Start End Size File system Flags1 0s 4294967295s 4294967296s ext4rm…
Upgrade from 19c to 23 in OCI
https://eclipsyssolutions.com/blog/how-to-upgrade-oci-basedb-dbcs-from-19c-to-23c
Golden gate problem and solution
WARNING OGG-01154 SQL error 1403 mapping source table SIEBEL.S_PARTY to target table SIEBEL.S_PARTY. Database error:…
Full Stack DR
https://blogs.oracle.com/maa/post/fullstackdr-support-load-balancer https://www.ateam-oracle.com/post/lb-without-custom-hostname-with-fsdr https://apexapps.oracle.com/pls/apex/r/dbpm/livelabs/view-workshop?wid=3357 https://blogs.oracle.com/maa/post/fullstackdr-support-load-balancer https://blogs.oracle.com/authors/suraj-ramesh
DBCS Patching
https://eclipsyssolutions.com/blog/oracle-base-database-patching-to-19-17-using-dbcli