Tag: oracle

• 19c – The mystery of Snapshot Carousel (Ch.2)

  

  In the previous chapter we explained the reasons why the snapshot carousel feature still has significant limitations in Oracle 19c Release. While I particularly think the feature concept is certainly interesting, these limitations will probably prevent us from implementing such architecture. However, if we could know the SQL commands that snapshot carousel executes – since…

  Francisco Rivas

  16 de February de 2023

  Multitenant

  19c, carousel, Multitenant, oracle, snapshot, snapshot carousel

• 19c PDB “Snapshot copy” series- Chapter 3 – dNFS

  

  In previous chapter 2nd we tested how easy is to implement PDB snapshot copies with a very simple setup. We leveraged this fantastic storage-based technology which is ACFS and it’s copy-on-write clones. In the example we used in that previous post, we had both the refreshable PDBs and the snapshot copies in the same CDB,…

  Francisco Rivas

  16 de January de 2023

  Multitenant

  19c, dnfs, Multitenant, nfs, oracle, pdbs, snapshot, snapshot clone, snapshot copy

• 19c PDB “Snapshot copy” series- Chapter 2 – ACFS

  

  Today we will focus on a simple practical exercise where we are going to demonstrate how easy it is to create snapshot copies with a minimal infrastructure. We start from a 19c EE single instance database and ASM storage. This database consists of the CDB “CDBA” and the PDB “PDB1”, running on a virtual machine.…

  Francisco Rivas

  6 de January de 2023

  Multitenant

  19c, acfs, copy-on-write, Multitenant, oracle, oracleandme, oracleandme.com, snapshot clone, snapshot copy