Martins Blog

Linux

Little things worth knowing: Is there a penalty in establishing a connection to Oracle using the MAA connection string?

Sorry for the long title! I had a question during my session about “advanced RAC programming…
Little things worth knowing: what does opatchauto actually do?

I recently applied system patch 20132450 to my 12.1.0.2.0 installation on a 2 node RAC system…
Little things worth knowing: exp/imp vs expdp and impdp for HCC in Exadata

Do you know the difference between exp/imp and expdp/impdp when it comes to importing HCC compressed…
Understanding enhancements to block cleanouts in Exadata part 2

In part 1 of the series I tried to explain (probably a bit too verbose when…
Understanding enhancements to block cleanouts in Exadata part 1

Travel time is writing time and I have the perfect setting for a techie post. Actually…
What happens in ASM if usable_file_mb is negative and you lose a failgroup

Having read the excellent post “Demystifying ASM REQUIRED_MIRROR_FREE_MB and USABLE_FILE_MB” again by Harald von Breederode I…
Installing Oracle 12.1.0.2 RAC on Oracle Linux 7-part 2

In the first part of the article series you could read how a kickstart file made…
Installing Oracle 12.1.0.2 RAC on Oracle Linux 7-part 1

Now that 12.1.0.2 is certified on RedHat Linux 7 and spin-off environments it’s time to test…
RAC One Node 12c-revisited on ODA 12.1.2.1.0 featuring database on ACFS

Thanks to Andy Colvin (@acolvin) and the Enkitec lab I have been able to get my…
UKOUG post conference geek update part 1 – ACFS for Oracle databases

One of the many interesting things I heard at the conference this time around was that…