Posts by Yury Velikanov

Minimal Downtime Option for Upgrading Oracle 9i/10G Databases to 11G

This process can be used for most 11G upgrade projects. Very often a hardware got updated at the same time as a database version. In such case we migrate a database from an original location to a new server upgrading database version and sometimes changing operational system. If this is your scenario then you can use the upgrade process to minimize system’s downtime to 1 hour independently from size of the database you migrate.

Oracle Direct NFS: How to start

First of all if you are using NFS to store Oracle database data files I strongly advice you to enable Oracle Direct NFS (DNFS) to access those files, the main reason is performance. DNFS removes a serialization point over the traditional “kernelized” NFS. However if you are not using NFS then most probably DNFS is out of interest for you and you should stop reading, but if you want to set it up lets go.

Error Installing Oracle VM: File “/usr/lib/anaconda/network.py”, line …

I just installed 3.1.1 Oracle VM server for training purposes on my sandbox and faced the same issue I faced installing 3.0.3 and 3.0.1 versions before. I quickly found a workaround that worked for me. But as follow up I decided to search though Google and MOS in order to see if there has been any good development in resolving the issue from others (Oracle may be ;). Anyway this is that I found.

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