Introduction Since Oracle GI version 11.2.0.3, Oracle have provided a clustered file-system called ACFS, based on the underlined technology Oracle ASM. This technology has provided a reliable-enough, although not free from bugs, clustered file-system, while Oracle OCFS2 (which had its own cluster framework: O2CB) has been abandoned and left to die. ACFS was a good-enough…
A disclaimer: I use OEL for server-use when I can. A long support window, an enterprise environment, and yes, a very low rate of changes within the life cycle of the operating system makes it a very good candidate to hold services I do not want to fuss around, correcting configuration files on update or…
I have been using NextCloud for a long while now. It is a smart solution, and although I do not like its agent (I’ve had many problems with it around Hebrew file names on multiple types of operating systems, which never matured enough for a full bug description and details) – for an easy access…
A nice and informative note about how to obtain OracleASM attributes, including “hidden attributes” can be found here. Including the special attribute “_rebalance_compact” which affects the post-rebalance ‘compact’ ASM operation, when altering DiskGroups (per-DiskGroup, of course). Just a reminder about this specific attribute – when ASM performs rebalance operation (adding or dropping disks) it attempts…
As part as my efforts of reducing the management overhead of multiple systems – much like the rest of the world – I am in a long process of migrating all my workload from virtual machines, each dedicated to a single or a small number of related services, to a container-based solutions. While containers are…
History file is a great source of information, either if you do not remember your past actions, or if you are not a single administrator of a system, and you need to figure out what has been performed on it in the past. Unfortunately, history is not a very reliable source of information – the…
