Author Archives: mezzantrop

About mezzantrop

10 years of experience in large SAN and storage environments: mainly Hitachi, HP and Brocade. Now I am a proud SAN/storage IBMer. Empty – expect-like tool author. FreeBSD enthusiast.

Excel formulas syntax

Once, I thought embedding SQL requests into a code was the most boring thing I could imagine. Now I’m losing all my marbles while trying to push MS Excel formulas into my Python script.

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Accessing IBM Storwize devices with Python and SSH

Recently I have posted a simple example of how to fetch storage related data from IBM Spectrum Control with the help of Python and REST API. Now lets turn the power of Python to access IBM Storwize system directly with … Continue reading

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Getting data from IBM Spectrum Control. RESTful API usage example in Python

Searching for a handy way to fetch data from IBM Spectrum Control (earlier versions are called Tivoli Storage Productivity Center (TPC)), I have found a perfect IBM storage blog: https://storagemvp.wordpress.com. Among other interesting topics it describes several methods to export … Continue reading

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D81S – simple SAN visualisation tool

D81S – my SAN visualisation tool, which I develop to build a full map of a Fibre Channel Storage Area Network by tracing all paths from HBAs to storage logical devices. D81S scans SAN switches and storage systems to create a database of … Continue reading

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Another challenge for those, who can exit vi

Using ed, write a hello_world.txt file with two lines “Hello World!” and “ed is the best editor”. Don’t forget to exit 🙂

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First sketches of the new BeaST Grid family storage system

“The BeaST Grid” is a work name of the reliable storage cluster concept. It will consist of a few Controller Nodes with optional internal drives and several Drive only Nodes. All nodes are commodity computers with internal drives. Controller Nodes will … Continue reading

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The BeaST storage system with ZFS and CTL HA, latest news

Finally, I did it! The BeaST storage system with ZFS and CTL HA works in ALUA mode with zpools balanced over controllers. The BeaST Quorum automates Failover/Failback operations. Yes, I have something to say now: Read the full description on … Continue reading

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