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.

Quickly report alive IPv6 addresses on the network

While searching a robust solution to discover all alive hosts on the local IPv6 subnet, I have found the easiest way except, probably, ndp is to ping … no, not each of them, but the multicast address ff02::1 and then … Continue reading

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My article about scripting is included into the “IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines” Redbook

The latest draft of the famous “IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines” book is already on the IBM Redbooks site. And this year I was lucky to take part in writing it. … Continue reading

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Атбаш, Цезарь и Виженер в Гравити Фолз

На новый год Дед Мороз подарил сыну Дневник №3 неизвестного автора из Гравити Фолз. Папа теперь разгадывает коды и шифры. Загадок в книжке полно, пришлось на коленке написать коротенький скрипт для для раскодирования кодов Атбаш, Цезарь и Виженер. Для несчастных родителей или … Continue reading

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Modelling arithmetic calculator in Fallout 4 game: Four bit adder

On the past weekend a friend of mine has asked if I really understand how all those bits are running inside computers. I answered positively for sure, but nevertheless decided to build a bicycle electronic device that require binary logic … Continue reading

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Simple snake/wormlike creatures mod for Minetest game

Slugs. Find them on grass and dirt. A simple snake/wormlike creatures mod for Minetest to please my son who loves crafting 🙂 This is the very first, initial release. Don’t expect much, it’s very buggy and ugly. Slugs are brainless, they … Continue reading

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svcstats.py – Report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface

My *stat-like utility to report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface. Report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface Requires Python 3 with ‘pywbem’ module Before running svcstats.py, enable statistic on … Continue reading

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Extracting Performance Data from IBM Storwize

Originally posted on Vadim Zaigrin:
Universal Storage Collector could extract performance data not only from EMC Storage Systems 🙂 New Extractor extracts data from IBM Storwize storage family. As I see, IBM Storwize with base licenses doesn’t provide exact information…

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