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Top Posts & Pages
- A nice way to return string values from functions in Bash
- Short memo on COUNTIFS(), SUMIFS() and VLOOKUP() functions in MS Excel
- Executing a batch of commands on multiple IBM SVC/Storwize storage systems
- Grouping commands in the Bourne Shell (sh)
- Compare two regular or device files block by block
- Excel formulas syntax
- Quick reference for adding and attaching drives in VirtualBox CLI
- Accessing IBM SVC/Storwize devices with Python and SSH
- svcstats.py - Report IBM SVC/Storwize storage system performance statistics in CLI using SMI-S interface
- My article about scripting is included into the "IBM System Storage SAN Volume Controller and Storwize V7000 Best Practices and Performance Guidelines" Redbook
Category Archives: Copy-paste
RAIDZ on-disk format vs. small blocks
Possible ZFS performance problems with small blocks, block alignment and much more explained by Mike Gerdts.
Posted in Copy-paste, Storage
Tagged block, performance, raidz, Storage, volume, ZFS
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An elegant way to limit concurrency with Python asyncio
Asynchronous code can sometimes be confusing because it tends to grow and becomes complex after some time. Fortunately, such a gem can save a lot of time and effort: From: https://stackoverflow.com/a/61478547/9127614
Skills, Rules and Knowledge для IT-шника и человека
В прошлый раз мы затронули такие проблемы образования как схоластический подход к обучению, а также немного поговорили о порочной практике тренинга навыков в ущерб получению знаний. Теперь настало время обсудить эти две фундаментальные категории более подробно и понять, в чём между ними принципиальная разница. Читать … Continue reading
Posted in Copy-paste, My projects
Tagged education, knowledge, learning, Rasmussen, skills
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Мое очень субъективное мнение о профессиональном и не только образовании в ИТ
Обычно я пишу про ИТ – на разные, более или менее, узкоспециализированные темы вроде SAN/СХД или FreeBSD, но сейчас я попытаюсь выступить на чужом поле, поэтому многим читателям мои дальнейшие рассуждения, покажутся в достаточной мере спорными или даже наивными. Впрочем, … Continue reading
Posted in Copy-paste, Impressions, My projects
Tagged education, IT, knowledge, learning, skills
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Extracting Performance Data from IBM Storwize
Originally posted on Вадим Заигрин:
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 about performance.…
Brocade Communications in Advanced Talks to Sell Itself – Bloomberg
Brocade Communications Systems Inc. is in advanced talks to sell itself, according to people familiar with the matter. Source: Brocade Communications in Advanced Talks to Sell Itself – Bloomberg UPD. Broadcom Press-release on the deal is already published.
The BeaST storage is mentioned on BSD Now TV!
While reviewing two BSD Magazine issues Allan Jude and Kris Moore discuss also the BeaST storage architecture articles. BSD Now, Episode 157, starting from 0:53:05
Posted in BeaST, Copy-paste, Storage
Tagged articles, BeaST, BSD Now, BSDMag, High Available, press mentions, SAN, Storage
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ZFS internals by Leal
These ten wonderful posts from Leal’s blog will teach you how to deal with not only ZFS internals 🙂 Thanks to Stoyan Stoyanov for pointing it to me.
Hitachi Tuning Manager Agents cheat sheet
A bit outdated yet very useful cheat sheet for Hitachi Tuning Manager agents configuration. Also the whole site is amazing source of UNIX and Storage articles. Note: the texts are primarily in Russian language. Source: HDS Tuning manager agents – напоминалки | Unix pin
Почему мой телефон не обновится до нового андроеда? – Official Russian – Medium
То, что вы всегда подозревали, но боялись сказать вслух про телефоны с Android 🙂 “Андроед-телефоны, как и все вещи в 2016 году, собираются из каких-то *баных микросхем. У вас могло сложиться ошибочное мнение, что работу …” Источник: Почему мой телефон … Continue reading