X-Git-Url: http://pere.pagekite.me/gitweb/homepage.git/blobdiff_plain/d87716e0e63b2441f707604f5ca145f7c92ddc4f..b6b6575e368fa0e8d3ac34a3a09aa1e21132be0e:/blog/index.html diff --git a/blog/index.html b/blog/index.html index 611313585d..7cee2eb902 100644 --- a/blog/index.html +++ b/blog/index.html @@ -19,6 +19,90 @@ +
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Some notes on fault tolerant storage systems
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1st November 2017
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If you care about how fault tolerant your storage is, you might +find these articles and papers interesting. They have formed how I +think of when designing a storage system.

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Several of these research papers are based on data collected from +hundred thousands or millions of disk, and their findings are eye +opening. The short story is simply do not implicitly trust RAID or +redundant storage systems. Details matter. And unfortunately there +are few options on Linux addressing all the identified issues. Both +ZFS and Btrfs are doing a fairly good job, but have legal and +practical issues on their own. I wonder how cluster file systems like +Ceph do in this regard. After, all the old saying, you know you have +a distributed system when the crash of a compyter you have never heard +of stops you from getting any work done. The same holds true if fault +tolerance do not work.

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Just remember, in the end, it do not matter how redundant, or how +fault tolerant your storage is, if you do not continuously monitor its +status to detect and replace failed disks.

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+ + + Tags: english, raid, sysadmin. + + +
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Web services for writing academic LaTeX papers as a team
31st October 2017
@@ -29,15 +113,16 @@ make sure at least my readers are aware of it, I would like to mention these useful services for writing LaTeX documents. Some of them even provide a WYSIWYG editor to ease writing even further.

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There are two commercial services available, ShareLaTeX and Overleaf. They are very easy to use. -Just start a new document, select which publisher to write for (ie -which LaTeX style to use), and start writing. Note, these two have announced their -intention to join forces, so soon it will only be one joint service. -I've used both for different documents, and they work just fine. -While ShareLaTeX is -free software, while the latter is not. According to There are two commercial services available, +ShareLaTeX and +Overleaf. They are very easy to +use. Just start a new document, select which publisher to write for +(ie which LaTeX style to use), and start writing. Note, these two +have announced their intention to join forces, so soon it will only be +one joint service. I've used both for different documents, and they +work just fine. While +ShareLaTeX is free +software, while the latter is not. According to a announcement from Overleaf, they plan to keep the ShareLaTeX code base maintained as free software.

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Norwegian Bokmål edition of Debian Administrator's Handbook is now available
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25th July 2017
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I finally received a copy of the Norwegian Bokmål edition of -"The Debian Administrator's -Handbook". This test copy arrived in the mail a few days ago, and -I am very happy to hold the result in my hand. We spent around one and a half year translating it. This paperbook edition -is available -from lulu.com. If you buy it quickly, you save 25% on the list -price. The book is also available for download in electronic form as -PDF, EPUB and Mobipocket, as can be -read online -as a web page.

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This is the second book I publish (the first was the book -"Free Culture" by Lawrence Lessig -in -English, -French -and -Norwegian -Bokmål), and I am very excited to finally wrap up this -project. I hope -"Håndbok -for Debian-administratoren" will be well received.

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- - - Tags: debian, debian-handbook, english. - - -
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