What’s the difference between Reliability, Durability, and Availability for data storage system?

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Some important concepts in distributed system like Hadoop distributed file system, Google file system and so on. Answer from http://www.quora.com/Whats-the-difference-between-Reliability-Durability-and-Availability-for-data-storage-system The difference between durability and availability is fairly simple. Durability is about what happens when all power goes out everywhere. Has all data been written to stable storage that doesn’t require power (e.g. disk/flash), in
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Chrome reports “Adobe Flash Player was blocked because it is out of date.”

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On Linux (Fedora 17 x86-64), Chrome keeps reporting “Adobe Flash Player was blocked because it is out of date.” every time I browse a page that contains Flash. How to fix this? I did this and it turned to be working for me: Disable the libpepflashplayer in Chrome by run chrome://plugins/ in the URL bar.
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How to Configure the Latest Version of Flash on Firefox for Linux: by the Fresh Player Plugin

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As you may know, Adobe stopped supporting the NPAPI version of Flash on Linux and the latest NPAPI version of Flash player at version 11.2 released back in 2012 will only receive security fixes. Even the security fixes to the 11.2 version of the Flash Plugin your Firefox is using will end on May 4,
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HP Compaq BIOS Crisis Recovery from a Failed BIOS Flashing Using a USB Flash Disk

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I tried to flash my HP Compaq CQ35-240TX’s BIOS to F.15 but unfortunately failed. The computer turned to white screen. When I restarted (powered off then boot again), this is no response any more: the hard disk and caps lock’s LED keep blinding. I thought "Oh my God! I must send it to HP to
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Essential Firefox Add-ons to Make Firefox Better

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Firefox is highly configurable and there are lots add-ons for it. Addons make Firefox to be good. In this post, I list a set of the best add-ons that I use daily and make my life easier and happier. Essential Firefox addons Screengrab! to make screenshots and save to files or to clipboard. Foxy Gestures
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Installing the Flash Plugin for 64-bit Firefox in Linux x86-64

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This post introduces how to install flash plugin to 64-bit firefox on a x86-64 Linux (Fedora as the example). Both 64-bit and 32-bit plugin are available. 64-bit flash plugin for Firefox on Linux First, download Flash Player Release for 64-bit Linux from Adobe Labs. Then, unpack the package: $ tar xf flashplayer.tar.gz Check whether all
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Installing and Configuring 32-bit Firefox on 64-bit Linux (Fedora)

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On a x86-64 64 bit Linux system, sometimes we may want to use the 32 bit Firefox, although the support to 64 bit Firefox is getting much better. Just for needed ones, this post introduces how to install 32 bit Firefox on 64 bit Linux (Fedora as the example). Install 32-bit firefox First, install firfox.i686
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How to Create Fedora Live USB Media

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How to create a Fedora live USB media is introduced in this post. We can boot to Fedora operating system environment through a live USB system in the USB flash media on a USB-bootable computer without writing the computer’s hard disk. We can also install Fedora operating system from the live system environment. Remember to
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ld-linux.so Taking High CPU Usage Caused by Adobe Reader

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解决ld-linux.so大量占用CPU 注: 这是在低版本上的Adobe Reader导致的, 较新版本可能已经无此问题. — Zhiqiang Ma on Oct. 29, 2011 在我这边是因为adobe reader导致的. 我解决的方法是这样子的: 1. 复制一份libgtkembedmoz.so并认reader使用它, 这个在preferrence中找到设置一下就可以了, 我是从thunderbird中找到的. 2. #setsebool -P allow_execheap=1 关于这个的相关解释如下 ************************************************************* The following error pops up in setroubleshooter when opening a PDF form with Adobe Reader 8.1.2 on a Fedora 8 system with SELinux in enforcing mode. It looks like an
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Colossus: Successor to the Google File System (GFS)

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Colossus is the successor to the Google File System (GFS) as mentioned in the paper on Spanner at OSDI 2012. Colossus is also used by spanner to store its tablets. The information about Colossus is slim compared with GFS which is published in the paper at SOSP 2003. There is still some information about Colossus
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