Filesystems Archive

Creating bootable Windows USB from Linux

Intro Many of you probably have Linux for your desktop OS and therefore don’t have access to Microsoft’s DVD/USB tool that creates bootable USB from iso. I’ve had few issues in the past when I tried to make bootable USB from my windows.iso file. Pretty lame, but still… There used to be programs like winusb

EnhanceIO block cache – howto and benchmark

What is EnhanceIO? EnhanceIO is fork of Facebook’s flashcache. It uses SSDs as cache devices for traditional rotating hard disk drives. I had one spare SSD @ my office so why not give it a try. I chose EnhanceIO over other block caching drivers becouse it’s one of rare drivers that doesn’t need any modification

Tips for optimizing disk performance on Linux

Forespeech Lately I’ve been dealing mostly with storage and disk performance. We have several MySQL / MongoDB databases, which can be very I/O consuming. Usually people benchmark storage when they setup server, but running a real service on it, will actually show how really optimized the server is. Tips for optimizing your disk storage I’ll

Hot backup for KVM / libvirt / Xen

Overview We use Xen server on our development server and I decided, it’s time I start making full snapshots of my VM’s. So far we’ve done data backup only, mainly because of storage limitations. Since we got the new server, I have much more disk space now, so I would like to backup whole VM’s.

Converting your InnoDB MySQL server to TokuDB (how we did it)

What is TokuDB? TokuDB is a storage engine for MySQL and MariaDB that dramatically improves the performance of large databases (typically 50 GBs or larger). By replacing 40-year-old B-tree technology with patented Fractal Tree® technology, TokuDB speeds indexing by 10x or more, and reducing the size of the database by upt o 90%. Because of