Archive for the ‘storage’ Category

WD Green Discs and the problem in Linux (Load Cycle Count)

While many people report that WD Green Discs are “bad” i wouldn’t say so. I’d say they’re the best SATA drives I’ve ever had – even with the problematic load-cycle-count. But let’s take a closer look at these discs.

Linux and Software-Raid

Hello, i’m using software raid in linux for some years now. Recently when playing around a bit i found out a few interesting things, which i don’t want to hide from ya. However, at some parts of my article you might lose data – So always do a backup, and look up everything in the [...]

Software Raid, Superblock, Meta-Data and Autodetection on Boot

You’re used to your raid beeing autodetected at startup? You’ve build a new raid-array which you’re using for / (root) and you’re wondering that it’s not booting, while you can mount it fine? You’re getting messages that the root filesystem couldn’t be found nor that it could detect any raid array? Join the fun!

Setting up ZFS with 3 out of 4 discs (raidz)

Hey, The usual problem, if you want to set up for example a software raid 5 – You got only 3 discs, you’re first creating the raid array with only 2 and one failed disk. Later then you add the third disk. Something similar is also possible with ZFS using a sparse file. In the [...]