Philipp's Computing Blog

Success is about speed and efficiency

Posts with the tag SSDs

Severe Problems with the SSD SanDisk Ultra II 240 GB

Yesterday, my SanDisk Ultra II 240 GB solid state drive - which hosts my Arch Linux system partition - showed a lot of ata errors (in the kernel message output dmesg). Rebooting was not possible, the system startup halted - again showing some ata failures. Very annoying!!! I was very...

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Update the Firmware of an OCZ Agility 3 SSD via the Linux Command Line

Boot a Linux system (not from the SSD itself!). For example a Ubuntu Live distribution. Run the following commands in your terminal (consider choosing a later firmware version if available from OCZ):

cd ~/Downloads
wget http://www.ocztechnology.com/files/ssd_tools/fwupd_v2.12.05.tar.gz
tar -xf fwupd_v2.12.05.tar.gz
sudo su
### The next step is flashing the SSD:
~/Downloads/fwupd_v2.12.05/linux64/fwupd –log /dev/sd?
# ( ↑ This...

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SSD Optimizations on Mac OS X

Firefox Cache

To disable the the Firefox cache on the disk (SSD) and move it to your RAM, follow these steps:

  • Go to about:config and set browser.cache.disk.enable to false
  • as well as browser.cache.memory.enable to true.

You can check what the cache is doing by going to about:cache

Set the noatime option on the root filesystem

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SSD optimizations on Linux

  • Use the mount option relatime (or noatime if you are brave) for the SSD partitions in /etc/fstab.
  • Replace several directories (those, the system writes to frequently) with a tmpfs file system as shown below.
  • Disable Firefox caching by setting browser.cache.disk.enable to false in about:config.
    Alternatively create the entry browser.cache.disk.parent_directory and set...

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