&gt; CentOS 6.5 was used, SSDs were formatted with XFS and they were mounted into &#x2F;mnt&#x2F;ssd1 and &#x2F;mnt&#x2F;ssd2. XFS was used because that is our main file system for databases.<p>write barriers is a mount option [1] [2].<p>[1] <a href="http:&#x2F;&#x2F;linux.die.net&#x2F;man&#x2F;8&#x2F;mount" rel="nofollow">http:&#x2F;&#x2F;linux.die.net&#x2F;man&#x2F;8&#x2F;mount</a><p>[2] <a href="http:&#x2F;&#x2F;lwn.net&#x2F;Articles&#x2F;283161&#x2F;" rel="nofollow">http:&#x2F;&#x2F;lwn.net&#x2F;Articles&#x2F;283161&#x2F;</a>