So the wife decided that I needed a GoPro, she ordered me the Hero3+ Silver. After some initial fiddling I noticed that the overall video quality and camera quality, etc. was not exactly as good as I was hoping. After … Continue reading
After years of only being able to ‘work’ on my Linux desktop I’m finally able to play some of my favorite games again. These are provided by Valve through Steam for Linux. I’ve noticed a few minor issues here and … Continue reading
What is Lustre DNE? The Lustre Distributed Namespace (DNE) feature is a new technology developed for the Lustre File system. The feature it self allows for the distribution of file and directory metadata across multiple Lustre Metadata Targets (MDT). With … Continue reading
When installing lustre it is necessary to generate the storage targets, this is completed with mkfs.lustre, normally this happens without issue, however from time to time this isn’t the case. The following issues are ones I’ve seen and solutions are … Continue reading
From the Wikipedia article on Lustre File Systems: Lustre is a type of parallel distributed file system, generally used for large-scale cluster computing. The name Lustre is a portmanteau word derived from Linux and cluster.[3] Lustre file system software is available under the GNU General Public License (version 2 only) and … Continue reading
Just a reminder, if you’ve got an SSD and any modern Linux distribution fstrim is your friend. I suggest running it as a simple cron job.
In Lustre 2 and above, the inode numbers, which on a standard file system represent the static integer ID of a file now appear to be totally insane, being full 64bit integers. [root@coolermaster lustre]# stat x y z File: `x’ … Continue reading
As requested, here is a Lustre 2.4.0 /proc/fs/lustre dump containing various bits of information on my simple single node test system Click here to view
Well, after a very busy few weeks I’ve finally had some time to my self to get somethings done. One of those things was to replace my favorite all time wireless keyboard / mouse (The Monual MK700) with something new … Continue reading
So after a few months of being carefully packed up (and turned off), I finally had enough free time to unpack my office again and get things going. To my surprise the keyboard wasn’t working correctly. Even though it was … Continue reading