This post will offer several tips and tricks for wiring cables into new rack closets. It uses pictures as a demonstration of what to do and what not to do. It is based on a job I have taken part in with several other companies, moving the server farm to a new location. This job…
As you can see in my previous posts, I have an NVidia card. It worked quite well while using XGL, but due to XGL’s memory consumption (it takes a lot of memory), I have decided to try for AIGLX, which is part of the X.org system. In my previous post you can see that (and…
Using Nvidia propriety driver version 9755 allows using AIGLX instead of the slower and deprecated GLX interface. AIGLX nowadays is part of Xorg 7.1 and above. You can find a guide in OpenSuse Wiki which will describe the required actions. I have attached here my own xorg.conf file which allows Dual-head setup with 2 LCD…
Performance tuning is a sort of art. You know what you expect to reach, and you somehow strive towards that through selective tuning. Either your OS memory utilization, your network settings, NFS mount parameters, etc. I’ve been to a customer who’s server acted funny. First, it had high load average – for an idle server…
I’ve been browsing a blog of a friend of mine, xslf, when I read this post dealing with this cute wifi rabbit. I have been browsing its website. I want one. This rabbit just cought me so badly that I even set the icon for the "Not Really Technical" section to be its figure. I…
HP MSA1000 is an entry-level disk storage capable of communicating via different types of interfaces, such as SCSI and FC, and can allow FC failover. This FC failover, however, is controller failover and not path failover. It means that if the primary controller fails entirely, the backup controller will “kick in”. However, if a multi-path…
