Wednesday, June 14, 2006

New Cluster

The new cluster that is going into this New York location will be a significant step in the right direction. The current database system is running on a 4-year old dual-Athlon 1900 MP system, which I custom built. It's currently running (2) IDE drives, RAID'd together using linux software RAID, and (3) SCSI drives, two of which are also RAID'd together. It's got 3.5GB of RAM, and has been a good workhorse for the last 3.5 years.

About two years ago, we noticed that this particular clients' email systems were slowing down (specifically SPAM checking), and recommended a new system to offload local printing, DHCP, Samba, and email processing. A new system, a dual-capable Opteron with 2GB of RAM and (4) 200GB hard drives was placed at the clients' site, and necessary files and systems were transferred over. What a change two years make – that server is now having problems keeping up!! I'm currently en-route to the location with another processor, and another 1GB of RAM which should help with the majority problem (SPAM processing).

I shipped, from Lubbock, 3 brand-new Monarch Computer servers, each one with (2) 320GB SATA drives (hot swappable), 4GB of RAM, (3) 10/100/1000MB network cards, DVD drives, and (1) dual-core Opteron CPU. These machines can take (2) more SATA drives, (1) more dual-core Opteron, and an additional 12GB of RAM, in case the client sees any of the systems slow down. We don't anticipate that will happen within the next three or four years.

However, and more important than the actual hardware, is the move away from Informix to Enterprise DB, a derivative (with commercial support) of the wonderful PostgreSQL 8.1 software. We've been working for a few months now to port over 250,000 lines of code to run on this new platform, which should give the client significant redundancy within the cluster, and almost unlimited scalability (more nodes can be added on the fly).

More on the software architecture at a later date.

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