Amateurs.

In no particular order

1. The OS and data should never reside on the same disk or controller in a production system.

2. If proper backups are maintained, that is to say available on local disk as well as archival tape, restoration should be quick and trivial.

3. For a hosting company to provide services on the basis of RAID 5, rather than a SAN (properly configured to suit the application's IO requirements) is inexcusable.

4. For Leo and company not to have known what the hosting firm was doing, or to have approved of it if they did, was foolish in the extreme.

Matthew

On Sep 21, 2008, at 2:38 PM, John DeCarlo wrote:

Hello,

Got the explanation for why Leo Laporte's web site was down. Too bad his
outsourced people aren't up to speed on the perils of RAID.

The Website Is Down Submitted by Leo Laporte on Sun, 2008-09-21 14:41.

On Friday evening we had a catastrophic failure of the web server that hosts TWiT Live, the TWiT Army Canteen, Leoville.com, and this site. The RAID 5 controller died, and when it did it marked all the disks unusable. Support personnel at Softlayer, our hosting company, weren't able to recover the disks, so they did the only thing they could do: replaced the controller and reinstalled the operating system. We're in the process of restoring all the
sites.



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