November 2012 archive

Nov 29 2012

why I read el reg

The Register today carries a story about the discovery of a truly massive black hole named “SDSS J1106+1939” at the center of a dying galaxy. That black hole is reported to be emitting energy “equivalent to two trillion times the power output of the sun.” The story itself is classic Reg material and is covered …

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Permanent link to this article: http://baldric.net/2012/11/29/why-i-read-el-reg/

Nov 27 2012

what gives with dban?

Recently I have been faced with the need to wipe a bunch of hard disks removed from some old (indeed, in one or two cases, very old) PCs before disposal. Normally I would have used DBAN to do this because it gives me a nice warm feeling that I have taken all reasonable steps and …

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Permanent link to this article: http://baldric.net/2012/11/27/what-gives-with-dban/

Nov 22 2012

why mysql crashed

Update to previous post According to bytemark, a bug in the bigV system caused some disk corruptions for a small number of customers. It seems that I was just one of the unlucky ones. I am assured that all is now well.

Permanent link to this article: http://baldric.net/2012/11/22/why-mysql-crashed/

Nov 16 2012

forcing innodb recovery in mysql

Today I had a nasty looking problem with my mysql installation. At first I thought I might have to drop one or more databases and re-install. Fortunately, I didn’t actually have to do that in the end. I first noticed a problem at around 15.45 today when I couldn’t collect my mail. My mail system …

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Permanent link to this article: http://baldric.net/2012/11/16/forcing-innodb-recovery-in-mysql/