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Neil Chandler's DB Blog

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      • Why Has My Plan Changed. Top 7 Plan Stability Pitfalls and How To Avoid Them!
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  • Administration, Problem Solving

    My alert.log is broken

    Published by

    chandlerdba

    on

    2011-05-24

    Well, not mine, but a recent post on the oracle-l mailing list which I thought was worth linking to and repeating. Firstly, because it’s interesting, and secondly, because it shows some good problem solving skills by both the poster and the wider Oracle community. The poster in question was experiencing…

    Continue reading →: My alert.log is broken
  • SAN

    So how big is that disk?

    Published by

    chandlerdba

    on

    2011-05-10

    I’m doing a fair bit of SAN-based work at the moment, migrating a bunch of Oracle databases from EMC to HP (posts to follow regarding Orion testing and other related topics). One thing that annoys me is the way SAN Manufacturers have changed the meaning of technical terms over time…

    Continue reading →: So how big is that disk?
  • Management

    A little rant about DBA’s

    Published by

    chandlerdba

    on

    2011-05-05

    Well, a while ago I was doing some interviews for a client for a Production support DBA. This was for a short term contract to look after a few systems while the incumbent was off doing more interesting project work. The thing I discovered was the absolutely dire level of…

    Continue reading →: A little rant about DBA’s
  • Backups, Datapump

    Datapump Failure

    Published by

    chandlerdba

    on

    2011-03-28

    Did you know that Datapump creates a table on the fly? I had forgotten, but I suspect I won’t forget again after resolving a datapump failure. We do a datapump export every night. Tonight it failed. Last night we had a kernel panic which caused server reboot at the same…

    Continue reading →: Datapump Failure
  • Backups, RMAN

    Problems with RMAN and incarnations.

    Published by

    chandlerdba

    on

    2011-03-23

    One day, not so very long ago, I was at a client site looking through the “passive” half of an AIX  HACMP clustered server to tidy it up a little as we were experiencing pressure on space. There was a test database on there with a very large amount of…

    Continue reading →: Problems with RMAN and incarnations.
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