If you're confident about a change in your DB, triple check

  • HildaJ

    SSCarpal Tunnel

    Points: 4453

    Comments posted to this topic are about the item If you're confident about a change in your DB, triple check

  • simon.murin

    SSC-Addicted

    Points: 449

    Lesson learnt - never ever use the CLR 🙂

  • David.Poole

    SSC Guru

    Points: 75200

    Nice post. As ever the devil is in the details!

    One suggestion I would make if anyone has to go through a database file move and consolidation is to double-check the storage.

    If you have an underlying SAN then involving your SAN administrator can make life a lot easier. They will know what the physical storage underlying the presented drives looks like and whether it will support the IO load of the consolidation.

    It may even prompt them to devot dedicated storage to SQL Server.:cool:

    It's very easy to forget that there may be things outside of SQL Server that can affect the performance and effectiveness of SQL Server.


    If you migrate a really old system imagine finding that someone installed a set of ActiveX components being called by the sp_OA stored procs or through SQL 7 DTS packages:sick:

  • BarbW

    SSCarpal Tunnel

    Points: 4759

    Thanks for sharing your experience. I'm sure you have not been the first and will not be the last to have this, or something like this happen when taking over legacy systems or migrating SQL files.

  • Rod at work

    SSC-Dedicated

    Points: 33154

    Interesting article. As someone whose possibly facing a change, and considering doing more DBA activities, I learned from what you've said here, Hilda, thanks.

    Kindest Regards, Rod Connect with me on LinkedIn.

  • Miles Neale

    SSChampion

    Points: 13147

    Thanks for sharing your experience.

    Not all gray hairs are Dinosaurs!

  • Jeff Moden

    SSC Guru

    Points: 995150

    Thank you for sharing the experience. I'm concerned that you have databases set to TRUSTWORTHY ON, though... especially since they're public facing.

    --Jeff Moden


    RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row.
    First step towards the paradigm shift of writing Set Based code:
    ________Stop thinking about what you want to do to a row... think, instead, of what you want to do to a column.
    "If you think its expensive to hire a professional to do the job, wait until you hire an amateur."--Red Adair
    "Change is inevitable... change for the better is not."
    When you put the right degree of spin on it, the number 3|8 is also a glyph that describes the nature of a DBAs job. 😉

    Helpful Links:
    How to post code problems
    Create a Tally Function (fnTally)

  • Russell Shilling

    SSCarpal Tunnel

    Points: 4274

    Dealing with CLR procedures is a black art. Be sure to document that so you will remember in a year, when one database is moved again!

    So long, and thanks for all the fish,

    Russell Shilling, MCDBA, MCSA 2K3, MCSE 2K3

  • HildaJ

    SSCarpal Tunnel

    Points: 4453

    Jeff,

    I totally agree with on the exposure of the database to the public. The team I formed part with now it's very concious about this issue. We're taking all the steps necessary to prevent that, or at least I'd like to believe we are and every day we're looking for hole in out environment : ) I think awareness and preparation is all we can do.

    Thanks.

  • TravisDBA

    SSCoach

    Points: 15780

    Brent Ozar wrote a SQL script called "Blitz! 60 Minute Takeovers" that is meant for DBA's taking over existing database servers and databases that they are inheriting. It's a priceless gem and I have used it so many times in the past when taking over new database servers and databases that I am not familiar with. It should be a mainstay in your SQL toolbox. Check it out at http://www.BrentOzar.com/go/blitz 😀

    "Technology is a weird thing. It brings you great gifts with one hand, and it stabs you in the back with the other. ...:-D"

  • HildaJ

    SSCarpal Tunnel

    Points: 4453

    I will definitely check it out. Thank you.

  • SQLRNNR

    SSC Guru

    Points: 281205

    Nice reminder.

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
    Posting Performance Based Questions - Gail Shaw[/url]
    Learn Extended Events

Viewing 12 posts - 1 through 12 (of 12 total)

You must be logged in to reply to this topic. Login to reply