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Tuesday, December 18, 2007

DR Tests & System Restores

I know I have covered this before, but we have been doing DR tests and when restoring UNIX servers I find it easier and faster to use the Web/Java GUI to select all file systems required to restore the data than following the IBM guideline to build a small script that runs them serially. The thing I don't get is why they would push command line restore. Doing the restore file system by file system will require the same tapes be mounted multiple times where the GUI will restore all the data available on the tape for the selected backup. They do state that you can execute more than one restore simultaneously, but in every DR exercise I have run that would just cause tape contention since I do not collocate by file space. Unless I am wrong in how TSM handles a GUI based multiple file system restore wouldn't the GUI be the better solution when in a DR or full UNIX system restore scenario?

Of course this is all dependent on whether you have Java 1.4.1 or higher installed.

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