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What does boostate and updated field mean in boot.cfg? I am trying to figure out the way to determine the bootbank from which ESXi will boot. I was thinking of relying on bootstate = 0 but found that both bootbanks can have bootstate of 0.

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  • May I ask why you're looking for this?
    – ewwhite
    Commented Sep 24, 2012 at 23:59

2 Answers 2

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The bootstate value determines whether the bootbank is usable.

A value of: 0 indicates a functioning bootbank, 1 indicates a recently upgraded bootbank, 2 indicates a defective bootbank and 3 indicates a bootbank has been voluntarily marked as bad/invalid for the purposes of rollback -1 is an invalid boot.cfg

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From this question the boot.cfg with the higher updated value is the primary bootbank. I'm not certain on the use of boot state.

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