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Thread: Hot-swap drives vs "not" how-swapple drives question

  1. #1
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    Hot-swap drives vs "not" how-swapple drives question

    What is the difference between HDD's which is said to be hot-swappable, and HDD's that aren’t?

    Is it just a question about, that hot-swappable disks wont break from the sudden electrical charge when you swop them in a system?
    Or is their a deeper meaning?

    For example.

    If you buy a 2U server with 8 3.5" bays. And you buy disks of a good quality (raid disks), but they aren’t hot-swappable.
    What would the downside to that be?

    Hope someone can cast a bit of light on my question ,)

    Kind regards.
    Last edited by Drenriza; July 3rd, 2013 at 08:37 AM.

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    Re: Hot-swap drives vs "not" how-swapple drives question

    A little bump on the road

  3. #3
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    Re: Hot-swap drives vs "not" how-swapple drives question

    Please wait 24 hours before bumping.

    I've not heard of a hot-swap or non-hot-swap drive. I would think IDE are not hot-swappable but I believe SATAII and beyond are. Not sure about USB 2 and 3 drives (which would only apply to external enclosures, not RAID setups, traditionally). I have certainly pulled the SATA plug on my eSATA connected hard drive dock when the computer hasn't recognised the drive in it, but eSATA is 'hot-swappable' in a sense.

    I think this would need to take into account the drive bays they were getting swapped in and out of. They would need to be compatible, hot-swappable drive bays.

    As far as I know, all SATA RAID setups are hot-swappable, if a drive goes down you don't want to shutdown the whole server to replace it (in some circumstances impossible or disasterous).

    I'm no guru on this stuff so if anyone can add more detail ...
    Last edited by Bucky Ball; July 3rd, 2013 at 08:49 AM.

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