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Thread: Is swap memory ever used?

  1. #1
    Join Date
    Aug 2002

    Question Is swap memory ever used?

    I routinely check the Tivo to see if it is ever using any swap, and it seems very odd to me that it has never reported any usage of swap.

    I'm about to write a script to check this every 30 minutes, but I have a sneaky suspicion that the results will be the same. (i.e. It never uses swap.)

    The following usage stats are very common:

    TiVo MemInfo:
            total:    used:    free:  shared: buffers:  cached:
    Mem:  28631040 27725824   905216 114466816  4579328  6111232
    Swap: 67104768        0 67104768
    MemTotal:     27960 kB
    MemFree:        884 kB
    MemShared:   111784 kB
    Buffers:       4472 kB
    Cached:        5968 kB
    SwapTotal:    65532 kB
    SwapFree:     65532 kB
    This unit is a SAT-60 w/ 2.5 xtreme running. I can't think of any Linux box that I've ran in the past that has *never* used swap (and I've built quite a few monster systems), so this seems all but normal to me.

  2. #2
    Join Date
    Feb 2002
    The only thing I know about the swap file is that it is used to repair the Tivo filesystem when you get the green screen of death. If your swap file is not large enough, you will never recover from the GSOD and you Tivo will hang on that screen indefinitely. 64MB is fine for DTivos with drive capacities under 140GB. If you have upgraded to >140GB you MUST increase your swap file size or you'll never recover from a GSOD.
    Please don't PM me or any other members looking for personal assistance. You'll do better by posting (after you've exhausted the search feature, of course) and taking advantage of the collective expertise of the membership instead of a single individual that may or may not be able to help you. Thank you and enjoy your stay at DDB!

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