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Thread: persistance and live usb life expectancies

  1. #1
    Junior Member
    Join Date
    Sep 2012
    Posts
    17

    persistance and live usb life expectancies

    Hi i`m new here so don`t be angry if i posted this incorrectly. I would like to know a bit about the life expectencie of my usb while using knoppix on it. It would be used for learning primarily php, so files would be written to the usb while testing scripts. And i would like to know if the amount of space we choose for persistance could influence the life of the usb and what would be a good amount allocated for this (8 gig sctick). Also if it makes any differnce wheter using the cd version or the bigger dvd versione would affect the usb also.

  2. #2
    Senior Member registered user
    Join Date
    May 2006
    Location
    Columbia, Maryland USA
    Posts
    1,631
    Greetings, Lenny86, and welcome to the forum.

    I've used Knoppix LiveUSBs with persistence on a collection of low cost media
    including 2 Gb SD Cards; 4, 8 & 16 Gb SDHC Cards; and 8 Gb Cruzer USBs over
    the last several years. My experience, excluding re-mastering, is as follows:

    1. I've never seen a 'wear problem'.

    2. The 2 Gb size is fine for the LiveCD-size iso; 8 gb is an nice size for the
    LiveDVD-size iso.

    3. In my opinion paying for 'extra' performance beyond simply Class10 is not
    necessary in the LiveUSB case. I use name brands; SanDisk & Transcend, so far.

    4. I keep my persistence file at about 500Mb, unless I anticipate needing more.
    Your can always create a larger one if you need it.

    5. I find it convenient to collect my persistence file 'improvements' from
    time to time in 'compressed image updates'. Such updates are more compact, and,
    in my opinion, more safe against inadvertent changes. If there is a 'wear'
    problem, such updates would be a good idea since there would be fewer re-writes
    of material that doesn't change all that much from boot to boot.

  3. #3
    Junior Member
    Join Date
    Sep 2012
    Posts
    17
    thanks for the reply utu , aprecciate it

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