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Thread: which filesystem? rsync to external hard drive

  1. #1
    Join Date
    Mar 2009
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    123

    which filesystem? rsync to external hard drive

    Hi, I was just wondering, I have 3 ext3 computers that need to be backed up with rsync to an external hard drive. Should I format my external to ext2, 3, or 4? any recommendations? Thanks

  2. #2
    Join Date
    Jan 2008
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    4,757

    Re: which filesystem? rsync to external hard drive

    Any filesystem will do, really - it won't make much difference.
    In a Nutshell:
    ext2 = 2nd Extended Filesystem
    ext3 = ext2 + Journal
    ext4 = ext3 + Some extra features and somewhat geared more towards performance.

    I've never really used ext2 in production, except for /boot partitions where I know data is written and generally doesn't change much after that.
    With ext3, I've only ever had a filesystem crash once after 2 years. Took some fsck'ing, but I don't think (as far as I am aware) I lost any data from that.
    With ext4, haven't used it long enough to experience anything majorly bad with it.

    All you best be concerned about is the health of the physical disks themselves.

    Regards
    Iain
    Last edited by ibuclaw; December 6th, 2009 at 01:57 AM.

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