Time Machine problems with Mac names and NAS storage

Discussion in 'macOS' started by ewi, Dec 22, 2010.

  1. ewi macrumors newbie

    Mar 10, 2010
    :confused:I just bought a new iMac, and want to buy a NAS backup solution (connect my iMac and a MacBook to a Giga subnet) (thinking about the Lacie 5big Network 2).
    However I was told that backing up to a NAS will cause issues with naming (as Max OS allows names not allowed by windows). Who can shed some light on this?

  2. Mal macrumors 603


    Jan 6, 2002
    How could that cause an issue? You're talking about backing up to a drive that's only going to be used for Macs, right? It does have to be formatted as HFS+ if you're going to use Time Machine, and only a few NAS systems are officially supported, but it will certainly work.

  3. Hal Itosis, Dec 23, 2010
    Last edited: Dec 23, 2010

    Hal Itosis macrumors 6502a

    Hal Itosis

    Feb 20, 2010
    If the filesystem on the NAS isn't HFS+, then Time Machine will create a "Sparse Disk Image Bundle" (.sparsebundle) which is HFS+... and backup to that mounted volume instead. That's how Time Capsule itself works.

    Correction: i believe that Time Machine actually creates a "HFSXJ" filesystem, aka Mac OS Extended (Case-sensitive, Journaled)

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