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    SubjectRE: Software raid0 will crash the file-system, when each disk is 5TB
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    You will definitely meet the same problem. As very large hardware disk
    becomes more and more popular, this will become a big issue for software
    raid.


    Jeff

    -----Original Message-----
    From: david@lang.hm [mailto:david@lang.hm]
    Sent: Thursday, 17 May 2007 6:04 a.m.
    To: Andreas Dilger
    Cc: Jeff Zheng; linux-kernel@vger.kernel.org;
    linux-fsdevel@vger.kernel.org
    Subject: Re: Software raid0 will crash the file-system, when each disk
    is 5TB


    my experiance is taht if you don't have CONFIG_LBD enabled then the
    kernel will report the larger disk as 2G and everything will work, you
    just won't get all the space.

    plus he seems to be crashing around 500G of data

    and finally (if I am reading the post correctly) if he configures the
    drives as 4x2.2TB=11TB instead of 2x5.5TB=11TB he doesn't have the same
    problem.

    I'm getting ready to setup a similar machine that will have 3x10TB (3 15
    disk arrays with 750G drives), but won't be ready to try this for a few
    more days.

    David Lang
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