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    SubjectRe: Raid 10 Problems?

    >> > -b internal -- seems like a good idea to speed up
    >> > resynchronization.
    >> I'm trying to figure out what the default is.
    >> > -e 1.0 -- I wonder why the new superblock format
    >> > is
    >> > not default in mdadm (0.90 is still used).
    >> >
    >> Looks interesting for big arrays but not sure it's
    >> worth starting over for. Trying to get through a 2
    >> hour sync using 4 500gb sata 2 drives.
    > That's exactly why you want the bitmap. Fortunately you can add it after the
    > array is created. Now the bad news, you should read and understand the meaning
    > of the "far" layout. Part of the information is in the mdadm man page under -p,
    > some in the md man page. Use of "far" layout will effect the performance of the
    > array, the balance of read vs. write performance, and (maybe) the reliability.

    So to keep it simple, don't use far unless you have a reason to.

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      Last update: 2007-03-06 20:45    [W:0.021 / U:5.348 seconds]
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