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    SubjectRe: regression post 2.6.30: device mapper fails on some logical volumes
    Date
    Am Mittwoch 15 Juli 2009 23:40:52 schrieb Mike Snitzer:

    >
    > > [ 6.048168] device-mapper: table: 253:59: target device dasde1 is
    > > misaligned
    >
    > Christian,
    >
    > Which kernel are you using? I believe these warnings have been fixed
    > with this commit (which should be part of 2.6.31-rc2):
    > ea9df47cc92573b159ef3b4fda516c32cba9c4fd
    >
    > Mike

    Mike,

    I see the problem with 2.6.31-rc3. Given the content of patch ea9df4...it might
    be of interest that my dasd devices have a hard sector size of 4k:

    $ sudo blockdev --getss /dev/dasdf1
    4096
    $ sudo blockdev --getbsz /dev/dasdf1
    4096

    Since I always get confused by the internal 512 bytes vs. hard sector size vs.
    block size vs. file system block size I dont know if that is important.

    Christian


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