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    SubjectRe: block layer / FS question: x86_32bit with LBD, 20 TB RAID volume => funny issues
    > On 7 Mar 2008 at 10:30, Andi Kleen wrote:
    > [...snip...]
    > > BTW your problems mostly sound like driver issues. Some drivers
    > > (and some controller firmwares) have problems with large block numbers
    > >
    > thanks for that hint, I'll investigate that too.
    >
    > The HBA is a Qlogic QLA-2460. Based on some past experience with
    > other brands of FC HBA's, I tend to swear on Qlogic as the reference
    > implementation of FC hardware.
    >
    And indeed it was the firmware.
    ftp://ftp.qlogic.com/outgoing/linux/firmware/

    Until now, I've been using version v4.00.27, which is the last
    numbered version in that FTP directory.

    Upon closer inspection, I picked the file called
    ql2400_fw.bin_mid
    with a timestamp from 12th February 2008.
    This one turns out to be v4.03.01 and it SOLVES THE PROBLEM :-)

    It seems to work with qla2xxx v8.01.07-k7 (2.6.22.6) and
    v8.02.00-k5 (2.6.24.2).

    My testbed server has passed some 5 loops of dd over the weekend.

    Thanks for your help :-)

    I'm installing a 64bit Fedora to give XFS another try...

    Frank Rysanek



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