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    SubjectRe: RAID and 2.4.12 ?


    On Fri, 19 Oct 2001, Mario Mikocevic wrote:

    > Hi,
    >
    > are there any known problems with software raid and kernel 2.4.12 ?
    >
    > I have several production servers (Dell poweredge 1550) with active
    > kernels from range of 2.4.8/2.4.9/2.4.12. All of them are quite loaded
    > with web/ftp/game/realmedia servers.
    >
    > Only combination of RAID and 2.4.12 gives me trouble, complete hang,
    > no output, no ping. Unfortunately I can't reproduce it by will, sometimes
    > it hangs just after few mins of uptime, sometimes after few hours.
    >
    > I _do_ have few servers running 2.4.12 quite realiably (not a single reboot yet)
    > but without RAID on them (heavily loaded list server and very heavily loaded
    > realmedia server).
    >
    > Combination of 2.4.9 and RAID works without any problem so far.

    I only have anecdotal evidence, but 2.4.12 worked fine for my on a single
    SCSI disk but as soon as I mounted my root device on RAID 0, the kernel
    would oops (after ~30 seconds up uptime) and all processes which write to
    the disk would be unkillable.

    I switched to 2.4.12-ac3 with no problems (yet).

    -jwb

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