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    SubjectRe: /dev/md0: Device or resource busy
    On Sun, 17 Mar 2002, Alan Cox wrote:

    > > i just tried a "linux init=/bin/sh" boot, and it's still saying Device or
    > > resource busy:
    > >
    > > init-2.05a# raidstop /dev/md0
    > > md: md0 still in use.
    > > /dev/md0: Device or resource busy
    > > init-2.05a# mount /proc
    >
    > Duplicated. Seems the md code deos indeed have a bug there

    ACK! sorry. it's not the kernel code, it's raidstop. it seems to open
    /dev/md0 an extra time for what reason i'm not sure. it even does it when
    you're referring to other md devices. for example:

    # strace raidstop /dev/md3
    ...
    open("/dev/md0", O_RDONLY) = 4
    ioctl(4, 0x800c0910, 0x804fd1c) = 0
    open("/dev/md3", O_RDWR) = 5
    fstat64(5, {st_mode=S_IFBLK|0660, st_rdev=makedev(9, 3), ...}) = 0
    ioctl(5, 0x932, 0) = 0
    ...

    mdctl doesn't have this problem.

    fwiw dpkg tells me i've got raidtools 0.90.20010914-9

    -dean

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