Re: 5.4-STABLE corrupting fs on shutdown -p now?

From: c0ldbyte (c0ldbyte_at_myrealbox.com)
Date: 05/02/05

  • Next message: gerarra_at_tin.it: "RE: A question about /sys/kern/link_elf.c" 
    Date: Mon, 2 May 2005 12:31:28 +0000 (UTC)
To: Steven Hartland <killing@multiplay.co.uk>

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    On Mon, 2 May 2005, Steven Hartland wrote:

    > Kris Kennaway wrote::
    >>> Surely thats what the buffer sync is doing. Watching the console both
    >>> these actions appear to be doing identical things but the end results
    >>> are quite different :( buffers are always under 5 usually 2 and its not
    >>> like there's been a great deal of activity. The last test I did was just a
    >>> boot, login, shutdown ( result was / not clean but all the others ok ).
    >>
    >> Modern IDE drives sometimes lie about having finished writing out the
    >> data, when in fact it's still only in cache. You should be able to
    >> disable this behaviour to test (try the BIOS).
    >
    > I have a "HDD Post Write Buffer" in the BIOS according to the MB manual
    > although the disks aren't connected to the MB controllers they are on RAID 5
    > set off a PCI-X card. Will give it a go tomorrow ( drag the monitor
    > back to the rack ). Will this have any performance penalties? I could
    > just avoid using shutdown -p but it seems a bit dodgy what its doing.
    > If this machine where miles away without remote console it would have
    > caused major amounts of pain.
    >
    > Steve
    >

    Why would you use shutdown -p on a remote machine anyway. I could see
    possibly a shutdown -r but -p come on.

    - --

    ( When in doubt, use brute force. -- Ken Thompson 1998 )
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