5.4-STABLE corrupting fs on shutdown -p now?

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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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