Date: Tue, 3 May 2005 13:39:23 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "Robert Watson" <rwatson@FreeBSD.org>, "Danny Braniss" <danny@cs.huji.ac.il> Cc: Kris Kennaway <kris@obsecurity.org> Subject: Re: 5.4-STABLE corrupting fs on shutdown -p now? Message-ID: <00ba01c54fdd$24ad96d0$b3db87d4@multiplay.co.uk> References: <E1DSvkg-000Fvt-Kn@cs1.cs.huji.ac.il>
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So sounds like this does need a bit of looking at. The key thing is
both reboot and halt always leave the machine FS in a good state
where as shutdown -p doesnt so is there something that -p skips?
Or is it simply the fact that it powers down?
Steve
----- Original Message -----
From: "Danny Braniss" <danny@cs.huji.ac.il>
>> >> 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.
>> >
>> > Why would you use shutdown -p on a remote machine anyway. I could see
>> > possibly a shutdown -r but -p come on.
>>
>> I use it regularly -- for remote boxes that are in someone else's
>> facility, I'd much rather I was the one who powered them off and told them
>> when they were ready to unplug than having them do it. Life is a bit
>> better with the advent of soft power via case power buttons, but still...
>>
>> Robert N M Watson
>
> I _always_ use it, specialy when the box in question is headless, or via KVM,
> or im too lazy to get up and switch the power off :-)
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