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Posted Jan 29, 2010 18:33 UTC (Fri) by dlang (✭ supporter ✭, #313)
you can do this today with linux, just mount all your filesystems syncronously and you will have a system that you can shutdown at any time that it's not writing to your disk.
you will also have a system that you will find unusably slow, you don't realize how much you gain from not waiting for writes to hit disk before continuing.
Posted Feb 1, 2010 13:29 UTC (Mon) by Cato (subscriber, #7643)
See http://lwn.net/Articles/350072/ for the details - however, I now think that the only problem is not having synchronous writes, and that LVM is largely OK. This makes sense given that LVM is used a lot in enterprise Linux servers.
Posted Jan 30, 2010 16:57 UTC (Sat) by filipjoelsson (subscriber, #2622)
Posted Jan 30, 2010 18:03 UTC (Sat) by SimonKagstrom (subscriber, #49801)
Anyway, you can use halt -f to achieve the same thing you a Linux
computer. You can probably also bind it to the ACPI event when the power
button is pressed to get the desired behavior. The less brave among us would
do a sync first :-)
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