[Fedora-livecd-list] Preventing access to /mnt/live (inter alia)

Marc Herbert Marc.Herbert at gmail.com
Mon Mar 8 10:00:13 UTC 2010


James Heather a écrit :
> 
> (3) The write cache is good, and makes the whole system feel very
> responsive, but if a machine crashes or there's a power cut, I'm in
> danger of them losing lots of work. Is there a way of decreasing the
> maximum "dirty" time for writes to the USB stick? I have found lots of
> info on doing this for vm paging, but not for the filesystem itself. All
> I've found is how to turn off the cache altogether (mount with 'sync'),
> but that's not an option because everything will run much too slowly.
> I'd far rather set an option to ensure that everything gets written at
> most a minute after entering the cache.

Have you already read about "ext4 and data loss"?
  http://lwn.net/Articles/322823/





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