ide/ata write caching safe now?

[Bruno Wolff III]

On Thu, Dec 07, 2006 at 15:05:47 +0800,
  Hadders <fedora at workingwithit.com> wrote:
> 
> I'd don't know enough about the Software RAID interaction with the 
> drives write recovery, but I'd guess that it would probably work. Last 
> time I used software RAID (about 3 years back, with Seagate disks) I 
> didn't need to disable the write cache.  I was using a combination of 
> RAID 1 and RAID 5 in the config and everything seemed to work. However, 
> this is by no means a guarantee your config won't spit the dummy. I'd 
> advise you do a backup to some other media before you try.

That isn't really the issue I was worried about. I wanted to make sure
that an sync wouldn't return until after the drives' caches were flushed
so that the data would survive a power outage.