Re: File Systems Compared

Bruno Wolff III <bruno@wolff.to>

From: Bruno Wolff III <bruno@wolff.to>
To: Ron Mayer <rm_pg@cheapcomplexdevices.com>, pgsql-performance@postgresql.org
Date: 2006-12-17T11:18:00Z
Lists: pgsql-performance
On Fri, Dec 15, 2006 at 10:44:39 -0600,
  Bruno Wolff III <bruno@wolff.to> wrote:
> 
> The other feature I would like is to be able to use write barriers with
> encrypted file systems. I haven't found anythign on whether or not there
> are near term plans by any one to support that.

I asked about this on the dm-crypt list and was told that write barriers
work pre 2.6.19. There was a change for 2.6.19 that might break things for
SMP systems. But that will probably get fixed eventually.