Re: Data Corruption in case of abrupt failure

Does anyone know the equivalent to hdparm on FreeBSD?

> -----Original Message-----
> From: pgsql-general-owner@postgresql.org
> [mailto:pgsql-general-owner@postgresql.org]On Behalf Of scott.marlowe
> Sent: Wednesday, March 17, 2004 11:27 AM
> To: Tom Lane
> Cc: Keith C. Perry; Stephen Robert Norris; satish satish;
> pgsql-general@postgresql.org
> Subject: Re: [GENERAL] Data Corruption in case of abrupt failure
>
>
> On Tue, 16 Mar 2004, Tom Lane wrote:
>
> > "Keith C. Perry" <netadmin@vcsn.com> writes:
> > > I've read threads like this before and because I've never lost data on
> > > servers with IDE drives after doing some basic torture tests
> > > (e.g. pulling the plug in the middle of an update et al), I don't
> > > think I've paid close enough attention.
> >
> > On many IDE drives it is possible to turn write caching on and off with
> > some incantation involving "hdparm" (don't have the details but you can
> > probably find 'em in the list archives).  Possibly your system is
> > already configured safely.
>
> hdparm -W0 /dev/hda
>