Andrew - Supernews wrote:
>
> Whether the underlying device lies about the write completion is another
> matter. All current SCSI disks have WCE enabled by default, which means
> that they will lie about write completion if FUA was not set in the
> request, which FreeBSD never sets. (It's not poss
On 2006-09-23, Tom Lane <[EMAIL PROTECTED]> wrote:
> Andrew - Supernews <[EMAIL PROTECTED]> writes:
>> Whether the underlying device lies about the write completion is another
>> matter. All current SCSI disks have WCE enabled by default, which means
>> that they will lie about write completion if
Andrew - Supernews <[EMAIL PROTECTED]> writes:
> Whether the underlying device lies about the write completion is another
> matter. All current SCSI disks have WCE enabled by default, which means
> that they will lie about write completion if FUA was not set in the
> request, which FreeBSD never se
On 2006-09-22, Jim Nasby <[EMAIL PROTECTED]> wrote:
> I thought folks might be interested in this... note in particular the
> comment about linux.
I don't believe that either person in that discussion knows what they are
really talking about.
fsync() on FreeBSD does, as is required, force any m
On Sep 22, 2006, at 15:00 , [EMAIL PROTECTED] wrote:
On Fri, Sep 22, 2006 at 01:52:02PM -0400, Jim Nasby wrote:
I thought folks might be interested in this... note in particular the
comment about linux.
...
From: Greg 'groggy' Lehey <[EMAIL PROTECTED]>
Date: June 26, 2006 11:34:12 PM EDT
To:
[EMAIL PROTECTED] writes:
> I don't believe that fsync() on Linux syncs the whole file system
> either.
Indeed. I'd disregard this as coming from someone who knows much
less than he thinks.
(The most likely explanation for his results, I expect, is that FreeBSD
is trying to fsync and the disk dr
On Fri, Sep 22, 2006 at 01:52:02PM -0400, Jim Nasby wrote:
> I thought folks might be interested in this... note in particular the
> comment about linux.
...
> >From: Greg 'groggy' Lehey <[EMAIL PROTECTED]>
> >Date: June 26, 2006 11:34:12 PM EDT
> >To: leo huang <[EMAIL PROTECTED]>
> >Cc: freebsd
I thought folks might be interested in this... note in particular the
comment about linux.
Begin forwarded message:
From: Greg 'groggy' Lehey <[EMAIL PROTECTED]>
Date: June 26, 2006 11:34:12 PM EDT
To: leo huang <[EMAIL PROTECTED]>
Cc: freebsd-performance@freebsd.org
Subject: Re: Is the fsync
