| From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
|---|---|
| To: | Shane Ambler <pgsql(at)Sheeky(dot)Biz> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, Peter Kovacs <maxottovonstirlitz(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Carlos Moreno <moreno_pg(at)mochima(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Two hard drives --- what to do with them? |
| Date: | 2007-03-01 03:31:12 |
| Message-ID: | 20070301033112.GB14102@wolff.to |
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| Lists: | pgsql-performance |
On Tue, Feb 27, 2007 at 15:35:13 +1030,
Shane Ambler <pgsql(at)Sheeky(dot)Biz> wrote:
>
> From all that I have heard this is another advantage of SCSI disks -
> they honor these settings as you would expect - many IDE/SATA disks
> often say "sure I'll disable the cache" but continue to use it or don't
> retain the setting after restart.
It is easy enough to tests if your disk lie about disabling the cache.
I doubt that it is all that common for modern disks to do that.
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