Re: Data Corruption in case of abrupt failure

From: Andrew Sullivan <ajs(at)crankycanuck(dot)ca>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Data Corruption in case of abrupt failure
Date: 2004-03-17 21:35:49
Message-ID: 20040317213549.GA8158@phlogiston.dyndns.org
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On Tue, Mar 16, 2004 at 01:16:56PM +0530, Shridhar Daithankar wrote:

> I believe using hdparm on linux, one can see whether or not write caching
> is enabled and also set the caching.
>
> I don't think any IDE disk would lie about write caching status. (If one
> does then it is really hard to find out unless brute force is used.)

I have in fact seen IDE drives lie about this, although not recently.
You can be sure it's lying if, even when you turn caching off,
performance never changes.

A

--
Andrew Sullivan | ajs(at)crankycanuck(dot)ca

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