Re: Data Corruption in case of abrupt failure - Mailing list pgsql-general

From Andrew Sullivan
Subject Re: Data Corruption in case of abrupt failure
Date
Msg-id 20040317213549.GA8158@phlogiston.dyndns.org
Whole thread Raw
In response to Re: Data Corruption in case of abrupt failure  (Shridhar Daithankar <shridhar@frodo.hserus.net>)
List pgsql-general
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@crankycanuck.ca

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