Re: Data Corruption in case of abrupt failure

From: Shridhar Daithankar <shridhar(at)frodo(dot)hserus(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Data Corruption in case of abrupt failure
Date: 2004-03-16 07:46:56
Message-ID: 4056B0F0.8020404@frodo.hserus.net
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Keith C. Perry wrote:
> Is there some definite way someone can test their IDE drives so see whether or
> not they are "lying" about write completions? Perhaps someone somewhere has a
> list of drives that are known to exhibit this problem- a IDE drive blacklist of
> sorts?

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.)

Just a thought..

Shridhar

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