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From: Evgeny Shishkin <itparanoia@gmail.com>
To: David Boreham <david_list@boreham.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Do I have a hardware or a software problem?
Date: Wed, 12 Dec 2012 06:20:29 +0400
Message-ID: <0D2E3F80-D94B-43DA-88E3-DA036FEA2241@gmail.com> (raw)
In-Reply-To: <50C7E8C5.9050300@boreham.org>
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On Dec 12, 2012, at 6:15 AM, David Boreham <david_list@boreham.org> wrote:

> On 12/11/2012 7:13 PM, Evgeny Shishkin wrote:
>> Yes, i am aware of this issue. Never experienced this neither on intel 520, no ocz vertex 3.
>> Have you heard of them on this list?
> People have done plug-pull tests and reported the results on the list (sometime in the past couple of years).
> 
> But you don't need to do the test to know these drives are not safe. They're unsafe by design.
> 

Oh, there is no 100% safe system. The only way to be sure is to read data back.
Everything about system design is tradeoff between cost and risks.

> 
> 
> 
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