Re: Initdb --data-checksums by default

From: John R Pierce <pierce(at)hogranch(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Initdb --data-checksums by default
Date: 2016-04-20 07:47:10
Message-ID: 571733FE.9020000@hogranch.com
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On 4/20/2016 12:43 AM, Alex Ignatov wrote:
> Today in Big Data epoch silent data corruption becoming more and more
> issue to afraid of. With uncorrectable read error rate ~ 10^-15on
> multiterabyte disk bit rot is the real issue.

are not those uncorrectable errors detected by the disk hardware ? thats
not 'silent'.

whats the rate of uncorrectable AND undetected read errors ?

--
john r pierce, recycling bits in santa cruz

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