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Re: Initdb --data-checksums by default - Mailing list pgsql-general

From John R Pierce
Subject Re: Initdb --data-checksums by default
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Msg-id 571733FE.9020000@hogranch.com
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In response to Initdb --data-checksums by default  (Alex Ignatov <a.ignatov@postgrespro.ru>)
Responses Re: Initdb --data-checksums by default
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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^-15   on 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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