Skip site navigation (1) Skip section navigation (2)

Re: Block-level CRC checks

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Block-level CRC checks
Date: 2008-09-30 20:41:59
Message-ID: 200809302041.m8UKfxE24525@momjian.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Alvaro Herrera wrote:
> A customer of ours has been having trouble with corrupted data for some
> time.  Of course, we've almost always blamed hardware (and we've seen
> RAID controllers have their firmware upgraded, among other actions), but
> the useful thing to know is when corruption has happened, and where.
> 
> So we've been tasked with adding CRCs to data files.

Maybe a stupid question, but what I/O subsystems corrupt data and fail
to report it?

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

In response to

Responses

pgsql-hackers by date

Next:From: Jeffrey BakerDate: 2008-09-30 20:48:52
Subject: Re: Block-level CRC checks
Previous:From: Dimitri FontaineDate: 2008-09-30 19:39:10
Subject: Re: Common Table Expressions (WITH RECURSIVE) patch

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group