Path: utzoo!attcan!uunet!husc6!mailrus!uflorida!beach.cis.ufl.edu!seeger
From: seeger@beach.cis.ufl.edu (Charles Seeger)
Newsgroups: comp.arch
Subject: Re: VAX Memory Test
Summary: Memory scrubbing
Message-ID: <16931@uflorida.cis.ufl.EDU>
Date: 6 Aug 88 19:40:18 GMT
References: <3300032@m.cs.uiuc.edu> <12849@mimsy.UUCP> <1743@swlabs.UUCP>
Sender: news@uflorida.cis.ufl.EDU
Reply-To: seeger@beach.cis.ufl.edu (Charles Seeger)
Organization: UF EE Department
Lines: 14

In article <1743@swlabs.UUCP> jack@swlabs.UUCP (Jack Bonn) writes:

>..., we had an ECC error "gleaner"
>which would read and write successive memory locations in order to correct
>soft single bit errors before ...
>into double bit errors and made them uncorrectable.
>Is there a more proper name for this? 
>-Jack

Generally, this is called "memory scrubbing."  I think it will become more
widespread as memory chips become denser and soft errors become more common.

Cheers
Chuck