Re: DRAM accommodations

From	Don Y <blockedofcourse@foo.invalid>
Newsgroups	sci.electronics.design
Subject	Re: DRAM accommodations
Date	2024-09-16 19:31 -0700
Organization	A noiseless patient Spider
Message-ID	<vcapmb$3a145$2@dont-email.me> (permalink)
References	<vbdcrs$gp01$1@dont-email.me> <vbflbe$tlhp$7@dont-email.me> <vcaiop$makp$1@paganini.bofh.team> <vcao57$3a145$1@dont-email.me>

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On 9/16/2024 7:05 PM, Don Y wrote:
> OTOH, if the memory just sits there with the expectation that it
> will retain its intended contents without a chance to be corrected
> (by the ECC hardware), then bit-rot can continue increasing the
> possibility of a second bit failing while the first is still failed.

This is the fallacy of (disk) RAID; unless you do patrol reads
and actively scrub the media, you won't know about bit-rot
until it has had a chance to progress to a point where you
are vulnerable to it.

[That's why you scrub DRAM!]

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DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-05 15:54 -0700
  Re: DRAM accommodations john larkin <jl@650pot.com> - 2024-09-05 16:54 -0700
  Re: DRAM accommodations Bill Sloman <bill.sloman@ieee.org> - 2024-09-06 16:15 +1000
  Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-06 12:31 -0700
    Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-06 17:43 -0700
    Re: DRAM accommodations Bill Sloman <bill.sloman@ieee.org> - 2024-09-07 15:07 +1000
    Re: DRAM accommodations albert@spenarnc.xs4all.nl - 2024-09-07 11:56 +0200
      Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-07 04:04 -0700
        Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-07 04:06 -0700
          Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-07 04:08 -0700
        Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-07 05:01 -0700
        Re: DRAM accommodations john larkin <jlarkin_highland_tech> - 2024-09-07 07:35 -0700
    Re: DRAM accommodations Waldek Hebisch <antispam@fricas.org> - 2024-09-17 00:33 +0000
      Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-16 19:05 -0700
        Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-16 19:31 -0700
        Re: DRAM accommodations antispam@fricas.org - 2024-09-17 16:12 +0000
          Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-17 11:57 -0700
  Re: DRAM accommodations Chris Jones <lugnut808@spam.yahoo.com> - 2024-09-17 23:47 +1000
    Re: DRAM accommodations Bill Sloman <bill.sloman@ieee.org> - 2024-09-18 00:04 +1000
    Re: DRAM accommodations Don Y <blockedofcourse@foo.invalid> - 2024-09-17 07:57 -0700

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