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Re: SMART Uncorrectable_Error_Cnt rising - should I be worried?

From Michael Stone <mstone@debian.org>
Newsgroups linux.debian.user
Subject Re: SMART Uncorrectable_Error_Cnt rising - should I be worried?
Date 2024-01-12 00:00 +0100
Message-ID <HVcbL-2rR5-1@gated-at.bofh.it> (permalink)
References (3 earlier) <HUIQq-29vn-7@gated-at.bofh.it> <HUKfv-2av3-1@gated-at.bofh.it> <HUSPL-2gdQ-1@gated-at.bofh.it> <HV3UR-2n7J-1@gated-at.bofh.it> <HV9QB-2qBs-3@gated-at.bofh.it>
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On Thu, Jan 11, 2024 at 03:25:51PM -0500, Stefan Monnier wrote:
>> manufacturers in different memory banks, but since it's always
>> possible to power down, replace or just remove memory, and power
>> up again,
>
>Hmm... "always"?  What about long running computations like that
>simulation (or LLM training) launched a month ago and that's expected to
>finish in another month or so?

I'd expect something like that to have a checkpoint/restart capability 
if not starting over actually matters.

>Some mainframes have supported hot (un)plugging RAM modules as well

Yes, mainframes have been engineered that way for a long time. It makes 
them very expensive, and their market share has been declining for 
decades because most problems can be solved more cheaply in software 
(even while maintaining high availability). Hot *spare* memory is 
relatively common, as it solves most problems without the complexity of 
hot *swapping*, at the (generally low) cost of having to schedule 
downtime at some point in the future to actually replace the failed 
module.

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Thread

SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-01-09 14:20 +0100
  Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Dan Ritter <dsr@randomstring.org> - 2024-01-09 16:00 +0100
    Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-01-09 16:30 +0100
      Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-01-09 19:50 +0100
  Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Curt <curty@free.fr> - 2024-01-09 17:20 +0100
    Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-01-09 19:20 +0100
  Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-01-09 17:30 +0100
    Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-01-09 19:30 +0100
      Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-01-09 20:10 +0100
        Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-01-09 20:30 +0100
          Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-02-15 04:00 +0100
            Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? songbird <songbird@anthive.com> - 2024-02-15 07:20 +0100
              Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-02-15 16:50 +0100
            Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-02-15 09:20 +0100
              Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-02-15 16:50 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-02-15 18:40 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-02-16 11:00 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-02-16 20:00 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-02-16 21:00 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Gremlin <scott-andrews@columbus.rr.com> - 2024-02-16 22:50 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? "Roy J. Tellason, Sr." <roy@rtellason.com> - 2024-02-17 19:50 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? gene heskett <gheskett@shentel.net> - 2024-02-18 02:50 +0100
            Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? debian-user@howorth.org.uk - 2024-02-15 13:20 +0100
              Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-02-15 16:10 +0100
  Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-09 23:40 +0100
    Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-09 23:50 +0100
    Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-01-10 10:40 +0100
      Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-10 16:40 +0100
        Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Curt <curty@free.fr> - 2024-01-10 18:10 +0100
          Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Kjörling <2695bd53d63c@ewoof.net> - 2024-01-10 18:40 +0100
            Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-11 03:30 +0100
          Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Dan Ritter <dsr@randomstring.org> - 2024-01-10 18:40 +0100
          Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-11 03:20 +0100
            Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Dan Ritter <dsr@randomstring.org> - 2024-01-11 15:10 +0100
              Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? David Christensen <dpchrist@holgerdanske.com> - 2024-01-11 16:10 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Dan Ritter <dsr@randomstring.org> - 2024-01-11 19:30 +0100
              Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Stefan Monnier <monnier@iro.umontreal.ca> - 2024-01-11 21:30 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Michael Stone <mstone@debian.org> - 2024-01-12 00:00 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? Dan Ritter <dsr@randomstring.org> - 2024-01-12 12:20 +0100
                Re: SMART Uncorrectable_Error_Cnt rising - should I be worried? The Wanderer <wanderer@fastmail.fm> - 2024-02-15 16:50 +0100

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