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Re: SMART Uncorrectable_Error_Cnt rising - should I be worried?

From Dan Ritter <dsr@randomstring.org>
Newsgroups linux.debian.user
Subject Re: SMART Uncorrectable_Error_Cnt rising - should I be worried?
Date 2024-01-11 19:30 +0100
Message-ID <HV7Yt-2ptL-11@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> <HV4QW-2nGk-3@gated-at.bofh.it>
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David Christensen wrote: 
> On 1/11/24 05:50, Dan Ritter wrote:
> > David Christensen wrote:
> STFW the Dell PowerEdge 6850 (circa 2004) featured "hot plug" disk drives,
> expansion slots, memory risers, power supplies, and system cooling fans:
> 
> https://downloads.dell.com/manuals/all-products/esuprt_ser_stor_net/esuprt_poweredge/poweredge-6850_user%27s%20guide4_en-us.pdf
> 
> 
> STFW dell.com today, I see servers with:
> 
> * hot plug hard drives
> * hot spare hard drives
> * dual hot plug redundant power supplies
> * dual hot plug fully redundant power supplies
> * dual hot plug fault tolerant power supplies
> * dual hot plug fault tolerant redundant power supplies.

Hot plug disks are easy -- SATA, SAS and NVMe U.2 interfaces are all
specified so that the chassis manufacturer can arrange for data
to be disconnected before power. This is nearly but not quite ubiquitous
in rackmountable servers; somewhat rare in desktops.

Hot plugged fans are extremely easy -- there's no data being
stored and no state of any consequence. Arranging an easy
disconnect mechanism is the maximum difficulty.

Hot spare is more a property of the RAID management software.
mdadm, btrfs and zfs all support marking a disk as 'spare' and
not using it until another disk is marked as failing.

Interestingly: all PCIe cards are nominally hot-pluggable.

-dsr-

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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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