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Re: OT: Current_Pending_Sector on /dev/sd?

From Pascal Hambourg <pascal@plouf.fr.eu.org>
Newsgroups linux.debian.user
Subject Re: OT: Current_Pending_Sector on /dev/sd?
Date 2019-02-13 23:00 +0100
Message-ID <xraJs-6xx-7@gated-at.bofh.it> (permalink)
References <xr2LU-1wL-17@gated-at.bofh.it> <xr3oB-1Zl-3@gated-at.bofh.it>
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Le 13/02/2019 à 14:59, Dan Ritter a écrit :
> basti wrote:
>> hello,
>> I have a raid6 with 4 disks. 2 of them show Current_Pending_Sector 1.
(...)
> A small number in CPS is fine.

No it's not fine. It means that the the host requested to read 
unreadable data, so useful data has been lost.

"Offline uncorrectable" also means that some data are unreadable, but 
the host did not request to read them yet so no useful data may have 
been lost.

> If it starts going up, or the
> reallocated sector count starts increasing

Reallocated sectors are fine. It means that data could be moved to spare 
sectors. No data have been lost.

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Thread

OT: Current_Pending_Sector on /dev/sd? basti <mailinglist@unix-solution.de> - 2019-02-13 14:30 +0100
  Re: OT: Current_Pending_Sector on /dev/sd? Dan Ritter <dsr@randomstring.org> - 2019-02-13 15:10 +0100
    Re: OT: Current_Pending_Sector on /dev/sd? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-02-13 23:00 +0100
  Re: OT: Current_Pending_Sector on /dev/sd? "Alexander V. Makartsev" <avbetev@gmail.com> - 2019-02-13 15:10 +0100
    Re: OT: Current_Pending_Sector on /dev/sd? Dan Ritter <dsr@randomstring.org> - 2019-02-13 15:30 +0100
    Re: OT: Current_Pending_Sector on /dev/sd? Pascal Hambourg <pascal@plouf.fr.eu.org> - 2019-02-13 23:00 +0100
  Re: OT: Current_Pending_Sector on /dev/sd? Claudio Kuenzler <ck@claudiokuenzler.com> - 2019-02-13 20:20 +0100
    Re: OT: Current_Pending_Sector on /dev/sd? basti <mailinglist@unix-solution.de> - 2019-02-14 12:30 +0100
      Re: OT: Current_Pending_Sector on /dev/sd? Claudio Kuenzler <ck@claudiokuenzler.com> - 2019-02-14 13:00 +0100
        Re: OT: Current_Pending_Sector on /dev/sd? Greg Wooledge <wooledg@eeg.ccf.org> - 2019-02-14 14:50 +0100

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