Re: Add /dev/disk/by-id path to mdadm error emails?

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From	Reiner Buehl <reiner.buehl@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Add /dev/disk/by-id path to mdadm error emails?
Date	Fri, 04 Jun 2021 22:40:01 +0200
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That seems perfect. Many thanks!

Am Fr., 4. Juni 2021 um 15:10 Uhr schrieb Dan Ritter <dsr@randomstring.org>:

> Reiner Buehl wrote:
> > Hello all,
> >
> > I have setup mdadm to email me when disks in one of my RAID arrays fail.
> > Unfortunately the email messages only contain the device as /dev/sdb1
> which
> > does not give any hint which of the four identical disks in the array is
> > the affected one.
> > As /dev/sdb1 is only a symbolic link to a device in /dev/disk/by-id and
> > that device contains the serial number of the disk, I was wondering if
> > there is a way to add the /dev/disk/by-id information - or just a ls -l
> > /dev/disk/by-id - to that email that would allow me to see which disk
> > really is the failed one?
>
>
>  --prefer=
>               When mdadm needs to print the name for a device it
>               normally finds the name in /dev which refers to the device
>               and is shortest.  When a path component is given with
>               --prefer mdadm will prefer a longer name if it contains
>               that component.  For example --prefer=by-uuid will
>               prefer a name in a subdirectory of /dev called by-uuid.
>               This functionality is currently only provided by --detail
>               and --monitor.
>
> If you have a cron job to run mdadm -F, this can be added. If
> you have a system service to run mdadm -F in daemon mode, that
> can be edited to include --prefer=by-id
>
> -dsr-
>

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Thread

Add /dev/disk/by-id path to mdadm error emails? Reiner Buehl <reiner.buehl@gmail.com> - 2021-06-04 14:50 +0200
  Re: Add /dev/disk/by-id path to mdadm error emails? Dan Ritter <dsr@randomstring.org> - 2021-06-04 15:20 +0200
    Re: Add /dev/disk/by-id path to mdadm error emails? Reiner Buehl <reiner.buehl@gmail.com> - 2021-06-04 22:40 +0200

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