That seems perfect. Many thanks! Am Fr., 4. Juni 2021 um 15:10 Uhr schrieb Dan Ritter <d...@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- >
