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  1. Observium
  2. OBS-3872

specify/override disk selection for health/disk io data selection

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Details

    • Improvement
    • Resolution: Unresolved
    • Minor
    • None
    • Professional Edition
    • Unix Agent
    • None

    Description

       

      when monitoring large unix (debian/ubuntu) systems with numerous drives (in the hundreds) which also have multi-pathing the drive i/o display becomes useless in operation as there are numerous duplicate entries.  

      for example you have a disk (WWID 0x5000c500747f043a) this drive could show up as a block device numerous times.   Simple case if you have a dual-path to the drive it could be /dev/sda & /dev/sdb, plus would show up as a device mapper /dev/dm0 as an example.   So with 1 disk you have 3 copies of it.  

      If you are able to override this default look /dev/ for block devices to either select the /dev/disk/by-* (by-id; by-path; by-uuid; etc)  OR (what would work better in our environment which has a lot of multi-pathing, to use /dev/mapper devices which are identified by local and static designations  (i.e.  /dev/mapper/c0t0d01  which wouild always map to the same disk by the local multipath.conf configuration file.   

      What I am thinking is to use some type of local unix-agent override similar to how devices are specified in ioping.cnf or similar).

       

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            sid3windr Tom Laermans
            u7K5VtKqFn Steve Costaras
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              Created:
              Updated: