Linux PBX repair

May 4, 2018

   - Responded to a complaint that phones were down.  Arrived

     onsite and pinged the in-house PBX at with
     no response. Investigated console and found power on but
     screen black. Upon reboot, encountered "kernel panic" error

     preventing Linux startup. The controller bios showed the

     mirrored drive status as "degraded". Efforts to boot the

     remaining drive failed (due to universally panned capability

     of this particular Dell "RAID" controller).
   - Booted the PBX box with a bootable Linux flash drive and
     successfully saved PBX files necessary for an emergency 


   - Installed new replacement drive then installed Linux Centos.

   - Configured the network adapter, installed SSH. Established

     access to the PBX via Windows computer running Putty.

   - Performed restore operation then successfully tested phones

     for proper operation.

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