anchor.diff:          gpadmin@gpmaster pxf cluster register
           ```
   
  -    2. Start PXF on each segment host as described in [Starting PXF](../../pxf/latest/cfginitstart_pxf.html#start_pxf).
  +    2. Start PXF on each segment host as described in [Starting PXF](../../pxf/latest/release/cfginitstart_pxf.html#start_pxf).
   
       3. Skip the following steps and exit this procedure.
   
  -1. Starting in Greenplum Database version 6.19.0, PXF is removed from the Greenplum Server distribution. You must download and install the standalone PXF `rpm` or `deb` package as described in [Installing PXF](../../pxf/latest/installing_pxf.html). **Install the same PXF 5.x version as *PXF.from*.**
  +1. Starting in Greenplum Database version 6.19.0, PXF is removed from the Greenplum Server distribution. You must download and install the standalone PXF `rpm` or `deb` package as described in [Installing PXF](../../pxf/latest/release/installing_pxf.html). **Install the same PXF 5.x version as *PXF.from*.**
   
   2. Initialize PXF on each segment host as described in [Initializing PXF](../../pxf/5-15/init_pxf.html). You may choose to use your existing `$PXF_CONF` for the initialization.
   
  
positive.code:     gpadmin@gpmaster$ $GPHOME/pxf/bin/pxf cluster start
      ```
  
  Your Greenplum Database cluster is now running the same version of PXF, but running it from the PXF installation directory (`/usr/local/pxf-gp<greenplum-major-version>`). Should you wish to upgrade PXF in the future, consult the [PXF upgrade documentation](../../pxf/latest/upgrade_landing.html).
  
  
negative.code: 
  If you are using PXF in your current Greenplum Database 6.x installation, you must perform some PXF upgrade actions when you upgrade to a newer version of Greenplum Database 6.x. This procedure uses *PXF.from* to refer to your currently-installed PXF version.
  
  **Note**: if you are planning to upgrade a PXF `rpm` or `deb` installation, refer to the [PXF upgrade documentation](../../pxf/latest/using/upgrade_landing.html).
  
  The PXF upgrade procedure has two parts. You perform one procedure before, and one procedure after, you upgrade to a new version of Greenplum Database:
  
  