If the upgrade fails in STEP 3 with the following error:
. . .
Use of uninitialized value in addition (+) at /root/svn/mercury/lib/perl/Mercury/MigrateRRD/CheckAWRRDMigrationSpace.pm line 53.
The following RRD files have values which are too large:
make: *** [check_awrrd_migration_values] Error 1
Upgrade aborted. Please contact AirWave Support.
1-866-WiFi-AMP or firstname.lastname@example.org
Run the following command on the AMP command line:
# perl -MMercury::MigrateRRD::PurgeSpikes -e "Mercury::MigrateRRD::PurgeSpikes->go"
After this command completes, run the upgrade command again.
# start_amp_upgrade -v 7.0.1
If the upgrade still does not complete successfully, please contact Customer Support for further assistance.