Grafana metrics are not being displayed for last 3 months after restoring 3 months old grafana whisper data .
Please advise on how we can make grafana dashboard operational to display last 3 months data.
We have done following things
1 ) Installed grafana freshly
2) copied whisper data from Nov 13th 2017 ( file system level backup taken on 13th Nov 2017)
3) started grafana and not able to see metrics for nov 7th 2017 . please advise on this scenario , what needs to be done to fix this