I had exactly the same issue on a machine that was previously upgraded from BackupPC 3 to 4 and displaying double graphs on the dashboard.
With the hint from the mail below, I found the name of the bottom empty image I wanted to get rid of which was in my case poolUsage4.png. The correct image is poolUsage52.png on this instance. I then moved (to delete later) the files :
poolUsage4.png
pool.rrd
from /var/lib/backuppc/log (the dashboard is now without graph) and then updated the graph with
su - backuppc
/usr/share/backuppc/bin/BackupPC_nightly 0 255
/usr/share/backuppc/bin/BackupPC_rrdUpdate
This re-creates
poolUsage4.png
poolUsage52.png
poolUsage.rrd
With the current timestamp. The dashboard now show correctly.
Maybe it would have been enough to only remove the pool.rrd
since the poolUsage4.png got recreated. In any case, dashboard
clean again. Hope this can help someone.
Joris.
adam wrote: > Your description is way too long, but if you migrated the pool then new > BackupPC v4 uses a different way to generated a graphs. I remember it was > a bit fiddly to find out, on old V3 the the URL to image is like > > https://server/backuppc/index.cgi?image=4 > > on new V4: > https://server/backuppc/index.cgi?action=""> > > I can not find any note about how I made it to display new one, but on one > of backuppc I do have pictures from both - old and new pool. > > It is possible that I had to delete the poolusage rrd or something too.. > > Adam Prbyl
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