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By default perfdata is created in single rrd file which causes
failure of fetching DS in upgrade scenario. Because earlier
brick utilization had only one DS. Now with thin LV monitoring
included in brick utilization, It will be having two DS. The
graph templates wont be able to read them in single rrd file.
So in case of upgrade we run the script rrd_convert as a pre
step to migrate the old data to new rrd files.and this patch
also sets pnp4nagios rrd configuration to multiple rrd file for
each DS.
Change-Id: Iadb50250b2e93d73b61e25be90a0770dae0780f3
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1143995
Signed-off-by: ndarshan <dnarayan@redhat.com>
Reviewed-on: http://review.gluster.org/9188
Reviewed-by: Sahina Bose <sabose@redhat.com>
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