Getting error "Input/output error" while downloading cost management reports in disconnected environment

Issue

• While using the costmanagement operator in a disconnected mode on OpenShift 4.12 Cluster which is running on vSphere and while trying to upload data from disconnected instance, getting error as below

$ oc rsync costmanagement-downloader:/tmp/costmanagement-metrics-operator-reports/upload .
receiving incremental file list

sent 8 bytes  received 115 bytes  246.00 bytes/sec
total size is 0  speedup is 0.00
rsync: link_stat "/tmp/costmanagement-metrics-operator-reports/upload" failed: Input/output error (5)
command terminated with exit code 23
rsync error: some files/attrs were not transferred (see previous errors) (code 23) at main.c(1670) [Receiver=3.1.3]
rsync: [Receiver] write error: Broken pipe (32)
error: exit status 23