while doing the Disaster Recovery System back up getting error
ERROR: SFTP transfer failed as backup size was not increasing for the past 15 minutes. Either there is not enough disk space or network transfer rate is too slow with the configured SFTP Server. Please either free some space on SFTP device or check network connectivity and then run a fresh backup, Backup Completed...
in this cucm cluster 5 servers are available ,all the first three where taken back up 100% once start the back up on the 3 rd one MOH,ANN,CEF,TCT,CDPAGT,REPORTER taken 100% but when it start the TFTP it is not showing the percentage but able to see that increasing the file size on the sftp server but not showing on web interface of DRS and after 15 min the back up canceled automatically . as we checked the there is no lan restriction between the sftp server and CUCM .
current version of the CUCM is 126.96.36.19900-9