Backup Job compression change problem
Running BE 2012 SP2 on Windows 2008 R2. Recently backup time and compression changed for one of my BE jobs that is a full backup of a VM guest server. Job had been consistently running for 7-7.25 hrs. Two weeks ago it jumped to almost 10 hrs and then this week it jumped to 12 hrs. Last 12 backups are as follows (time/byte count): oldest to newest - 6:53/553GB; 6:56/564GB; 6:48/545GB; 6:46/546GB; 8:32/547GM; 7:04/560GB; 7:00/560GB; 7:06/559GB; 7:10/560GB; 7:12/559GB; 9:52/562GB; 11:53/564GB. It is causing me use more tapes on my weekly backups. I suspect the compression ratio is distinct to the job, but I have another VM with similar sizes that does not run into the time/ compression issue. Any thoughts or input would be helpful.