Need to resolve issue of Iperius Backup doubling in duration after Server 2019 upgrade

BrianS

12/31/22, 8:16 PM

we recently upgraded a server (Dell PowerEdge R720xd) from Windows Server 2008 R2 to Windows Server 2019 (upgrading to Windows Server 2013 briefly in between), all Windows updates have been installed. The Iperius Backup software (v7.4.1) we use to write 5.7TB of data to LTO tape, which had required 23 hours to complete, doubled to require 54 hours to complete. I have updated the Quantum Ultrium-HH8 drivers, but this had no effect on backup time. I have also uninstalled and reinstalled the Iperius software and created a new job identical to the one used previously.

I started a job at 4pm on Monday, and upon my return at 8am Tuesday (16 hours later), the job was only at 4% complete with just 251GB of the 5.7TB "Analyzed", not even close to be ready to begin writing to tape.

Imperium support suggests its an OS problem, but confirms the Iperius Backup software (v7.4.1) is compatible with Windows Server 2019.

I am hoping for some suggestions as to how I can resolve the issue to return the backup time from 54 hours back to the 23 hour duration when the server was running Windows Server 2008 R2.

System Information: Dell PowerEdge R720xd with Intel(R) Xeon(R) CPU E5-2603 0 @ 1.80GHz 8192MB RAM PERC H710 Mini SCSI w/ 12 3.7GB SAS drives in RAID 5 Dell 6Gbps SAS HBA Quantum Ultrium-HH8 LTO Tape Drive

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