Veeam B&R - Excessive workload on Storage during backup

Veeam backup can create problems to your storage that is exposed as iscsi/shared folder due to two principal reasons:

1. Concurrent snapshots/Backups that is managed in this section:





2. Excessive storage stress that can be limited here:







3. About hyperV you can revies this screenshot and relative register key:

2 registry values under HKLMSOFTWAREVeeamVeeam Backup and Replication key:

MaxVmCountOnHvSoftSnapshot (DWORD)
MaxVmCountOnHvHardSnapshot (DWORD) registry values



about theory you can review these most exhaustive articles:

Introducing Backup I/O Control in Veeam Backup & Replication

https://www.veeam.com/blog/introducing-backup-io-control-in-veeam-backup-replication-v8.html

VEEAM Invests in Faster & More Efficient Data Protection With Backup & Replication 8

https://blog.workinghardinit.work/tag/backup-io-control/

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