Last week, I encountered a situation where one of the VMs in a Veeam Backup & Replication job failed time after time. The Job summary showed this message:
The essential part of this Error message:
Some time ago, I was asked to investigate a vSphere cluster at a customer location. It is a small sized cluster, consisting of 3 ESX hosts, approximately 20 VM’s and VMware Data Recovery as backup- and restore solution. The backup target is a dedicated NAS with 2.5 TB capacity. During the implementation, Data Recovery version 1.1 was installed. The VMware Data Recovery was configured to run several backup jobs; a daily job and a few weekly jobs for static or less important VM’s. After several months backups failed, snapshots were not removed and locking problems were reported.
First action was; updating the ESX hosts and replacing the VMware Data Recovery with the 1.2 version. During the configuration of the backup target, I noticed a warning telling me that CIFS network shares larger than 500 GB are not a good idea…
Last week, I encountered this situation: