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VMWare disk consolidation needed
SUMMARY Snapshot appear orphaned on the datastore, consolidation may be required. VMDK are left on the Unitrends virtual appliance. ISSUE VMWare disk consolidation needed RESOLUTION When you have a "VMware disk consolidation needed", you need to check the following:* On the Unitrends Backup Guest VM, edit the VM and look…
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CBT warnings for Hyper-V backups run with Unitrends agent version 8.1.0-3 and higher
SUMMARY In Unitrends releases 8.1 and higher, the Unitrends Windows agent leverages a Hyper-V CBT driver that greatly increases backup performance for virtual machines residing on hosts running Hyper-V versions 2012 and 2012 R2. If the driver is not installed on the host, backups complete with warnings. This article…
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System State backup failing, backup has warnings about Space
SUMMARY System State backup failing, backup has warnings ISSUE System State backup failing; Windows 7 backup has warnings about skipped files and System State backup failed and/or VSS_E_INSUFFICIENT_STORAGE or VSS_E_PROVIDER_VETO. . RESOLUTION Solution 1 - command line: Ensuring the Shadow Storage has been set up correctly…
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How to Configure Backup Retention Settings
SUMMARY Provides links to Recovery-Series and UEB Administrator's Guide procedures for configuring retention settings. ISSUE The retention control feature allows you to decide how long backups are retained on the system before being purged. Controlling the order in which backups are removed allows for more effective…
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How to disable hot-add as a transport method for vprotect
SUMMARY If hotaddmgr is core dumping, or if backup performance of vmware is poor, it may be necessary to disable hot-add. ISSUE NOTE: This is overwritten via software update. After each update, these steps must be performed if advanced trasnport methods such as hotadd or san-direct are not to be used. Certain versions of…
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Troubleshooting XenServer Snapshot Issues (SR_BACKEND_FAILURE_44 and _109)
SUMMARY Troubleshooting XenServer Snapshot Issues (SR_BACKEND_FAILURE_44 and _109) ISSUE Customers Running Citrix XenServer environments may encounter errors during the backup process specifically related to the snapshot process. RESOLUTION SR_BACKEND_FAILURE_44 PHD Virtual Backup uses XenServer's snapshotting feature…
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Recommended Anti-Virus exclusions for Unitrends backup
ISSUE Depending on the configuration, anti-virus applications can be quite debilitating to system and backup performance while Unitrends is performing a backup. In certain cases, backup operations may timeout causing various errors reported by the client and the appliance if on-access/real-time/network scanning is too…
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Troubleshooting Xenserver using the RecoveryOS Command Line Interface (using an SSH Terminal Program)
SUMMARY How to get accurate information from Xenserver from within the RecoveryOS SSH Command Line Interface and determine when that communication is not occuring. ISSUE How to get accurate information from Xenserver from within the RecoveryOS SSH Command Line Interface and determine when that communication is not…
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Hyper-V wait for merge
SUMMARY After backing up a Hyper-V VM, unexpected avhd(x) files are listed as backed up files ISSUE If the VM has user created checkpoints, then seeing avhd(x) files (other than AutoRecovery.axhd(x)) is normal. However, if the customer has not created checkpoints, then the extra avhd(x) files are most likely in the backup…
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Could not connect to BP Agent on client X
SUMMARY How to resolve a backup failing with message "Could not connect to BP Agent on client X" ISSUE Purpose If a backup fails with the following message: could not connect to BP Agent on client X This indicates that the DPU was unable to connect to the agent service on the client machine at the time that the backup…