Quest® NetVault® Backup Plug-in for VMware version 2.6 User’s Guide Version: Product Number: VMW-101-2.6-EN-01 VMW-101-2.
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Table of Contents Chapter 1: Introducing Quest NetVault Backup Plug-in for VMware • • • • • • Quest NetVault Backup Plug-in for VMware – At a Glance ........................................... 7 Key Benefits ...................................................................................................................... 8 Feature Summary ............................................................................................................. 9 Target Audience ....................................
Table of Contents Chapter 5: Performing Image-Level Backups 31 • Performing Image-Level Backups .................................................................................31 - Selecting Data for a Backup .......................................................................................................... 31 - Setting Backup Options ................................................................................................................. 36 - Finalizing and Submitting a Job ..........
Quest NetVault Backup Plug-in for VMware User’s Guide Chapter 8: Restoring File-Level Backups 5 69 • Available Restore Methods for File-Level Backups ..................................................... 69 • Restoring File-Level Backups Using Shared Network Drives .................................... 70 - Setting Up a Network Share .......................................................................................................... 70 Selecting Data for a Restore ..................................
Table of Contents
Quest NetVault Backup Plug-in for VMware User’s Guide 7 Chapter 1: INTRODUCING QUEST NETVAULT BACKUP PLUG-IN FOR 1.1.
Chapter 1 Introducing Quest NetVault Backup Plug-in for VMware 1.2.0 Key Benefits Improve VMware ESX Performance With VADP – The Plug-in for VMware works with VADP to provide centralized backups that reduce the load on each VMware ESX Server, allowing them to run more virtual machines and reduce backup traffic on the Local Area Network. This approach is especially important if you need to consolidate hardware.
Quest NetVault Backup Plug-in for VMware User’s Guide 9 The Plug-in for VMware also preserves the use of VMware’s Thin Disk Provisioning feature during virtual machine recovery operations to control storage costs and protect data by ensuring virtual machine disks only use the amount of storage they currently need while being able to dynamically add more allocated space as required. 1.3.0 1.4.
Chapter 1 Introducing Quest NetVault Backup Plug-in for VMware 1.5.0 Recommended Additional Reading NetVault Backup Documentation You can download the complete set of NetVault Backup documentation from the Quest Software web site at the following address: https://support.quest.com/Search/SearchDownloads.aspx VMware Documentation You can download the complete set of VMware documentation at: http://www.vmware.com/support/pubs 1.6.
Quest NetVault Backup Plug-in for VMware User’s Guide 11 View the Global Support Guide for a detailed explanation of support programs, online services, contact information, policies and procedures. The guide is available at www.quest.com/support. This guide is available in English only.
Chapter 1 Introducing Quest NetVault Backup Plug-in for VMware
Quest NetVault Backup Plug-in for VMware User’s Guide INSTALLING 2.1.0 Available Editions Deploying Plug-in for VMware Prerequisites Installing Plug-in for VMware Removing Plug-in for VMware 13 Chapter 2: THE PLUG-IN Available Editions The Plug-in for VMware is available in two editions. 2.2.0 ESX Server Edition – The ESX Server Edition provides protection to virtual machines hosted by one or more ESX Servers.
Chapter 2 Installing the Plug-in Figure 2-1: Plug-in for VMware Deployment NetVault Backup Server Software NetVault Backup Client Software Plug-in for VMware NetVault Backup Server NetVault Backup Client vCenter Server Virtual Machine 2.3.
Quest NetVault Backup Plug-in for VMware User’s Guide 15 To use LAN Transport Mode, the virtual disk files should not exceed 1TB in size. With FC SAN storage, you require a dedicated physical machine to host the plug-in. With iSCSI storage and any type of storage that supports the NBD format including ESX Server’s local storage, a physical machine is not required. You can configure one of the virtual machines as an NVBU Client to host the plug-in.
Chapter 2 Installing the Plug-in 3. In the browse window, navigate to the location of the .npk installation file for Plug-in for VMware (on the installation CD or the directory to which the file was downloaded from Quest Software's web site). Depending on the operating system, the file path for this software may vary on the installation CD. 4. Select the file named vmw-x-x-x-x.npk (where x-x-x-x represents the version and build numbers), and click Open to begin the installation process.
Quest NetVault Backup Plug-in for VMware User’s Guide CONFIGURING Chapter 3: THE PLUG-IN Adding a Server Reconfiguring an Added Server Removing a Server Configuring Default Settings Enabling Virtual Machine Locking Additional Notes 3.1.0 17 Supported Backup Consistency States Adding a Server Before you can start using the plug-in for backups and restores, you must add the applicable ESX or vCenter Server to the plug-in, and configure a user account to log on to the server.
Chapter 3 Configuring the Plug-in Server Name – Enter the name of the ESX/ESXi Server (in a standalone server setup) or the vCenter Server (in a cluster setup). The server name must be unique. If you do not specify a name, the plug-in will assign the Server Address of the ESX or vCenter Server as the server name. You cannot change the server name once it is configured.
Quest NetVault Backup Plug-in for VMware User’s Guide 19 3. In the list of plug-ins, open VMware Plugin. 4. Right-click the applicable server, and select Remove Server. 5. In the confirmation dialog, click Yes. 3.2.0 Configuring Default Settings To configure the default settings for the Plug-in for VMware, follow these steps: 1. Open the plug-in configuration window. a. Using NVBU Configurator 1.Start the NVBU Configurator. 2.Click the Plugin Options tab, and then click the VMware Plugin subtab. b.
Chapter 3 Configuring the Plug-in This transport mode is not as efficient as the SAN mode which does not cause any overhead on the ESX Server host. However, it is more efficient than the LAN mode. To use this transport mode, select hotadd in the Transport Mode list. LAN Mode – The LAN transport mode can be used when the ESX/ ESXi Server uses local storage devices or NAS to store its virtual machine disks.
Quest NetVault Backup Plug-in for VMware User’s Guide 21 VMs and Templates – The VMs and Templates view provides a flat view of all virtual machines and templates in the inventory, grouped by the datacenters and folders. Note: To switch between the two views, right-click the server node in the NVBU Backup window, and select Toggle Inventory View. This command is only available when server node is open.
Chapter 3 Configuring the Plug-in 2. In the [Custom:GetMigrationLock] section, set the Value parameter to True: [Custom:GetMigrationLock] Value = True 3.4.0 3.4.1 Additional Notes Supported Backup Consistency States The Plug-in for VMware supports the following consistency states for a snapshot. Crash-Consistent Snapshots Crash-consistent snapshots capture the volume state as it would be after a power outage.
Quest NetVault Backup Plug-in for VMware User’s Guide 23 This consistency state is only supported on Windows 2003 and 2008. Requirements for VSS-Based Application-Consistent Snapshots Guest OS Version ESX Server/ vSphere Version Windows 2008 vSphere 4.1 and Windows 2008 later R2 Requirements Install VSS components on the virtual machine as part of updated VMware Tools. Enable the UUID attribute for the virtual machine. It is enabled by default for virtual machines created on ESX 4.1 and later.
Chapter 3 Configuring the Plug-in
Quest NetVault Backup Plug-in for VMware User’s Guide DEFINING A BACKUP STRATEGY Image-Level Backups Available CBT-Based Backup Types Available Non-CBT Backup Types File-Level Backups Available File-Level Backup Types Defining a Backup Strategy 4.1.0 Chapter 4: Available Backup Methods and Backup Types 25 Examples Available Backup Methods and Backup Types The Plug-in for VMware supports both image-level and file-level backups of virtual machines.
Chapter 4 Defining a Backup Strategy CBT requires virtual hardware version 7 or later. It does not support the following disk types: 4.1.1.a Physical compatibility RDM virtual disks. Virtual compatibility RDM (Independent Disks). Virtual disks attached to a shared virtual SCSI bus.
Quest NetVault Backup Plug-in for VMware User’s Guide CBT-enabled Full Image Backups Restore of Incremental/ CBT-enabled Differential Full Image Image Backups Backups Restore of Incremental/ Differential Image Backups Zeroed Thick (All space allocated at creation time, unused part zeroed out on first write.) Only used disk sectors backed up. Only changed disk sectors are backed up. Only used sectors are restored. Only used disk sectors are restored. Each sector is restored only once.
Chapter 4 Defining a Backup Strategy The Plug-in for VMware uses Quest NetVault Backup Plug-in for FileSystem (Plugin for FileSystem) for performing file-level backups. 4.1.2.a Available File-Level Backup Types The Plug-in for VMware supports the following types of file-level backups of virtual machines. Note: Only the Windows version of the Plug-in for VMware supports file-level backups of virtual machines. 4.2.0 Full Backup – A Full Backup backs up all selected files and directories.
Quest NetVault Backup Plug-in for VMware User’s Guide Are some files updated more frequently than others? Are the changes confined to a small or large number of files? Are there situations that demand ad-hoc backups independent of regular backup schedule? How much space is available for storing backups and what are the future expansion plans? What are your off site data storage plans? 29 Consider your requirements, and balance your needs with costs, resources, and other factors.
Chapter 4 Defining a Backup Strategy
Quest NetVault Backup Plug-in for VMware User’s Guide 31 Chapter 5: PERFORMING IMAGE-LEVEL BACKUPS Performing Image-Level Backups Selecting Data for a Backup Important Notes Selection Tree Icons Using Backup Selection Sets Setting Backup Options Selecting the Backup Type Enabling Changed Block Tracking Generating File-Level Indexes Enabling Active Block Mapping Configuring Number of Parallel Streams Finalizing and Submitting a Job 5.1.
Chapter 5 Performing Image-Level Backups 2. On the Selections tab, open the NVBU Client. To open any node on the Selections tab: Double-click the node Alternatively, right-click the node, and then select Open 3. In the list of plug-ins, open VMware Plugin. 4. Open the ESX/ESXi or vCenter Server node. 5. Depending on your VMware setup and inventory view type, open the applicable nodes in the hierarchy, and select the data to be backed up.
Quest NetVault Backup Plug-in for VMware User’s Guide 33 Standalone ESX/ESXi Server Setup Back Up All Virtual Machines on a Host – Select the host node. Back Up Individual Virtual Machines – Open the ESX/ESXi Server, and select the virtual machines to be backed up. VMs and Templates View – Open the Datacenter Server, if applicable. Figure 5-2: Selections tab for ImageLevel Backups – VMs and Templates View Back Up All Virtual Machines in a Folder – Select the folder node.
Chapter 5 Performing Image-Level Backups If Fault Tolerance (FT) is enabled for a virtual machine, the plug-in will not allow you to select it for a backup. If this feature is enabled after including a virtual machine in a backup job, the plug-in will not back it up. For such virtual machines, the following message will be added to the job logs: “Cannot backup VM – Fault Tolerance is enabled for the VM.” 5.1.1.
Quest NetVault Backup Plug-in for VMware User’s Guide Icon 35 Represents Virtual Machine (Powered On) Inaccessible Virtual Machine Mounted Virtual Machine Suspended Virtual Machine Powered Off Virtual Machine Primary Virtual Machine (Powered On) in a Fault Tolerant Group Inaccessible Primary Virtual Machine Suspended Primary Virtual Machine Powered Off Primary Virtual Machine Secondary Virtual Machine in a Fault Tolerant Group Inaccessible Secondary Virtual Machine Suspended Secondary Virtual Machine Po
Chapter 5 Performing Image-Level Backups Creating a Backup Selection Set To create a Backup Selection Set, follow these steps: 1. On the Selections tab, select the data to be backed up, and then in the Backup Selection Set area, click Save As. 2. In the Save Backup Selection Set window that appears, enter a name for the set. 3. Click OK. Loading a Selection Set To load a Backup Selection Set, follow these steps: 1. Select the Selections tab, and then in the Backup Selection Set area, click Load. 2.
Quest NetVault Backup Plug-in for VMware User’s Guide 5.1.2.a 37 Selecting the Backup Type Click the Backup Options tab, and configure the following parameter: Backup Type – Under Backup Type, select the applicable option: Full Incremental Differential For more information about backup types, see Image-Level Backups.
Chapter 5 Performing Image-Level Backups Important Notes During the first Full Backup that is run with the Enable Changed Block Tracking for VM option selected, the target virtual machine must be powered off. During the subsequent Full, Incremental, or Differential Backups, the virtual machine can remain powered on. At the time of enabling CBT, no snapshots should exist on a virtual machine. For more information, refer to http://kb.vmware.com/kb/1033816.
Quest NetVault Backup Plug-in for VMware User’s Guide 5.1.2.c 39 Generating File-Level Indexes When you perform an image-level backup, the plug-in automatically generates filelevel indexes for all supported volumes that are included in the backup snapshot. This allows you to restore individual files and directories from an image-level backup.
Chapter 5 Performing Image-Level Backups Note: Without Active Block Mapping, CBT will include the deleted blocks. You can enable ABM for jobs that include both NTFS disks and non-NTFS disks, but it will only be applied to NTFS disks. 5.1.2.e Configuring Number of Parallel Streams By default, the Plug-in for VMware generates a single data stream for a backup job, and backs up the selected virtual machines in a sequential manner.
Quest NetVault Backup Plug-in for VMware User’s Guide 41 and write to the same device. This can cause significant increase in the overall backup time. The load of running multiple processes on the NVBU Client can have a negative impact on performance. The load of backing up multiple virtual machines from the same datastore can increase the I/O activity on the datatsore.
Chapter 5 Performing Image-Level Backups Status – The current status of the job Data Transfer Details Plugin Type – Name of the plug-in Elapsed Time – Total time elapsed since the job started Virtual Machines Complete – Number of virtual machines backed up against the total virtual machines assigned to the job Transfer Statistics ID – Task ID assigned to the worker process.
Quest NetVault Backup Plug-in for VMware User’s Guide 5.2.2 43 Disabling CBT for a Virtual Machine To disable CBT for a virtual machine, follow these steps: 1. Power off the virtual machine. 2. In the virtual machine's configuration (.vmx) file, edit the following entry and set it to “False”: ctkEnabled = “False” 3. In the .vmx file for each virtual disk, edit the following entry and set it to “False”: scsix:x.ctkEnabled = “False” 4.
Chapter 5 Performing Image-Level Backups
Quest NetVault Backup Plug-in for VMware User’s Guide 45 Chapter 6: PERFORMING FILE-LEVEL BACKUPS Performing File-Level Backups Selection Tree Icons Using Backup Selection Sets Setting Backup Options Selecting the Backup Type Setting Backup Options for the Plug-in for FileSystem Finalizing and Submitting a Job Additional Notes 6.1.
Chapter 6 Performing File-Level Backups 4. Depending on your VMware setup and inventory view type, open the applicable nodes: Hosts and Clusters Inventory View – Open the server node. Depending on your VMware setup, open the applicable nodes in the hierarchy (that is, the Datacenter, Cluster, Resource Pool, and vApp nodes) to display the available virtual machines. VMs and Templates View – Open the server node.
Quest NetVault Backup Plug-in for VMware User’s Guide Icon Represents Closed Folder Open Folder ESX/ESXi Server ESX/ESXi Server in Maintenance Mode Inaccessible ESX/ESXi Server Virtual Appliance (vApp) Resource Pool Virtual Machine (Powered On) Inaccessible Virtual Machine Mounted Virtual Machine Suspended Virtual Machine Powered Off Virtual Machine Primary Virtual Machine (Powered On) in a Fault Tolerant Group Inaccessible Primary Virtual Machine Suspended Primary Virtual Machine Powered Off Primary Vi
Chapter 6 Performing File-Level Backups Icon Represents Inaccessible Secondary Virtual Machine Suspended Secondary Virtual Machine Powered Off Secondary Virtual Machine 6.1.1.b Using Backup Selection Sets A Backup Selection Set lets you save frequently selected data into a composite set and use it for future backup jobs. Backup Selection Sets eliminate the need to manually select the data each time a backup is performed, and ensure that the same data set is selected for the subsequent backups.
Quest NetVault Backup Plug-in for VMware User’s Guide 49 Figure 6-1: Backup Options for File-Level Backups 6.1.2.a Selecting the Backup Type Click the Backup Options tab, and configure the following parameters: Note: For file-level backups, the Standard Backup Method is selected by default. The Volume Shadow Copy Service (VSS) backup method is not available to the Plug-in for VMware.
Chapter 6 Performing File-Level Backups 6.1.2.b Setting Backup Options for the Plug-in for FileSystem Under Backup Options, configure the following parameters: Check For Files Being Modified During Backup – By default, the plug-in will mark the files that are being updated during a backup. During restore these files will not be restored automatically. To restore these files, you must select the option Restore Files Modified During Backup.
Quest NetVault Backup Plug-in for VMware User’s Guide 6.2.0 6.2.1 51 Additional Notes Manually Removing the Snapshot and Mount Folder When you mount a virtual machine for a file-level backup or browse, the plug-in takes the following actions: Creates a snapshot named BKB_SNAP for the virtual machine. Creates a mount folder with the same name as the virtual machine in the Working Directory for the plug-in.
Chapter 6 Performing File-Level Backups If the virtual machine is powered on, an error message “Unable to access file since it is locked” may appear when you try to delete the snapshot, but the snapshot may thereafter disappear from the Snapshot Manager window. If a “Consolidate Helper-0” snapshot appears after you remove the snapshot, power off the virtual machine. 6. VMware recommends that you create and delete a snapshot at this point.
Quest NetVault Backup Plug-in for VMware User’s Guide 53 Chapter 7: RESTORING IMAGE-LEVEL BACKUPS Available Restore Types for Image-Level Backups Recovering a Full Virtual Machine from Image-Level Backups Prerequisites Selecting Data for a Restore Setting Restore Options Selecting the Restore Method Setting Virtual Machine Recovery Options Finalizing and Submitting a Job Advanced Restore Procedures Relocating a Virtual Machine to an Alternate ESX Server Host Re
Chapter 7 Restoring Image-Level Backups 7.1.
Quest NetVault Backup Plug-in for VMware User’s Guide 7.2.0 55 Recovering a Full Virtual Machine from ImageLevel Backups The procedure for recovering a full virtual machine from an image-level backup includes the step outlined in the following sections: 7.2.
Chapter 7 Restoring Image-Level Backups Important Notes 7.2.2.a For an image-level restore, if you select any file or directory under the Volumes node, the job will fail. If you select an Incremental or a Differential Backup, the plug-in will automatically restore all savesets in the backup sequence up to the selected saveset. The plug-in will not perform any unnecessary steps to read, send, or write sectors that have changed in a later backup. Each sector will be restored only once.
Quest NetVault Backup Plug-in for VMware User’s Guide 57 Figure 7-1: Restore Options for Image-Level Backups 7.2.3.a Selecting the Restore Method Click the Restore Options tab, configure the following parameter: 7.2.3.b Recover VM – Select the Recover VM option to restore an entire virtual machine.
Chapter 7 Restoring Image-Level Backups Allocate to Different Resource Pool – A resource pool represents the CPU and memory resources available to an ESX Server host or a cluster of hosts, which in turn is made available to the individual virtual machines controlled by the host. Resource pools can be configured in terms of absolute minimum and maximum quantities, or relative shares. To run any virtual machine, it must be allocated a resource pool.
Quest NetVault Backup Plug-in for VMware User’s Guide 59 2. In Job Title, enter a title for the job. Specify a detailed title that allows you to easily identify the job for monitoring its progress. 3. Click Submit on the toolbar. Alternatively, on the Accept menu, click Submit Restore. You can monitor the job progress from the NVBU Jobs window, and view the logs from the NVBU Logs window. For more information about functions, refer to the Quest NetVault Backup Administrator’s Guide. 7.2.
Chapter 7 Restoring Image-Level Backups 3. In the Restore Rename dialog, configure the following parameter: Rename To – Select the check box, and enter a new name for the virtual machine. The name can contain a maximum of 80 characters. It cannot include any special characters (such as, / \ ? * : @ > < | " ? &). The job will fail with an error message if the virtual machine name is longer than 80 characters or uses any special character. Click OK to close the dialog.
Quest NetVault Backup Plug-in for VMware User’s Guide Double-click the node Alternatively, right-click the node, and then select Open 61 3. In the list of plug-ins, open VMware Plugin to display the backup savesets created with the plug-in. Each saveset will be labeled with its job title followed by the saveset ID and the backup timestamp. 4. Open the applicable backup saveset. From this level, double-click a node to open it (the right-click + Open method is not available). 5.
Chapter 7 Restoring Image-Level Backups 7.4.2 Setting Restore Options This step involves the tasks outlined in the following sections: Selecting the Restore Method Setting Virtual Machine File Restore Options Figure 7-2: Restore Options tab for Virtual Machine Files Only Restore Method 7.4.2.a Selecting the Restore Method Click the Restore Options tab, and configure the following parameter: Restore Files from Backup – Select the Restore Files from Backup option.
Quest NetVault Backup Plug-in for VMware User’s Guide 7.4.3 63 Finalizing and Submitting a Job To finalize and submit a restore job, follow these steps: 1. Click the Source, Schedule, and Advanced Options tabs, and configure the required options. These options are common to all NetVault Backup Plug-ins. For more information about these options, refer to the Quest NetVault Backup Administrator’s Guide. 2. In Job Title, enter a title for the job.
Chapter 7 Restoring Image-Level Backups 5. Open the vCenter, Datacenter, ESX Host Cluster, and the ESX Server nodes to display the virtual machine images stored in the saveset. 6. Select the images for which you want to restore the disk and configuration files. 7.5.1.a Selection Tree Icons Icon Represents Virtual Machine Configuration File NVRAM File Virtual Machine Disk File Disk Extent Information File Log File Catalog File 7.5.
Quest NetVault Backup Plug-in for VMware User’s Guide 7.5.2.b 65 Setting Virtual Machine File Restore Options Under VM File Restore Options, configure the following parameter: 7.5.3 Target Directory – Enter the full path to the directory to which you want to restore the virtual disk and configuration files. The target directory must be local to the NVBU Client on which the Plug-in for VMware is running. This release does not support mapped or mounted network shares, or UNC paths.
Chapter 7 Restoring Image-Level Backups 7.5.4.b Recovering a Virtual Machine from a VADP Backup using vCenter Converter The .vmx file reflects the datastore paths of the .vmdk snapshot files at the time of the backup. You must edit this file to reflect the restored .vmdk files. 1. Navigate to the target directory to which the virtual machine files were restored and note the file names of the virtual disks.
Quest NetVault Backup Plug-in for VMware User’s Guide 67 Backup Set – To sort the savesets by the Selection Set used for the backup, select Backup Set in the Selection Method list. Job – To sort the savesets by the Job Title, select Job in the Selection Method list.
Chapter 7 Restoring Image-Level Backups
Quest NetVault Backup Plug-in for VMware User’s Guide 69 Chapter 8: RESTORING FILE-LEVEL BACKUPS Available Restore Methods for File-Level Backups Restoring File-Level Backups Using Shared Network Drives 8.1.
Chapter 8 Restoring File-Level Backups 8.2.0 Restoring File-Level Backups Using Shared Network Drives The procedure for restoring file-level backups to a shared folder on the virtual machine includes the steps outlined in the following sections: 8.2.
Quest NetVault Backup Plug-in for VMware User’s Guide Double-click the node Alternatively, right-click the node, and then select Open 71 3. In the list of plug-ins, open File System. (The Plug-in for VMware internally uses the Plug-in for FileSystem to perform file-level backups of virtual machines. Therefore, the savesets for these backups are listed under the Plug-in for FileSystem.) To distinguish the savesets generated for virtual machines, the virtual machine name is appended to the Job Title.
Chapter 8 Restoring File-Level Backups Overwrite Newer Files – By default, the plug-in will overwrite the existing files on the restore destination with the backed up version in the saveset. If you do not want to overwrite the files that are available on the restore destination, clear the check box. Reset File Timestamps – By default, the plug-in will reset the timestamps for the restored files to what is recorded in the backup saveset.
Quest NetVault Backup Plug-in for VMware User’s Guide 73 Important: The plug-in will restore the data to the shared network folder on the virtual machine. You must manually move the restored files to the final target destination. 8.3.0 Restoring File-Level Backups Using the Native Plug-in for FileSystem The procedure for restoring the file-level backups using the native Plug-in for FileSystem includes the steps outlined in the following steps: 8.3.
Chapter 8 Restoring File-Level Backups Note: For a regular Incremental or Differential Backup, the selection tree displays all files that were included in the backup sequence (the initial Full Backup and the subsequent Incremental or Differential Backups), but for a Dump Type Incremental or Differential Backup, the plug-in only displays those files that were backed up in the selected saveset. 5. Select the files and directories to be restored. 6.
Quest NetVault Backup Plug-in for VMware User’s Guide 75 Searching for Data Items – To find a data item inside a saveset, right-click it, and select Search. Enter the item name in Search String, and click Search. Viewing Media List – To view the media list for a saveset, right-click it, and select Media List. Compressing Indexes – To compress the online indexes, right-click the target client or the saveset, and select Compress.
Chapter 8 Restoring File-Level Backups
Quest NetVault Backup Plug-in for VMware User’s Guide 77 Chapter 9: TROUBLESHOOTING 9.1.0 Common Errors SOAP Messages VDDK Logs Common Errors This section describes some common errors and their solution. Description Symptom Solution Plug-in crashes during a backup. During a backup, the plug-in crashes with the following error in the NVBU Logs: Backing up data of VM disk [XXXXXXX]xxx/xxxxxxxxx.vmdk' to media : “Job manager lost message channel unexpectedly.
Chapter 9 Troubleshooting Description Symptom Solution Incremental or Differential Image-Level Backup fails for a restored virtual machine. After restoring a virtual machine, when you perform an Incremental or a Differential Backup, the job fails with the following error message in the NVBU Logs: “Failed to get changed disk areas.” After restoring a CBT-based backup, you must start the backup sequence again with a new baseline Full Backup.
Quest NetVault Backup Plug-in for VMware User’s Guide Description Symptom Solution Restore job fails. A restore job fails with the following error: Log Message: “Failed to add VM to target server's inventory.” To correct this problem, use the following steps: Log Context: "Fault string is 'Invalid configuration for device '3'.'" When this error occurs, enable trace and run the restore job again. When the job completes, open the vmw_soaprecv.
Chapter 9 Troubleshooting 9.2.0 SOAP Messages When tracing is enabled, the Plug-in for VMware generates the following two files along with the other NVBU trace files: vmw(nnn)_soapsent.log vmw(nnn)_soaprecv.log These files contain the communication details between the Plug-in for VMware and the vSphere web service running on the VMware vCenter or ESX/ESXi Servers. When you send the trace files to Quest Customer Support, ensure that these two files are also included. 9.3.
