Nondisruptive backup of vmware environments using veritas. The vmware backup server could be a virtual machine, so you can use a resource pool and scheduling capabilities of vmware vsphere to minimize the performance impact of backup. Netbackup logging assistant to set up, collect, and upload debug logs and other information to symantec technical support. It covers netbackup server which includes enterprise server and server, client, bare metal restore bmr, clustered master server compatibility and storage stacks, deduplication, file system compatibility, netbackup opscenter, netbackup access control nbac. Vmware vmtools calls vss to synchronize the file system and creates a snapshot on the datastore. This failure is often caused by the vss cache file running out of allocated space. Vmware backups fail with snapshot creation failed, status. What the symantec support in our case said was basically just update the vddk because i somehow found these release notes but not how to update them or what implications this could have on his backupsoftwar. Yesterday one of the clients failed with a status code of 156. Client fialing is a windows 2008, keeps failing with status 156.
Symantec netbackup for vmware provides backup and restore of the vmware virtual machines that run on vmware esxi servers. In a symantec netbackup replication director environment, you can use netapp plugin for symantec netbackup, an openstorage technology, to manage storage systems. On the vmware tab, the enable blocklevel incremental backup option is also selected and grayed out. Figure netbackup for vmware with appliance as backup host lan wan vmware datastore vcenter server esx servers virtual machines vm vm vm vm vm vm netbackup master server if not on appliance appliance as backup host uses netbackup client software to back up vms. Based on information received from vmware support, one of the most common reasons a support request sr for a backup issue is opened stems from virtual machine vm snapshots.
Rightclick the virtual disk service and click start. After each backup, i get a warning message in the vsphere client telling me the disks need to be consolidated. Netbackup removes the old snapshot, creates an updated snapshot, and proceeds with the virtual machine backup. The new vmdk snapshot is mounted to the netbackup server via the proxy driver vmware esx vmware esx primary. The actual error will need troubleshooting for why the snapshot failed. I am looking for a solution for my current backup problem. As multiple causes for locks are possible, this article guides you through a step. Veritas netbackup is an enterprise level backup and recovery suite. You can check vcenter to see if that gives you clues and also enable bpfis logging on the vmware backup host and then examine thise logs after the backup fails next time.
Especially when it comes to development environments, vm snapshots are a great way to return to a known point in time. Aug 22, 20 proper snapshot management and cleanup has always been a best practice and this is one more reason to follow that best practice. If this step fails go to point number 6 only if you can discard snapshot data. When doing vmware backup and vms failed with failed to take snapshot and more info button shows task to create vm sna 245974, to resolve this issue, start the windows virtual disk service. Why snapshots alone are not backups veeam is the global. Netbackup status 156 on vmware virtual machine backup for virtual machine with more than seven disks article. Netbackup status 156 on vmware virtual machine backup for.
Netbackup for vmware takes advantage of vmware vstorage apis for data protection. Vcb netbackup 156 snapsho errors shanvmland aug 25, 2009 9. Can not create a quiesced snapshot because the create snapshot operation exceeded the time limit for holding off io in the frozen virtual machine. How to configure netbackup policy to backup vmware vms. The microsoft volume shadow copy service vss snapshot technology selected returned. Delete all snapshots and consolidate snapshots feature faq.
Snapshot removal issues with backupexec and locked files. If any snapshot exists on the virtual machine, netbackup aborts the job for that virtual machine only. Netbackup for vmware provides backup and restore of the. At this stage the agent send a request to the host to create the snapshot and the host executes the snapshot creation. To identify a disk lock, you need to clear all expected locks on the disks.
Cleanup of status code 156 these status codes include numbers 42004222. Netbackup 5200 series and 5300 series appliances can be used with all supported core netbackup clients see the netbackup 7. The new netbackup status code 2111 has been added to this release with the. Sybase sql anywhere database netbackup catalog has been upgraded to version 12. The need for data protection from vmware has been anticipated by veritas by issuing a product that is capable of securing existing data in the vmware virtual machine called as netbackup for vmware. After a snapshot is deleted committed, all the changes are merged to the original. Create vm snapshot testapp the virtual disk is either corrupted or not a supported format now take a quiescing snapshot and notice how the system is frozen. Here are a couple of vmware knowledge base kb articles that help with vm snapshot management and cleanup.
If there is a consolidation issue and the virtual machine is powered on, trigger a consolidate task to write a new set of log entries to assist in troubleshooting the issue. Restore notes and restrictions veritas netbackup for vmware. If i launch a manual consolidation on the replica, i have this error. Unable to create snapshots on windows guest operating systems. The error failed to quiesce the virtual machine is caused when the io in the virtual machine is very high and the quiesce operation is unable to flush all the data to disk as more and more io is being created.
If i restart the esxi management agents, create a new snapshot and then delete all snapshots, the consolidation warning message goes away. When it comes to quick rollbacks, snapshots on virtual machines are a quick and effective way to roll back to a point in time. Cannot create a quiesced snapshot because the snapshot operation. For example, you can put the vmware backup host in a different resource pool than the production esxesxi hosts, with lower priority for backup. There are so many possible causes of a 156 that we cannot guess here. Create vxms log directory under netbackup log directory. Netbackup with vss and instant recovery failing to delete. Vm snapshot vs backup vm backup vmware backup hyper. If a backup of a windows netbackup tm client fails with status code 156, this indicates that the client is using windows open file backups to protect open or active files. I noticed in the detailed status, i have errors relating to resource. Symantec netbackup for vmware administrators guide doc.
Vmware agent backup fails with status 156 snapshot error. Netbackup now logs backup success and failure statuses, and snapshot delete. An error occurred while quiescing the virtual machine. Over 200 servers mixture of solaris, linux, apple mac, windows and vmware are backed up by actioning approximately 1500 backup jobs a night utilising symantec netbackup version 7.
The vdp administration guide pdf page 52 recommends disabling the disk uuids in the vmx config file setting the value to false. The virtual machine may be too busy to quiesce to take the snapshot. Veritas netbackup release notes unix, windows, and linux. Vm backup failed snapshot error encountered156 vox. In this case, the configuration for cbt in the vms. The process of taking a vmware snapshot also involves the creation of two additional files. Veritas launches netbackup 8 unified data protection. Ensure that all provider services are enabled and can be started. If it is vmware backup, the bpfis process is in the vmware backup host. The netbackup client reads the data off the datastore. Netbackup replication director for vmware settlersoman a. This software compatibility list scl document contains information for veritas netbackup 8. Log in to the windows operating system as an administrator. Netbackup has the capability of communicating with.
A potential for data loss has been identified with vmware clients that are using changed block tracking cbt if a reversion is performed to an older snapshot. I have a vmware policy configured using annotation query to select clients. We are attempting to implement microsoft vss for snapshotting in our netbackup 6. If a virtual machine snapshot exists that a netbackup backup previously created. If you do not want to receive alarms, disable the vm mac address conflict alarms in vcenter. Netbackup takes a snapshot of the vm as part of the backup process, so it shouldnt require any manual action to engage cbt. Snapshot error encountered status code 156 veritas netbackup. Why are snapshots considered as temporary backups not real.
Vmware vdp quiesce problems of windows 2008 r2 guest os. The plugin enables netbackup to use snapshot replication technologies to back up and replicate snapshot copies between storage systems. Vmware vdp quiesce problems of windows 2008 r2 guest os esx. This is a recurring issue when using snapshot based backup solutions, unsupported disk formats or due to general storage issues. Troubleshooting issues resulting from locked virtual. The backup process is offloaded from the esxi server to a vmware backup host. Free vmware esxi backup local and over ip backups for esxi 5.
Some snapshot formats used by vmware degrade performance over time as they store more data. The sparse extent format i believe is still the default in the latest versions doesnt seem to have this property youre looking at 3 reads per read, and up to 2 reads or 3 writes per write, but this doesnt get any worse as the disk fills up. The message was failed to return the virtual machines run state to a snapshot its not the exact message, the true message has been translated from french. The solution is to register the necessary com component manually as described in vmware kb. If log directory is not present, enabling log level wont generate any logs. Check bpfis logs, in the client, to troubleshoot it. Vmware unable to quiesce guest file system during snapshot. The vmware snapshot provider service is required for proper application level quiescing. Replication director has been introduced in netbackup 7. This article provides onestop howto for troubleshooting issues based on locked virtual disks. If the virtual machine fails to power on, skip this item as well as iii a.
Vcb netbackup 156 snapsho errors vmware communities. Backup failed using backup exec symantec spiceworks. Usually updating vmware tools to match the version of esxi you are using and fixing any guest vm vss errors will take care of this sometimes rebooting the vm is needed to fix vss. Vm snapshot vs backup vm backup vmware backup hyperv. It covers netbackup server which includes enterprise server and server, client, bare metal restore bmr, clustered master server compatibility and storage stacks, deduplication, file system compatibility, netbackup opscenter, netbackup access control nbac, san media. This appears to be because some process has a lock on the snapshot file. Introducing netbackup for vmware flexible virtual machine protection methods. It is not necessary to use the same format as netbackup unless you believe the name is causing a problem, you can just use test1 or something. Installation and upgrade checklist report for nbups 7. How to troubleshoot vmware backup failed to quiesce error.
How to test a vmware snapshot outside of netbackup using. I noticed in the detailed status, i have error s relating to resource. May 24, 2018 the message was failed to return the virtual machines run state to a snapshot its not the exact message, the true message has been translated from french. Jun 10, 20 open the netbackup admin console with admin rights and expand host properties click on master servers and then in the right pane right click the master server and go to properties once the property window opens up click on client attributes in the left pane. Vmware esx vmware esx 1 backup policy alerts netbackup that it is time to do a virtual machine backup 2 netbackup instructs vmware to snapshot the virtual machine 3 the new vmdk snapshot is mounted to the netbackup server via the proxy driver vmware esx vmware esx primary shared storage backup storage vmdk vmdk vmdk vmdk vmdk vmdk vmware proxy. Error 156 means that netbackup had a problem with the creation of the snapshot. The netbackup client on the vmware backup host logs into the vcenter and initiates a snapshot. Receiving error156 snapshot error encountered for a server that is not vm. This failure is often caused by the vspvss cache file not been cleared. About the netbackup appliance as a vmware backup host. Mar 17, 2015 the vmware backup server could be a virtual machine, so you can use a resource pool and scheduling capabilities of vmware vsphere to minimize the performance impact of backup. The majority of backup and recovery solutions utilize the vsphere apis for data protection vadp, which leverages vm snapshots to perform backups. This is a vmware issue that in turn affects netbackup client backups. Netbackup client service is running as local system, this is likely incorrect.
Netbackup plugin for vsphere web client guide notes. Virtual machine backups and snapshots vmware vsphere blog. Open the netbackup admin console with admin rights and expand host properties click on master servers and then in the right pane right click the master server and go to properties once the property window opens up click on client attributes in the left pane. Authentication token for the netbackup vsphere plugins. It is a virtual vmware machine, we have this client in a folder and that folder gets backed up along with other clients in it, all other clients are working ok in that folder except for this one client server was rebooted couple of. These files have been created during the previous backup and it is not cleared yet.
I cannot see why the script should break on that line, but running the exactly same command in the shell works fine. I think its either an issue with the vmware disk development kit vddk or the way that nbu uses the apis. The method we follow to clear this issue, is rebooting the server in its maintenance window. Netbackup with vss and instant recovery failing to. Veritas netbackup tutorial archives storage tutorials. What the symantec support in our case said was basically just update the vddk because i somehow found these release notes but not how to update them or what implications this could have on his backupsoftware. The volume snapshot that occurs to facilitate open file backup has failed. Snapshot error encountered status code 156 the origin of the. Free vmware esxi backup discussion general discussion. Let us know if you would like assistance with the vm quiesce failures. Jul 10, 2016 replication director is the implementation of netbackup openstoragemanaged snapshots and snapshot replication, where the snapshots are stored on the storage systems of partnering companies. If the netbackup policy is enabled for virtual machine quiesce the default, the vmware snapshot operation in vsphere initiates a quiesce of the. The plugin enables netbackup to use snapshot replication technologies to back up and.
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