NetBackup™ Snapshot Client Administrator's Guide
- Introduction
- Installation
- Policy configuration
- Notes on policies
- Configuring a policy
- Backup Selections tab options when configuring a policy
- Off-host backup configuration options
- Selecting the snapshot method
- Configuring backup scripts
- About using alternate client backup
- Configuring alternate client backup
- Policy configuration tips
- About disabling snapshots
- NAS snapshot configuration
- About NAS snapshot overview
- Dynamic data streaming for D-NAS workloads
- Prerequisites for NetBackup DNAS configuration
- Configuring dynamic data streaming with backup host pool
- Configuring a backup host pool
- Discover plugins
- Minimum supported backup host versions for different features
- Limitations and considerations
- Setting up a NAS-Data-Protection policy
- FlashBackup configuration
- Instant Recovery configuration
- About Instant Recovery capabilities
- Instant Recovery requirements
- Instant Recovery restrictions
- Giving full server privileges to the media server
- About Instant Recovery
- Configuring a policy for Instant Recovery
- About sizing the cache for Instant Recovery copy-on-write snapshots
- Instant Recovery for databases
- About storage lifecycle policies for snapshots
- Configuration of software-based snapshot methods
- Support for Cluster Volume Manager Environments (CVM)
- Configuration of snapshot methods for disk arrays
- OS-specific configuration tasks
- About IBM DS6000 and DS8000 arrays
- IBM DS6000 and DS8000 software requirements
- Preconfiguration for IBM arrays
- Configuring NetBackup to access the IBM DS6000 or DS8000 array
- Configuring the IBM array for NetBackup
- Using DSCLI commands to obtain unique IBM identifiers
- Configuring a NetBackup policy for IBM_DiskStorage_FlashCopy
- For further reference on IBM arrays
- About IBM DS4000 array
- About Hitachi SMS/WMS/AMS, USP/NSC, USP-V/VM
- Hitachi array software requirements
- Preconfiguration for Hitachi
- About communication between NetBackup and the Hitachi array
- Determining if the Hitachi command devices are visible
- About configuring the Hitachi array for NetBackup
- Obtaining the Hitachi array serial number and the unique device identifiers
- Configuring a NetBackup policy for Hitachi_ShadowImage or Hitachi_CopyOnWrite
- About HP-XP arrays
- HP-XP array software requirements
- Preconfiguration for HP-XP
- About communication between NetBackup and the HP-XP array
- Determining if the HP-XP command devices are visible
- About configuring the HP-XP array for NetBackup
- Obtaining the array serial number and unique HP-XP identifiers
- Configuring a NetBackup policy for HP_XP_BusinessCopy and HP_XP_Snapshot
- About array troubleshooting
- Notes on Media Server and Third-Party Copy methods
- Disk requirements for Media Server and Third-Party Copy methods
- Directives for Media Server and Third-Party Copy methods
- Storage units for Media Server and Third-Party Copy methods
- Preventing multiplexing on a third-party copy backup
- Raw partition backups
- Increasing the client read timeout for all clients
- Further information on off-host data mover backups
- Backup and restore procedures
- Snapshot management
- Troubleshooting
- About gathering information and checking logs
- Logging directories for UNIX platforms
- Logging folders for Windows platforms
- Customer support contact information
- Latest patches and updates
- Snapshot provider information
- Important notes on &newProductName;
- &newProductName; installation problems
- FlashBackup and status code 13
- Single file restore from a FlashBackup Instant Recovery snapshot of a file protected by Windows VSS writer fails
- Identifying and removing a left-over snapshot
- Removing a VxVM volume clone
- Alternate client restore and backup from a snapshot fails
- Restore from a snapshot fails with status 2800
- Raw Partition restore fails with the message 'FlashBackup-Windows policy restore error'
- Snapshot creation fails with error 156
- Snapshot fails with error 20
- Restore from a snapshot fails with status 133
- Backup from snapshot fails with error 50
- Backup from snapshot parent job fails with error 4213: Snapshot import failed
- Snapshot job fails and the snapshot command does not recognize the volume name
- Snapshot creation fails with error 4220
- Snapshot creation fails when the same volume is mounted on multiple mount points of the same host
- Snapshot-based backup and restore failure
- Multiple snapshot jobs fail with code 156 or 1541.
- FlashBackup policy fails, with multiple backup selections [Cache =]
- Partial backup failure with 'Snapshot encountered error 156'
- Backup of file system validation fails with error 223
- Policy validation fails if the specified CIFS share path contains a forward slash
- Policy validation fails with status code 223
- An NDMP snapshot policy for wildcard backup fails with error 4201
- Troubleshooting with bpfis log
- Limitations of using HP-UX 11.31
- While configuring a policy for snapshot operations, the NetBackup Administration Console hangs
- Accelerator enabled incremental backup of NetApp NAS volume
- Snapshot method: Auto
- Appendix A. Managing nbu_snap (Solaris)
- Appendix B. Overview of snapshot operations
- Index
Limitations and considerations
You can set up a NAS-Data-Protection policy for your workloads.
Note:
If you use cloud as a storage unit, you must configure appropriate buffer size. Refer to the NetBackup Cloud Administrator's Guide.
Note the following important points about NAS-Data-Protection policy.
The policy is supported for Nutanix, NetApp, Qumulo, Dell EMC Power Scale (Isilon), and Dell EMC Unity plug-ins only.
The NAS-Data-Protection is not supported in the DNAT environment.
This policy does not support copy-based retention for Snapshot images. Ensure that you carefully plan your policy scheduling and snapshot retention in SLP.
Client side deduplication is not supported for NAS-Data-Protection policy.
Vendor Change Tracking (VCT) and Accelerator options are mutually exclusive for NAS-Data-Protection policy. You cannot enable both. Veritas recommends that you do not toggle the policy with these options between different execution of this policy.
Vendor Change Tracking (VCT) enabled backup with incremental schedule requires base snapshot copy to determine the difference between current snapshot copy and base snapshot copy. Differential incremental schedule refers to base snapshot copy from previous differential incremental or cumulative incremental or full schedule. Cumulative incremental schedule refers to base snapshot copy from previous cumulative incremental or full schedule. During VCT enabled backup with incremental schedule, if the base snapshot copy is not available then the backup operation might fail with the error shown in Activity Monitor Detailed status.
NAS-Data-Protection policy is a snapshot enabled data protection policy. You can configure only storage lifecycle policy (SLP) against policy's storage destination. Additionally, the SLP should always have Snapshot as the primary job and Backup from Snapshot as secondary job.
If the NAS-Data-Protection policy is used in a backup host that is running anti-virus software, the parent backup from snapshot job might hang.
The anti-virus software may block NetBackup process interactions causing the processes to hang. In this particular scenario, the nbcs process on the backup host might hang resulting in the backup-from-snapshot job to hang. Create an antivirus exclusion for nbcs on the backup host.
To cancel the hung job:
Note down the process ID of the nbcs process which is running on the backup host. This can be obtained from the job details section.
Login to the backup host and manually kill the nbcs process.
Refer to the Technote for more details regarding how to exclude the NetBackup processes from virus scanning: https://www.veritas.com/support/en_US/article.100004864
If the above steps cannot resolve the issue (and the nbcs hang persists), uninstall the network component from antivirus. On Symantec Endpoint Protection, this is called the "Network and Host Exploit Mitigation" component.
For NAS-Data-Protection policy, multiple images are created for a single volume that is backed up. The number of images is equal to the value configured for the in the policy. Since a single image cannot be referred from a single volume, NetBackup groups the images associated with a volume. When an operation is performed on one of the images in a volume, the same operation is also performed on the other grouped images in the volume. For example, if is set as four and you select one image for a volume to expire, the other three images also expire. The image grouping is applicable for the following operations:
Browse and Restore
Image expiration
Image import
Image duplication
Image verification
Set primary copy
Note:
Image grouping is not applicable for importing images as part of Image Sharing operation.
To enable checkpoint restart for NAS-Data-Protection policies created before upgrading to version 9.0, you must select the check box and enter a value in minutes.
Note:
The NAS-Data-Protection policy cannot be configured using the NetBackup web UI.