Disk staging storage units a disk staging storage unit provides the first storage location for backup images in a two. On the disk pool configuration status page, create a disk pool and insure that option shown below is selected. Disk storage unit is full129 data recovery general. Which two methods can be used to accomplish this goal. Then copied the same on tape a background process 2 allows data on tape without images multiplexing. In this process, client data is backed up to a disk staging storage. These were some of the simple steps by which you can easily configure storage devices in. The following procedure provides a sample workflow to retrieve job information from netbackup. Disk staging allows the staging of data to disk before ultimately moving to the final storage unit.
Increase the data buffers used by the netbackup disk manager process bpdm on master and media servers. This is a very similar problem experienced for advanced disks. This status code can occur for disk storage units dsu and disk staging storage units dssu. Symantec netbackup waits for the backup to complete before removing the oldest images until the low water mark is reached. File restores are done from the disk staging storage unit copy, while the destination storage unit copy can be considered the long term copy. What is the image removal behavior for relocated images from a basic disk staging storage unit when the high water mark is reached during a backup. Storage unit groups consisting of disk staging units. Using the nearstore disk storage unit for more than one purpose. Disk staging storage unit dlt, a tech data company. Hello experts, i need to check the basic watermark functionality with my nas storage device using nbu. The idea os a disk staging storage unit is that you write your backups to it with the normal retentions eg 5 weeks. Leverages speed of disk for backup, with tape for longterm storage zdisk as hybridsolution direct some backups to disk, others to tape. However, is seems that we can backup to dssu we can run reallocation jobs but that the only way the temporary backup images on disk get deleted, is when other jobs run into a storage unit is full condition. Disk storage staging unit solutions experts exchange.
After entering your storage path, now netbackup will add this storage unit to its system and will show you finish screen as below. I always thought if the disk is full netbackup begin to overwrite the older files, such like nb is doing when backup on tape. The tape device was listed second in the storage unit group. Generally robotic storage is used which is a collection of a large number of magnetic tapes. Data backed up or archived travels from the client to a netbackup media server, where it is written to a disk storage unit. Setting up a cde for the netbackup interfaces on unix. Information about how to configure and use netbackup with snapshots on disk appliance storage is available in a.
Before you can configure openstorage in netbackup, you must install and. Jul 27, 2019 what is the image removal behavior for relocated images from a basic disk staging storage unit when the high water mark is reached during a backup. To configure service credentials for cifs storage and disk storage units. This can reduce the required backup window by deferring the move from disk to tape until all client data is collected and the backup window closes. Disk staging is covered indepth in the disk staging elearning lesson. Openstorage option provide key enhancements for disk based data protection. Disk staging is using disks as an additional, temporary stage of backup process before finally storing backup to tape. Netbackup nbu is a clientserver software solution designed for enterprise customers. Explanation of how basic disk staging works in netbackup.
Disk staging storage unit dssu cleanup behavior is different in netbackup 6. Netbackup cloud storage server and amazon s3 nine productions. When netbackup detects a disk staging storage unit that is full, it pauses the backup. Aug 11, 2010 all disk staging storage unitsall netbackup policiesall storage lifecycle policies upgrading clients after servers are upgraded. The only condition that triggered staged but not expired image cleanup was the disk. Disk staging storage unit how is disk staging storage unit. In the policy disk is specified as the storage unit in the properties of change storage unit window. To find images on basic disk, you can use the gui or use bpimmedia with something like this. The image on the disk storage unit continues to be the primary image until it is expired or removed, after which the image on the final storage unit is the primary image. After writing the data to disk, you can use staging or storage lifecycle policies to copy batches of images to tape. How to enable disk staging storage unit dssu duplication. Basic disk disk staging storage unit dssu configured in. Slow performance on disk storage units, disk staging. When using netbackup disk staging storage units dssu, duplication to the final destination storage unit is processed sequentially for each dssu.
Nbu disk storage units do not delete older,duplicated files, this is a manual process. The disk appliance must conform to the symantec openstorage api. Symantec netbackup administrators guide, volume ii. This value is the capacity level for a disk storage unit at. The image exists on both the disk staging unit as well as the final destination storage unit until the disk staging storage unit is full. Jul 31, 2016 storage unit groups, nbu command line, netbackup. The tape device was listed first in the storage unit group. The default buffer size for bpdm disk backups is 262144 256k.
Netbackup system administrators guide for windows, volume i. Symantec netbackup nbu design best practices with data domain. Symantec netbackup advanceddisk storage solutions guide. The process of disk staging is controlled by the same software that performs actual backups, which is different from virtual tape library. For that i have a storage unit 1tb locally attached. What is the image removal behavior for relocated images from a disk staging storage unit when the high water mark is reached during a backup. It does not let you push client software to a remote client that is also a netbackup media or master server. Disk staging storage units a disk staging storage unit provides the first storage location for backup images in a twostage process called disk staging. Disk storage unit is full 129 here is the bpdm log showing it was trying to clean up old images.
Im trying this with netbackup enterprise on windows 2008 r2 ent. Netbackup removes images with the lowest rank data classification until the low water mark is reached. Data is automatically moved based on pre established policies. How to create storage unit stu on netbackup advanced disk. Advanceddisk storage solutions guide unix, windows, linux release 7. Nov 04, 2014 3 reasons i dont like netbackup storage lifecycle policies netbackup storage lifecycle policies great idea but far away ftom to be perfect. At the end the expired images should be deleted from disk. When performing a netbackup backup operation, a backup to a disk storage unit will fail with a status 129 when the disk storage unit is full. In the netbackup administration console, select netbackup management storage storage units click actions new storage unit or new storage unit in the new storage unit dialog box, name the storage unit select disk as the storage unit type select the disk type of disk storage unit that is to be a disk staging storage unit. A disk staging storage unit provides the first storage location in a twostage process called disk staging. Creating a schedule for a basic disk staging storage unit. Dssu stands for disk staging storage unit veritas netbackup.
Symantec netbackup advanceddisk storage solutions guide unix, windows, linux release 7. At the beginning i have to admit that storage lifecycle policy slp is a great idea. To set up the kms database 1 on thenetbackupmasterserver,create kmsdatabasebyrunning nbkmscommandwiththecreateemptydboption,asfollows. We want to use the new disk staging functionality in netbackup 6. Creating a schedule for a basic disk staging storage unit veritas. See the netbackup installation guide for information about how to install the. Netbackup requires this extra time to catalog the granular exchange.
Benefits 1 this allows faster backup on disk first. The disk copy continues to exist on the disk staging storage unit until either the copy expires based on the copys retention period, or until another stage i process needs space on the disk storage unit. Images expire after copying data to secondary unit. Setting up a cde for the netbackup interfaces on unix logging in. Assuming that the final storage unit is a media manager tape storage unit, this means that each dssu will only use one tape drive even if the dssu contains 100 images that need to be duplicated.
This procedure involves logging in to netbackup to receive a jwt and then requesting job information for a specific job job id 5 in this scenario. The admin console lets me create the group and add the dssus, but when i go to assign a job to that storage group, the group doesnt appear in the pulldown box of units and groups. Dssu is defined as disk staging storage unit veritas netbackup rarely. Some of the images in the disk storage unit have been successfully duplicated. As shown below check the box which states create disk storage unit with specified path and then enter the path. Veritas netbackup on cisco ucs s3260 storage server. Symantec netbackup administrators guide, volume i doc. Slow performance on disk storage units, disk staging storage units and deduplication storage. Backups to a disk storage unit dsu intermittent fails with status code 2074 and an emm status.
Os config drive and robotdont use smc0 changer on os aix but make device ovpass0 substance 2. In addition, configuration of backups to ost storage units with slp allows optimized duplication. My disk storage unit is getting full when full backups are running on the weekend and im not sure how to make it so that it doesnt happen. Through the cloud storage wizard, once you create the bucket, the bucket isnt listed in the wizard, and therefore you cannot go on to create the disk pool. So now lets begin and learn how to configure storage device in netbackup. All disk staging storage unitsall netbackup policiesall storage lifecycle policies upgrading clients after servers are upgraded. Netbackup software detects a full disk staging location, it pauses the backup process, finds the oldest backup image that has been copied successfully to the final longterm storage destination, and deletes that data from the staging storage unit.
Basic disk storage unit deduplication storage unit veritas netbackup catalog backup policy. Downloading the device mapping files about configuring robots and tape drives in netbackup. Only add the capacity required, then update the netbackup disk pools. The administrator needs to keep the image available for restore indefinitely. All disk staging storage units all netbackup policiesall storage lifecycle policies upgrading clients after servers are upgraded.
Finding potential free space on a basicdisk disk staging storage unit. Allows multiple file systems to be used in a single storage unit. Eliminates additional step of staging, but provides. On the storage unit creation page, enter details to create storage unit. Netbackup removes the largest images until the low water mark is reached. All policies are configured to backup to a disk storage group and the after that a duplication job runs and bakcup all to tape library. Backups stay on disk typically for a day or a week, before being copied to tape in a background process and deleted afterwards. If it is not already installed, install netbackup on the windows client.
Configuring key management for netbackup advanceddisk storage encryption. Storage unit usage when configuring to perform backups the customer may specify. The main reasons are ease of use and the fact that the ost storage lifecycle policy slp integrates ost storage units efficiently into netbackup s storage plan and data management. On the storage unit and in the policy attributes c. The df h command can be used to determine the available disk space for a disk storage unit. Storage unit groups can be configured to use devices in the group based on order, least recently. Then the other backupjobs show something like processing disk full. Configuring credentials for cifs storage and disk storage units forcommoninternetfilesystemcifsstoragewithadvanceddisk,two. How is disk staging storage unit veritas netbackup abbreviated. A netbackup storage unit is a group of one or more storage devices of a specific type and density that attach to a netbackup server. Set the disk pool name and set the high and low level water marks for the disk staging.
Though for this tutorial i will be using my computer hard disk as a storage device. See about the netbackup openstorage option on page 11. For rapid restores, netbackup can retrieve undeleted data from the disk staging storage unit. Netbackup discovers the storage and uses familiar netbackup storage units and backup policies to use the storage. A storage lifecycle policy slp is a storage plan for a set of backups and provides additional staging locations, including all supported disk types, vtl and tape. The actual dssu simply points to a folder in the file system recommended to be a separate disk for reasons youll see in minute. Allows user to increase storage unit capacity by adding disks. There is no staging storage unit on this media server or disk storage unit. Unfortunately, basic disk disk staging storage units which use the clustervirtual netbackup name for the storage unit and storage server name, will not perform the hwm trigger and cleanup any staged backups images when exceeding the hwm. Assessing the benefits and risks of disk to disk backup diagrams 2 and 3 depict the data paths for netbackup backup, image duplication, and restore processes.
When a data domain system is used as a vtl as a netbackup media manager or ndmp storage unit, the system emulates a physical tape library and physical tape drives. Cloud and data center transformation 30,605 views 1. Now when i start netbackup on this media server, i only see ltid and vmd in mm processes. A disk storage unit either basic disk or openstorage can take advantage of the randomaccess nature of disks. On the storage unit and in the policy backup selection list d. Staging backup this is a process in which first data is copied on a storage unit then copied to another storage unit. The port that is used to access the netbackup api is the standard netbackup pbx port, 1556. This guide describes how to configure and use an intelligent disk appliance in netbackup for backups. Select the media server, disk pool and storage unit name. C question 4 a backup on tape is due to expire in one week. The staging storage unit is skipped and backups are sent directly to the final storage unit. We can provide additional staging retentions and classification of backup data as well. To select enable temporary staging area used for basic disk staging, both enable.