NetBackup 4.5 Troubleshooting Guide for Windows - Symantec

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Backup and Restore Functional Description NetBackup Database Backups The administrator can use an option in the administrator interface to start a manual backup of the NetBackup databases or configure NetBackup to automatically back up its databases (Figure 9). It is possible to configure automatic database backups to occur either: ◆ After each scheduled backup session that results in the creation of at least one backup image. Or NetBackup 4.5 Troubleshooting Guide for Windows ◆ After scheduled, user-directed, or manual backup or archive sessions that result in the creation of at least one backup or archive image. For automatic database backups, NetBackup uses the scheduler, bpsched, to determine if any backups are required. The scheduler is activated by the request daemon, bprd, at intervals determined by the Wakeup Interval global attribute. If a backup is needed, bpsched uses the client daemon, bpcd, to start the database backup program, bpbackupdb. For a manual database backup, NetBackup invokes bpbackupdb directly, without going through bprd or the scheduler. Once started, bpbackupdb: 1. Queries bpdbm for the database paths to back up and the media ID to use for the backup. 2. Starts the tape and optical manager, bptm, and sends it the media ID in a special mount request. The tape and optical manager, bptm, recognizes the request as being for a database backup and checks the database to ensure that the media ID is not one used for regular backups. The bptm program then includes the media ID in a request to the Media Manager device daemon, ltid. The device daemon finds the media and causes it to be mounted on an appropriate device. 430 NetBackup Troubleshooting Guide - Windows NT/2000 NetBackup 4.5 Troubleshooting Guide for Windows
NetBackup 4.5 Troubleshooting Guide for Windows Figure 9. NetBackup Database Backup bptm Tape request ltid ltid * * Configuration Database bpdbm mount Notes: * For details on this component, see the Media Manager Functional Description later in this chapter. Database path and media ID query Tape or Optical Backup and Restore Functional Description 3. Starts the actual backup by using bpcd to start the backup program, bpbkar. If the database is on the master server, bpbackupdb starts the backup and archive program on the master server. If the database is on a media server, bpbackupdb starts the backup and archive program on the media server. The bpbkar program transmits file information and the backup image to separate bpbackupdb processes as shown on Figure 9. ◆ The original bpbackupdb process receives the backup image and sends it to the backup device. Appendix A, Functional Overview 431 Backup Image bprd bpsched bpcd bpbackupdb After backup sessions fork Manually initiated bpbackupdb NetBackup Administration Interface Backup Image File Information NetBackup 4.5 Troubleshooting Guide for Windows Master Server Master or Media Server bpcd bpbkar Disk with Database
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NetBackup 4.5 Troubleshooting Guide
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Contents NetBackup 4.5 Troubleshoot
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Preface Audience Organization NetBa
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Introduction 1 This chapter explain
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General Test and Troubleshooting Pr
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NetBackup Configuration 1 Servers N
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Windows NT/2000 Master Server Polic
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Reports NetBackup 4.5 Troubleshooti
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Media Manager Logs NetBackup 4.5 Tr
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64 = Backup Status 128 = Media Devi
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NetBackup Status Codes and Messages
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Messages NetBackup 4.5 Troubleshoot
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Media Manager Status Codes and Mess
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Page 393 and 394: NetBackup 4.5 Troubleshooting Guide
Page 435 and 436: Figure 6. Starting NetBackup Master
Page 437 and 438: Figure 7. Backup or Archive to Tape
Page 443: Backups - Macintosh Clients NetBack
Page 451 and 452: Restores - NetWare Clients NetBacku
Page 453 and 454: NetBackup Directories and Files Bac
Page 465 and 466: Startup Process NetBackup 4.5 Troub
Page 469 and 470: Barcode Operations NetBackup 4.5 Tr
Page 471 and 472: Media Manager Components Media Mana
Page 485 and 486: Robotic Test Utilities C Each of th
Page 487 and 488: Backup Exec Tape Reader for NetBack
Page 493 and 494: ◆ Backup Exec 8.x Device & Media
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Examples NetBackup 4.5 Troubleshoot
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Troubleshooting with the Debug Logs
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Glossary access control list (ACL)
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ack up backup The act of copying an
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configuration consolidated eject co
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disaster recovery disk disk-image b
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global attributes GDM Dashboard GDM
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inject inport inode install_path jb
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media media access port media host
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NetBackup Device Manager service Ne
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port A location used for transferri
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estore retention level retention pe
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session Session (Vault) shared driv
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tape overhead tape spanning tar tar
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TSH - Tape Stacker Half-inch A Medi
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wildcard characters Microsoft Windo
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Index Numerics 3pc.conf file 123 A
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E F NetBackup 4.5 Troubleshooting G
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O P NetBackup 4.5 Troubleshooting G
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NetBackup 4.5 Troubleshooting Guide for Windows - Symantec

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