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54 Novell eDirectory 8.8 SP7 Troubleshooting Guide
removed after the Primary obituary is ready to be removed or, in the case of
Inhibit_move
, the
Tracking obituary is removed after the Primary obituary has moved to the
OBF_NOTIFIED
state on the
master replica.
The replica responsible for processing obituaries does so on a background process (the Obituary
Process), which is scheduled on a per-partition basis after a given partition finishes an inbound
synchronization cycle. If there are no other replicas of the partition, the Outbound Replication
Process is still scheduled on the heartbeat interval. The Outbound Replication Process then starts the
Obituary Process. The Obituary Process cannot be manually scheduled, nor does it need to be. As
synchronization occurs, the transitive vectors are updated, thus advancing the Purge Vector and Obit
Vector. As these vectors move forward, the obituary states are allowed to move forward. This,
together with the automatic scheduling done upon inbound synchronization, completes the obituary
processing cycle. Therefore, the lifeblood of obituary processing is object synchronization.
For an object that is being removed, after all obituaries whose associated Primary obituary is of type
Dead have been advanced to the last state (Purgeable), and that state has been synchronized to all
replicas, a new process is responsible for removing the remaining entry husk from the database. The
Purge Process runs automatically to remove these husks. You can manually schedule the Purge
Process and modify its automatic schedule interval by using the Agent Configuration page in
iMonitor.
9.1 Examples
This section contains the following examples:
“Deleting an Object” on page 54
“Moving an Object” on page 55
9.1.1 Deleting an Object
1 Add the Primary obituary OBT_DEAD.
The Back Link attribute contains a list of servers that have an interest in this object and need to
be notified of changes to this entry. For every DN listed in the Back Link attribute and all servers
listed in the entry's partition replica attribute, eDirectory adds a Back Link obituary. The creation
time of the Primary obituary, OBT_DEAD, is stored in the Secondary obituary.
The Used By attribute contains a list of partitions that have an interest in this object and need to
be notified of changes to this entry. For every DN listed in the Used By attribute, eDirectory adds
a Used By obituary. The creation time of the Primary obituary, OBT_DEAD, is stored in the
Secondary obituary.
2 Remove all attributes but the obituaries.
The Outbound Replication Process then synchronizes this change to all other servers in the
replica ring.
On the next inbound synchronization of this partition, the Obituary Process is started, which
does the following:
Computes a time vector which is a minimum transitive vector, referred to as the purge
vector. Later versions of eDirectory compute a second minimum vector, called the obituary
vector, which does not consider replicas which are subordinate references.
Each Obituary in this partition is now examined.
If the obituary is a Primary obituary, there are no Secondary obituaries, and the attribute's
modification time (MTS) on the obituary is older than the Purge Vector, then all servers
have seen the change and this obituary will be removed.
- Troubleshooting Guide 1
- Legal Notices 2
- Novell Trademarks 2
- Third-Party Materials 2
- Contents 3
- 6 Troubleshooting SNMP 45 4
- 7 iMonitor 49 4
- 8 iManager 51 4
- 9Obituaries 53 4
- Contents 5 5
- Contents 7 7
- About This Book 9
- Documentation Updates 10
- Additional Documentation 10
- Resolving Error Codes 11
- 2.1 Installation 13
- 2.1.6 Naming Objects 14
- 2.2 Configuration 15
- 2.2.3 Adding New Servers 16
- 2.3 Upgrade 17
- 2.4 Multiple Instances 19
- 3.1 Windows 21
- 3.2 Linux 21
- 3.3 Solaris 22
- Log Files 25
- Troubleshooting LDIF Files 27
- 5.1.2 LDIF Content Records 28
- 5.1.3 LDIF Change Records 29
- The Delete Change Type 30
- The Modify Change Type 30
- The Modify DN Change Type 32
- 5.2 Debugging LDIF Files 34
- The default is 37
- Option Description 37
- 5.3.2 Adding a New Attribute 40
- Troubleshooting SNMP 45
- 6.2 SNMP Group Object 46
- 6.3 SNMP Initializing Errors 46
- 6.6 SNMP Issues 46
- 6.6.3 Restarting ndssnmpsa 47
- On Windows 50
- Using Quick Create 51
- Obituaries 53
- 9.1 Examples 54
- 9.3 Prevention 55
- 9.4 Troubleshooting Tips 56
- 9.4.1 Solutions 57
- 9.4.2 Previous Practices 58
- Using ICE 62
- 10.3.1 Prerequisites 63
- Troubleshooting Schema 67
- DSRepair 69
- Replication 71
- Clone DIB Issues 73
- Services 75
- 6 Click Apply, then click OK 76
- 16.2 ndsconfig Utility 77
- 16.3 ndsmerge Utility 78
- 16.4 DSTrace Utility 78
- 16.5 ndsbackup Utility 78
- 16.6 Using DSRepair 79
- Global Schema Operations 81
- 16.7 Using DSTrace 85
- 16.7.1 Basic Functions 86
- 16.7.2 Debugging Messages 86
- 16.7.3 Background Processes 89
- NMAS on Linux and UNIX 95
- Troubleshooting on Windows 97
- Troubleshooting on Windows 99 99
- DHost remote management page 102
- Encrypting Data in eDirectory 103
- Possible Cause 105
- SASL-GSSAPI 109
- 4 Perform the LDAP 111
- Miscellaneous 113
- MALLOC_CHECK Settings in ndsd 114
- 23.7 Disabling SecretStore 116
- 23.8 Viewing SLP Man Pages 116
- 2.16.840.1.113719.1.27.103.7 118
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Approx Tablettes manuels d'utilisation
La liste de Approx Tablettes produits contient 14 manuels d'utilisation pour les modèles 14. Tous les guides d'utilisation en format pdf peuvent être téléchargés ou consultés en ligne.
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