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Chapter 6. Importing and Synchronizing
48
1.
Populating the tables describing common features for channels (channel families). This can
also be accomplished individually by passing the --step=channel-families option to
satellite-sync.
2.
Creating a particular channel in the database and importing the metadata describing the channel.
Individually, use the --step=channels option.
3.
Moving the RPM packages from the temporary repository into their final location. Individually, use
the --step=rpms option.
4.
Parsing the header metadata for each package in the channel, uploading the package data, and
associating it with the channel. Individually, use the --step=packages option.
5.
Identifying Errata associated with the packages and including them in the repository. Individually,
use the --step=errata option.
After running the preceding sample command, the population of the channel should be complete. All
of the packages should have been moved out of the repository; this can be verified with the command
cd /var/rhn-sat-import/; ls -alR | grep rpm. If all RPMs have been installed and moved
to their permanent locations, then this count will be zero, and the administrator may safely remove the
temporary repository (in this case, /var/rhn-sat-import/).
6.3. Synchronizing
An update channel is only as useful as the freshness of the information in that channel. Since the RHN
Satellite is designed to be a standalone environment, any update advisories published by RHN must
be manually imported and synchronized by the administrator of the RHN Satellite.
During synchronization over the Internet, the RHN Satellite Synchronization Tool performs the
following steps:
1. Connects over SSL to central RHN Servers, authenticates itself as an RHN Satellite, and triggers
an export of RHN data — unless a local mount point for RHN-exported data is specified, in which
case no connection is necessary. Refer to Section 6.3.2, “Synchronizing Errata and Packages via
Local Media” for an explanation.
2. Examines the export and identifies differences between the RHN Satellite data set and the
exported RHN data set. For a particular channel, the following information is analyzed:
• Channel metadata
• Metadata of all packages in that channel
• Metadata for all Errata that affect that channel
Note
All analysis is performed on the RHN Satellite; the central RHN Servers deliver only an export
of its channel information and remain ignorant of any details regarding the RHN Satellite.
- Red Hat Network 1
- Satellite 5.4 1
- Installation Guide 1
- Red Hat Network Satellite 2
- Edition 1 2
- Introduction 5
- 1.3. Terms to Understand 6
- 1.4. How it Works 7
- 1.5. Summary of Steps 8
- 1.6. Upgrades 9
- 1.6.1. Satellite Certificate 10
- 1.6.3. New Installation ISO 10
- Important 11
- Requirements 13
- 2.2. Hardware Requirements 14
- 2.3. Database Requirements 16
- 2.4. Additional Requirements 18
- Example Topologies 23
- Installation 27
- 4.5. Sendmail Configuration 38
- 4.6. MySQL Installation 39
- Entitlements 41
- Activate 42
- Chapter 5. Entitlements 44
- Importing and Synchronizing 45
- 6.1.2. Exporting 46
- 6.2.1. satellite-sync 47
- 6.2.3. Running the Import 51
- 6.3. Synchronizing 52
- 6.4. Inter-Satellite Sync 53
- Production Satellite 56
- 6.5.2. Bi-directional sync 57
- Troubleshooting 59
- 7.2. Log Files 60
- 7.3. General Problems 61
- 7.5. Connection Errors 63
- 7.6. SELinux Issues 64
- Maintenance 67
- 8.3. Backing Up the Satellite 68
- 8.4. Using RHN DB Control 69
- 8.4.3. Verifying the Backup 71
- 8.4.4. Restoring the Database 71
- /usr/sbin/rhn-satellite start 72
- /sbin/service taskomatic stop 73
- 8.8.1. Using the Tools menu 74
- 8.8.2. Deleting Users 75
- 2>/dev/null 78
- Configuration File 81
- Appendix B. Revision History 83
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