Monitoring, Management & Location Tracking

Upgrading from CentOS 4 to CentOS 5

If you are on AMP 6.2.3, you can use the bootable 6.3.0 ISO to upgrade your OS, saving a significant amount of time. Here's the link to that article:

AirWave CentOS 4 to 5.3 Upgrade Using_AMP 6.3 ISO
http://kb.airwave.com/?sid=50140000000MjFE

Should you pursue upgrading to CentOS 5 while running AWMS 6.2.2 or earlier, here are the steps:

Case #1 - Upgrading OS on Hardware that Supports the Current Version
You are on the latest version (6.2.3) with CentOS 4 and want to upgrade to CentOS 5.

Solution:
1. Force an AMP Backup.
# amp_backup
2. Extract databackup.tar.gz from /alternative folder to an external source (desktop or fileshare).
3. Extract license.txt from /var/airwave/license folder to an external source (desktop or fileshare).
4. Do a fresh install from 6.2.3 ISO.
5. Copy the backup to AMP in /tmp folder.
6. Restore the backup.
# scripts; ./amp_restore -d /tmp/databackup.tar.gz
7. Copy back the license file to /var/airwave/license folder.
8. Check your OS release to confirm upgrade.
# cat /etc/redhat-release
9. Check Web UI to confirm that the restore succeeded.


Case #2 - Upgrading OS and Upgrading AMP Version
You are on a past version of AMP (6.0.9) on CentOS 4 and want to upgrade to CentOS 5. You've already confirmed that the hardware supports the current version. For this particular upgrade, there are 2 solutions.

Solution 1: Upgrade AMP, then Upgrade OS
1. Upgrade to version 6.2.3.
# start_amp_upgrade -v 6.2.3
2. Follow steps 1-9 of Case #1 Solution.

Solution 2: Upgrade OS, then Upgrade AMP
1. Force an AMP Backup.
# amp_backup
2. Extract databackup.tar.gz from /alternative folder to an external source (desktop or fileshare).
3. Extract license.txt from /var/airwave/license folder to an external source (desktop or fileshare).
4. Do a fresh install from 6.0.9 ISO.
5. Copy the backup to AMP in /tmp folder.
6. Restore the backup.
# scripts; ./amp_restore -d /tmp/databackup.tar.gz
7. Copy back the license file to /var/airwave/license folder.
8. Check your OS release to confirm upgrade.
# cat /etc/redhat-release
9. Check Web UI to confirm that the restore succeeded.
10. Upgrade to version 6.2.3
# start_amp_upgrade -v 6.2.3
11. Verify that the AMP upgrade succeeded.
# amp_version
# root; svn info
12. Repeat step ## to confirm successful upgrade.


Case #3 - Upgrading OS on Hardware that doesn't Support the Current Version, in order to Migrate to New Hardware
You are on a past version of AMP (4.3.3) on CentOS 4 and want to upgrade to CentOS 5. You know that the current hardware doesn't support the upgrade.

Solution:
1. Follow Case #2 Solution #2. Replace the upgrade in step 10 with the next upgrade. Follow the KB article on multiple interim upgrades:
http://kb.airwave.com/?sid=50140000000Mf7D

Version history
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Last update:
‎06-09-2014 10:21 AM
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