> Source: [sk169332](https://support.checkpoint.com/results/sk/sk169332)

# sk169332 - Secondary MDS/MLM upgrade stops and eventually rolls back 

| Property | Value |
|----------|-------|
| Solution ID | sk169332 |
| Date Created | 2020-10-20 |
| Last Modified | 2020-12-21 |
| Technical Level | Advanced |
| Products | Multi-Domain Security Management Server |
| Versions | R81 (EOS) |
| OS | Gaia |

## Symptoms

- * Inplace upgrade of MLM/secondary MDS takes a very long time (over 2 hours) and the system reverts the upgrade to the previous version.

* Virtually no resource consumption occurring on the appliance and "`ps -aux | grep upgrade`" shows:

  `
  admin 3503 `**0.0 0.0**` 2644 580 pts/2 S+ 18:26 0:00 grep --color=auto upgrade`  
  `
  admin 31302 `**0.0 0.0**` 3496 1360 ? S 16:55 0:00 /bin/sh /opt/CPsuite-R80.40/fw1/scripts/migrate_server import -v R80.40 -skip_upgrade_tools_check -n -d /new_upgrade_tools_migrate_`  
  `
  admin 31303 `**0.0 0.0**` 3764 1784 ? S 16:55 0:01 /bin/sh /opt/CPupgrade-tools-R80.40/scripts/upgrade_client.sh import -v R80.40 -non-interactive -d /new_upgrade_tools_migrate_dir/m`  
  `
  admin 39094 `**1.1 0.0**` 4532 1928 ? S 16:57 1:01 /bin/sh /opt/CPupgrade-tools-R80.40/scripts/upgrade_client.sh import -v R80.40 -non-interactive -d /new_upgrade_tools_migrate_dir/m`
* During the upgrade, the following messages appear in in `$MDS_TEMPLATE/log/cpm.elg`:

  `
  DATE TIME,PID INFO upgrade.common.GenerateUpgradeReportTimerTask [Timer-0]: UpgradeStats: there are 2 reports in $MDS_FWDIR/log`  
  `
  DATE TIME,PID INFO upgrade.common.GenerateUpgradeReportTimerTask [Timer-0]: UpgradeStats: delete /opt/CPsuite-R80.40/fw1/log/upgrade_report-2020.09.12_19.57.24.html`  
  `
  `**DATE TIME,PID INFO upgrade.ngmImport.MultiSiteNewUpgradeSvcImpl [taskExecutor-48]: Waiting for FullSync 1430 seconds**   
  `
  DATE TIME,PID INFO cpm.commands.Server [main]: <<== Memory Report: Total Memory - 1306 MB; Used - 977 MB, Free - 328 MB, Heap - 977 MB, Non Heap - 207 MB, Percent Used - 74 %==>>`  
  `
  DATE TIME,PID6 INFO cpm.commands.Server [main]: <<== Threads Report: number of threads - 198 ==>>`  
  `
  `**DATE TIME,PID INFO upgrade.ngmImport.MultiSiteNewUpgradeSvcImpl [taskExecutor-48]: Waiting for FullSync 1440 seconds**   
  `
  `**DATE TIME,PID INFO upgrade.ngmImport.MultiSiteNewUpgradeSvcImpl [taskExecutor-48]: Waiting for FullSync 1450 seconds**   
  `
  DATE TIME,PID INFO upgrade.common.GenerateUpgradeReportTimerTask [Timer-0]: UpgradeStats: generating report: /opt/CPsuite-R80.40/fw1/log/upgrade_report-2020.09.12_19.58.24.html`  
  `
  DATE TIME,PID INFO upgrade.common.GenerateUpgradeReportTimerTask [Timer-0]: UpgradeStats: Upgrade Report is now available at /opt/CPsuite-R80.40/fw1/log/upgrade_report-2020.09.12_19.58.24.html`
* Jumbo Hotfix was installed on the primary MDS server after it was successfully upgraded.

## Cause

Full sync does not complete after the first reboot (operating system upgraded) due to different hotfixes installed on the primary Multi-Domain Management server.

<br />

## Solution

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