I've noticed with a few of the UCS backup files I'm pulling from some HA pairs that the file size of one may be larger than the other (50-100 meg) and I'm trying to figure out why. These are ones with APM licensed. Earlier I deleted all but the most current anti-virus update packages on each, so it's not that. Any idea what else I could look at? I tried comparing the actual UCS file contents, but there are so many folders and subfolders I gave that idea up.
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UCS files are a backup of the local appliance, and as such they contain data that have not been syncronized across a device group and data that are not part of the sync operation.
For example, you might have packet captures on one appliance, or ISO files, or maybe a user might have scripts saved in his home directory. None of this will be syncronized to the other appliance.
Text configuration files are in /config/ and /config/partitions/<p.name>/ folders , you can easily unzip them and check their sizes/content to confirm nothing's missing. (Of course, bigip_base.conf files are local-only)
If you have physical access to the appliance you can also run ls -al /config to find out what file sizes are.
I picked out two VMs to check and the files sizes were similar. I also checked their /var/tmp folders and didn't see a real difference there either. It's odd, but yes somewhere there are some files that aren't synced between the two. As the culprits all have APM licensed on them, I suspect the answer may lie with that.
The way I'd check is like this,
This is will tell you the top consuming file.
Using your instructions, I checked one of the VM pairs and found three epsec files (ex. epsec-1.0.0-489.0.iso_41872_1) that remained after I'd cleaned them out a while back. Looking at the GUI, I see only the latest one and haven't been able to determine where the three stray files are "hiding."