"Is 'catalog database space usage' same as 'total size of non-expired backed up data' ?"
Probably not, the Catalog Databasse usage will only be 100% accurate after you run a 'writedb/readdb' to purge the IDB
"Is 'catalog database space usage' same as 'total size of non-expired backed up data' ?"
Probably not, the Catalog Databasse usage will only be 100% accurate after you run a 'writedb/readdb' to purge the IDB