This Gauge32 value is the percent-complete progress meter UCS Manager maintains for a single, one-time backup job that an admin (or a BackupPolicy) has queued against a UCS domain. An admin watching a manually-triggered full-state backup of fabric interconnect pair UCS-DC1-A/B in the UCS Manager GUI or polling this OID over SNMP uses this number to tell a backup/export that is genuinely still working from one that has silently stalled partway through. The value climbs from 0 up to 100 as the job proceeds, so seeing it stuck at, say, 42 for many polling cycles in a row is a sign the transfer to the remote server has hung.