
Chapter 4. Recovering catalogs 51
you need to do it. The ZAP facility of Catalog RecoveryPlus, discussed in 6.9,
“ZAP command” on page 107, and the ad hoc tool VVDSFIX, discussed in 4.3.4,
“VVDS recovery” on page 57, can help you when you need to attempt to repair a
BCS or VVDS.
That leaves you with
salvage. IDCAMS REPRO MERGECAT can be used to
move entries out of a broken catalog. The potentially lengthy and tedious process
is discussed in 4.2.4, “Using REPRO MERGECAT to salvage a catalog” on
page 54.
4.1.3 Determining the most recent backup version
Many installations define generation data groups for their backup data sets so
the latest one ...