You'll see it used to denote the relative position of the last record in an ESDS or RRDS Vsam file. There may be other non-VSAM files that use the teqnuque, but I haven't seen much of them in recent years.
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Joined: 05 May 2005 Posts: 102 Location: Navi Mumbai, India
Hi,
If you analyze the output of the LISTCAT command there is ALLOCATION information which shows two fields HURBA and HARBA.
HIGH-USED-RBA indicates the Relative Byte Address(plus 1) of the last used data control area. This value reflects the portion of the space allocation that is actually filled with data records.
There are actually two HURBAs one in the VSAM control block of the cluster and one in the catalog entry for the cluster.
Hope this helps,
