On Fri, 7 Nov 2025 21:35:05 +0000, Len Rugen wrote: >The less obvious problem with unlabeled tapes was you could miss blocks and >not know. Most systems at least checked block counts at EOF. > Yes. I once looked at the SYSPRINT of a failed job. One early block seemed to be missing. I inspected the tape. It had a transverse crease near BOT. Enough to levitate one block over the read head?
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