Here's some output...
Analyze/Disk_Structure for _$2$DUB2: started on 1-MAY-2022 17:24:45.04
%ANALDISK-W-CHKSCB, invalid storage control block, RVN 1
%ANALDISK-I-OPENQUOTA, error opening QUOTA.SYS
-SYSTEM-W-BADIRECTORY, bad directory file format
%ANALDISK-W-INVEXTBACK, file (3534,9571,0)
invalid extension file header back link
%ANALDISK-W-DELHEADER, file (6468,3775,0)
SQS_ECVAX1_DATABA0110006.COM;1
marked for delete
%ANALDISK-W-BADHEADER, file (6479,175,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-DELHEADER, file (9746,8055,0) KEUNG.JPL;1
marked for delete
%ANALDISK-W-DELHEADER, file (10857,377,0)
SQS_ECVAX1_INVENT0150001.COM;1
marked for delete
%ANALDISK-W-BADHEADER, file (11066,7,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11093,55,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11113,188,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11126,258,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11132,517,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11196,630,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-DELHEADER, file (11209,376,0)
SQS_ECVAX1_DETFAU00P0005.COM;3
marked for delete
%ANALDISK-W-BADHEADER, file (11238,955,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11275,3543,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11277,260,0)
invalid file header
-ANALDISK-I-FIDNUM_ZERO, file number zero but not a valid deleted header
-ANALDISK-I-INVHEADER_BUSY, invalid file header marked "busy"
in index file bitmap
%ANALDISK-W-BADHEADER, file (11367,307,0)
invalid file header
-ANALDISK-I-HEADER_DEL, deleted file header
-ANALDISK-I-DELHEADER_BUSY, deleted file header marked "busy"
in index file bitmap
I think incorrect geometry will cause all these...