Qualifier Description /CONFIRM Determines whether ANALYZE/DISK_STRUCTURE prompts you to confirm each repair /HOMEBLOCKS Erases damaged home blocks on an initialized volume /LIST[=filespec] Determines whether ANALYZE/DISK_STRUCTURE produces a listing of the index file /LOCK_VOLUME (Alpha/I64 only) Prevents updates to a volume while you are analyzing it /OUTPUT[=filespec] Specifies the output file to which ANALYZE/DISK_STRUCTURE writes the disk structure errors /READ_CHECK Determines whether ANALYZE/DISK_STRUCTURE performs a read check of all allocated blocks on the specified disk /RECORD_ Determines whether ANALYZE/DISK_STRUCTURE ATTRIBUTES repairs files containing erroneous settings in the record attributes section of their associated file attribute block (FAT) /REPAIR Determines whether ANALYZE/DISK_STRUCTURE repairs errors that are detected in the file structure of the specified device /SHADOW Causes the entire contents of a shadow set or a specified range of blocks in a shadow set to be checked for discrepancies. /STATISTICS Produces statistical information about the volume under verification and creates a file, STATS.DAT, which contains per-volume statistics /USAGE[=filespec] Specifies that a disk usage accounting file should be produced, in addition to the other specified functions of ANALYZE/DISK_STRUCTURE