admin@Mac-mini ~ % hdiutil info
framework       : 621
driver          : 621
================================================
image-path      : /Volumes/External SSD/Monterey backup.dmg
image-alias     : /Volumes/External SSD/Monterey backup.dmg
shadow-path     : <none>
icon-path       : <none>
image-type      : read-only disk image
system-image    : false
blockcount      : 489620264
blocksize       : 512
writeable       : false
autodiskmount   : TRUE
removable       : TRUE
image-encrypted : TRUE
mounting user   : admin
mounting mode   : <unknown>
process ID      : 1864
framework name  : DiskImages2
/dev/disk6		
/dev/disk7	EF57347C-0000-11AA-AA11-00306543ECAC	
/dev/disk7s1	41504653-0000-11AA-AA11-00306543ECAC	/Volumes/Monterey 1
/dev/disk7s2	41504653-0000-11AA-AA11-00306543ECAC	
/dev/disk7s3	41504653-0000-11AA-AA11-00306543ECAC	
/dev/disk7s4	41504653-0000-11AA-AA11-00306543ECAC	
/dev/disk7s5	41504653-0000-11AA-AA11-00306543ECAC	
/dev/disk7s6	41504653-0000-11AA-AA11-00306543ECAC