My iPod has lost its customary disk icon. Have to check into that....
Disk Utility says:
Checking Catalog file.
Invalid leaf record count
(It should be 18194 instead of 18196)
Checking Catalog hierarchy.
Invalid directory item count
(It should be 8 instead of 9)
Checking volume bitmap.
Volume Bit Map needs minor repair
Checking volume information.
Invalid volume free block count
(It should be 573832 instead of 574231)
hmmmm.