CRC data failed?

[Francisco Reyes]

Matthew Dillon writes:

Well, when it's on a VM it usually means a crash occured and the VM
was lying the operating system when the OS told it to flush its disk
caches.  What VM were you running it on?
Now have some files with "Input/output error". Could it be related to the 
CRC error?

This is a backup machine. Should I just delete all the files with problems 
and resync? How can I confirm the status of Hammer to make sure it is ok?