Sadly I'm not very familiar with Samsung drives, so I'm not quite sure what some of these attributes are. Nothing stops a vendor from using a "commonly defined" attribute for something else (e.g. Western Digital could use 0xB5 as 'Snakes On Platters' while Samsung could use 0xB5 as 'Banana Counts').
It would really help if I could see smartmontools output instead of HD Tune Pro, since smartmontools has an internal drive database of many drives, adjusting the name and decoding method of the attribute based on model/firmware/etc.. HD Tune Pro doesn't have this (well okay, it has a very tiny one for some models of SSD, but it's no where near as accurate/correct as smartmontools).
For example, temperature on this model of drive is vendor-encoded, and attribute 0xB5 could also be vendor-encoded. It's hard for me to say at this point.
Ignoring attribute 0xB5 for a moment, and
assuming 0xC8 is correctly labelled (again, smartmontools...
), then the attribute indicates at one point during the zeroing the drive
did experience a very, very low number of anomalies during the zeroing. Since a drive remaps an LBA to a spare sector only on a write, there may have been a few LBAs written to which caused the drive to have to issue re-write attempts before they passed, thus increasing the rate slightly. Obviously there are no remapped sectors (successful or failed for that matter), but something did happen during the writes.
I would still use the drive regardless of this attribute having incremented, but you may want to run a full read scan of the drive (reading every LBA) to make sure nothing happens there. You can do this in HD Tune Pro by using the Error tab, but make sure to
uncheck the "Quick scan" option. Also be aware that HD Tune Pro and some other utilities
have a known bug/issue where the error scan may suddenly start returning errors for every LBA past a certain point; this is a software bug. (It can also happen when using the Erase feature)
Finally, be aware that this model of Samsung drive
is one of the drives which is known to have a catastrophic firmware bug. You can't look at the firmware number to determine if your drive has the fix or not (Samsung chose to not increment the firmware number). The only place I was able to find this fixed firmware
was here.