I have a 1.5TB Western Digital Black drive that developed some bad sectors after 18 months. After using WD's diagnostic tools and chatting with their support, it was determined the best bet was to get a new drive under their warranty program. WD shipped me a "re-certified" drive that arrived in just two days even though I was quoted 5-7 days (give them an A+ for service), and I have since copied all my files from the bad drive to this new drive.
Now I need to return the bad drive to avoid being charged for the replacement. The drive was mostly used to store family photos and videos. There is a slight chance that some sensitive info may also have been stored on it. For peace of mind, I want to wipe the drive before mailing it in.
After deleting all the files and emptying the bad HD's recycle bin (yes I know this does virtually nothing), I started using CCLeaner's Wipe Free space using the 3-pass option. It appeared this was going to take 12+ hours, so I stopped that process and instead selected three large photos (mix of jpeg and TIFF files) that totaled 100 MB in size. I started copying and pasting them on this drive. So far, I have filled 282 GB out of 1,360 GB on this drive with these three photos. My thinking is that this is a quicker way to at least start the wiping process. I was going to fill the drive up completely with these three files.
Is this sufficient? I could ship the drive back to WD with it full of thousands of copies of these three photos. I would prefer to do something more for peace of mind. One idea is once the drive is full I use CCleaner or some other (preferably free or low cost solution) to further wipe the drive. I own ShredXP which is outdated and does not like to run on my W7 PC. I could pull the drive out of my PC and put it in an older XP box and let ShredXP do it's magic (likely a 12+ hour task). I could also use SpyBot S&D to securely wipe out the thousands of picture files I am duplicating. I have read about Active KillDisk - would the free version that simply writes 0's on everything be OK or do I really need the Pro version?
I realize it is pretty safe shipping to WD, I would just like to have a standard procedure to follow and not have to worry about anything.
Let me know if you have any questions. Thanks!