1. Yes, several over the years.
2. No, I have not gotten one yet.
3. No, see answer for #2.
4. I've had plenty of CD-R's fail on me. Most of them have been due to age although some have been because of cheap media.
5. It was not recoverable by me as I did not have the tools to recover it or it just wasn't important enough to bother with.
6. I try to keep important files backed up with removable media and/or store a second copy on another hard drive or system.
2. No, I have not gotten one yet.
3. No, see answer for #2.
4. I've had plenty of CD-R's fail on me. Most of them have been due to age although some have been because of cheap media.
5. It was not recoverable by me as I did not have the tools to recover it or it just wasn't important enough to bother with.
6. I try to keep important files backed up with removable media and/or store a second copy on another hard drive or system.