On 12/04/17 09:51 AM, Greg Freemyer wrote:
Sorry,
But smartctl is the best tool out there and it will only report issues detected in the normal course of use.
You need to access every sector if you want to know if the media is starting to fail. I would:
smartctl --all > pre-scan.out dd if=/dev/sda of=/dev/null bs=10M conv=noerror smartctl --all > post-scan.out
I take it that the "-all" is purely reporting, does not alter the disk in any way?
Then compare your pre- and post- results to see if any serious concerns were found.
Concerns would include correctable media errors, etc. Not just total failures.
ACK. IIR there's a limit to correctable errors in the size of the "look-aside" table and allocated reserved sectors. Or is it tracks?
As to speed, if you can get 4GB/minute read speeds, you can read a TB in about 4 hours.
I get as fast as 8GB/minute on 3 1/2 inch 7200 RPM modern large desktop drives. So that's a TB of reads in 2 hours.
WOW! I like that! -- A: Yes. > Q: Are you sure? >> A: Because it reverses the logical flow of conversation. >>> Q: Why is top posting frowned upon? -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org