On 02/11/2026 13:20, [email protected] wrote:
The physical dd read test is pretty slick... # dd if=/dev/rsdXc of=/dev/null bs=1m (where "X" is your physical device you are checking). If it returns with a zero return code, your entire disk surface was read successfully. If it fails, you got problems. I'd recommend doing this on all important disks in your environment. In OpenBSD, this seems to be non-destructive and can be run while file systems are mounted and active.
I tried that on one of my systems: # dd if=/dev/wd1d of=/dev/null bs=1m dd: /dev/wd1d: Device busy What am I missing? Steve -- This email has been checked for viruses by AVG antivirus software. www.avg.com
