disk might still be corrupting it could corrupt it's internal system sectors too
i have one like that it corrupted even it's smart data and eventually failed to start and just clicks i yet have to repair it which last time i checked costs 200 eur. apparently i had too old backup and i never got time to mirror it which was planned now i mirror all my disks :) On November 2, 2026 10:17:36 PM GMT+02:00, bob prohaska <[email protected]> wrote: >A few more tests were tried on the offending hard disk, with mixed >results. Then the disk was re-connected and booted up. The root >partition came up clean, but the /usr partition would not, failing >fsck repeatedly even after reporting "filesystem is clean". > >Finally I gave up and ran diskroaster, which reported five errors. >Then I tried dd, sending output to /dev/null. That reported success. > >Eventually I stumbled on the correct incantation of smartctl, which >didn't report any obvious faults. In particular "current pending >sectors", which I understand to be indicative of problems, was zero. > >The results of diskroaster, dd and smartctl are in >http://www.zefox.net/~fbsd/rpi2/disktrouble/ >if anybody's willing to have a look. At this point >dd and smartctl seem to see nothing wrong, diskroaster >reports five errors but the last has an extra byte in >the block offset, which seems odd. Also, the runtime >values given were wildly off, two hours turned into >all day and into the night. > >At this point >smartctl -t long /dev/da1 is running. Any guidance in >what to look for would be much appreciated. It'll finish >in about three hours' from this writing. > >Thanks for reading, > >bob prohaska > >
