I've just spotted this in my logs:
Sep 6 20:33:32 freenas smartd[1275]: Device: /dev/ada1, 1 Currently unreadable (pending) sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada2, 1 Currently unreadable (pending) sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada2, 1 Offline uncorrectable sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada3, 1 Currently unreadable (pending) sectors
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907635373568 size=512
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907128027136 size=512
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907128020992 size=512
This is all running off FreeNAS 8.0 release.
I've been seeing the smartd stuff throwing out errors for a while, but I just assumed that it was complaining because SMART hasn't been implemented. The checksum mismatch looks VERY worrying though. Is the drive on the way out?
Sep 6 20:33:32 freenas smartd[1275]: Device: /dev/ada1, 1 Currently unreadable (pending) sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada2, 1 Currently unreadable (pending) sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada2, 1 Offline uncorrectable sectors
Sep 6 20:33:33 freenas smartd[1275]: Device: /dev/ada3, 1 Currently unreadable (pending) sectors
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907635373568 size=512
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907128027136 size=512
Sep 6 20:37:00 freenas root: ZFS: checksum mismatch, zpool=storage path=/dev/gpt/ada2 offset=907128020992 size=512
This is all running off FreeNAS 8.0 release.
I've been seeing the smartd stuff throwing out errors for a while, but I just assumed that it was complaining because SMART hasn't been implemented. The checksum mismatch looks VERY worrying though. Is the drive on the way out?