smartd频繁报错，要换硬盘的征兆？

[pubby]

这两天大量
Oct 23 12:08:47 dev smartd[2070]: Device: /dev/ad1, 1 Currently unreadable (pending) sectors
Oct 23 12:08:47 dev smartd[2070]: Device: /dev/ad1, 43 Offline uncorrectable sectors
Oct 23 12:08:47 dev smartd[2070]: Device: /dev/ad4, 10 Currently unreadable (pending) sectors
Oct 23 12:08:47 dev smartd[2070]: Device: /dev/ad4, 5 Offline uncorrectable sectors
Oct 23 12:38:48 dev smartd[2070]: Device: /dev/ad1, 1 Currently unreadable (pending) sectors
Oct 23 12:38:48 dev smartd[2070]: Device: /dev/ad1, 43 Offline uncorrectable sectors
Oct 23 12:38:48 dev smartd[2070]: Device: /dev/ad4, 10 Currently unreadable (pending) sectors
Oct 23 12:38:48 dev smartd[2070]: Device: /dev/ad4, 5 Offline uncorrectable sectors
Oct 23 13:08:47 dev smartd[2070]: Device: /dev/ad1, 1 Currently unreadable (pending) sectors
Oct 23 13:08:47 dev smartd[2070]: Device: /dev/ad1, 43 Offline uncorrectable sectors
Oct 23 13:08:47 dev smartd[2070]: Device: /dev/ad4, 10 Currently unreadable (pending) sectors
Oct 23 13:08:47 dev smartd[2070]: Device: /dev/ad4, 5 Offline uncorrectable sectors
Oct 23 13:38:47 dev smartd[2070]: Device: /dev/ad1, 1 Currently unreadable (pending) sectors
Oct 23 13:38:47 dev smartd[2070]: Device: /dev/ad1, 43 Offline uncorrectable sectors
Oct 23 13:38:48 dev smartd[2070]: Device: /dev/ad4, 10 Currently unreadable (pending) sectors
Oct 23 13:38:48 dev smartd[2070]: Device: /dev/ad4, 5 Offline uncorrectable sectors


两个盘还一起坏？