пришло время опять заняться етим серваком, до етого он стоял в резерве....поменял винт, переустановил систему, результ тот же:
Dec 26 06:30:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 07:00:46 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 07:00:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 07:30:47 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 07:30:47 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 08:00:46 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 08:00:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 08:30:46 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 08:30:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 09:00:46 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 09:00:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 09:30:47 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 09:30:47 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
Dec 26 10:00:46 access smartd[2830]: Device: /dev/sda, 2047 Currently unreadable (pending) sectors
Dec 26 10:00:46 access smartd[2830]: Device: /dev/sda, 2047 Offline uncorrectable sectors
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проверял софтом с http://www.seagate.com/www/en-us/support/downloads/seatools/
и прочими тестилками - никаких ошибок не обнаружено.