посмотрел смарт нового винта и задумался
smartctl -A /dev/sdb
smartctl 5.40 2010-07-12 r3124 [i686-pc-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF READ SMART DATA SECTION ===
SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000f 120 120 050 Pre-fail Always - 0
5 Reallocated_Sector_Ct 0x0033 100 100 003 Pre-fail Always - 0
9 Power_On_Hours 0x0032 000 000 000 Old_age Always - 181805965639707
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 15
171 Unknown_Attribute 0x0032 000 000 000 Old_age Always - 0
172 Unknown_Attribute 0x0032 000 000 000 Old_age Always - 0
174 Unknown_Attribute 0x0030 000 000 000 Old_age Offline - 15
177 Wear_Leveling_Count 0x0000 000 000 000 Old_age Offline - 0
181 Program_Fail_Cnt_Total 0x0032 000 000 000 Old_age Always - 0
182 Erase_Fail_Count_Total 0x0032 000 000 000 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
194 Temperature_Celsius 0x0022 031 034 000 Old_age Always - 31 (Lifetime Min/Max 22/34)
195 Hardware_ECC_Recovered 0x001c 100 100 000 Old_age Offline - 0
196 Reallocated_Event_Count 0x0033 100 100 003 Pre-fail Always - 0
201 Soft_Read_Error_Rate 0x001c 100 100 000 Old_age Offline - 0
204 Soft_ECC_Correction 0x001c 100 100 000 Old_age Offline - 0
230 Head_Amplitude 0x0013 100 100 000 Pre-fail Always - 100
231 Temperature_Celsius 0x0013 100 100 010 Pre-fail Always - 0
233 Media_Wearout_Indicator 0x0000 000 000 000 Old_age Offline - 11
234 Unknown_Attribute 0x0032 000 000 000 Old_age Always - 19
241 Total_LBAs_Written 0x0032 000 000 000 Old_age Always - 19
242 Total_LBAs_Read 0x0032 000 000 000 Old_age Always - 10