Похоже, диск исправен. Ещё заметил одну странную вещь. У меня ноутбук. Так вот, похоже, что проблема появляется только если он был подключён к розетке во время включения.
sudo hdparm -tT /dev/sda
/dev/sda:
Timing cached reads: 5030 MB in 2.00 seconds = 2515.96 MB/sec
Timing buffered disk reads: 238 MB in 3.02 seconds = 78.82 MB/sec
sudo smartctl --all /dev/sda
smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-24-generic] (local build)
Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: Toshiba 2.5" HDD MK..65GSX
Device Model: TOSHIBA MK5065GSX
LU WWN Device Id: 5 000039 236b04ca4
Firmware Version: GJ002H
User Capacity: 500 107 862 016 bytes [500 GB]
Sector Size: 512 bytes logical/physical
Device is: In smartctl database [for details use: -P show]
ATA Version is: 8
ATA Standard is: Exact ATA specification draft version not indicated
Local Time is: Wed May 9 12:32:51 2012 MSK
SMART support is: Available - device has SMART capability.
SMART support is: Enabled
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
General SMART Values:
Offline data collection status: (0x00) Offline data collection activity
was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status: ( 0) The previous self-test routine completed
without error or no self-test has ever
been run.
Total time to complete Offline
data collection: ( 120) seconds.
Offline data collection
capabilities: (0x5b) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x01) Error logging supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 2) minutes.
Extended self-test routine
recommended polling time: ( 175) minutes.
SCT capabilities: (0x003d) SCT Status supported.
SCT Error Recovery Control supported.
SCT Feature Control supported.
SCT Data Table supported.
SMART Attributes Data Structure revision number: 16
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE
1 Raw_Read_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
2 Throughput_Performance 0x0005 100 100 050 Pre-fail Offline - 0
3 Spin_Up_Time 0x0027 100 100 001 Pre-fail Always - 1957
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always - 1694
5 Reallocated_Sector_Ct 0x0033 100 100 050 Pre-fail Always - 94
7 Seek_Error_Rate 0x000b 100 100 050 Pre-fail Always - 0
8 Seek_Time_Performance 0x0005 100 100 050 Pre-fail Offline - 0
9 Power_On_Hours 0x0032 097 097 000 Old_age Always - 1302
10 Spin_Retry_Count 0x0033 133 100 030 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 1592
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 14
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 27
193 Load_Cycle_Count 0x0032 098 098 000 Old_age Always - 29851
194 Temperature_Celsius 0x0022 100 100 000 Old_age Always - 33 (Min/Max 20/51)
196 Reallocated_Event_Count 0x0032 100 100 000 Old_age Always - 29
197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0030 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x0032 200 200 000 Old_age Always - 0
220 Disk_Shift 0x0002 100 100 000 Old_age Always - 8269
222 Loaded_Hours 0x0032 098 098 000 Old_age Always - 957
223 Load_Retry_Count 0x0032 100 100 000 Old_age Always - 0
224 Load_Friction 0x0022 100 100 000 Old_age Always - 0
226 Load-in_Time 0x0026 100 100 000 Old_age Always - 233
240 Head_Flying_Hours 0x0001 100 100 001 Pre-fail Offline - 0
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
SMART Selective self-test log data structure revision number 1
SPAN MIN_LBA MAX_LBA CURRENT_TEST_STATUS
1 0 0 Not_testing
2 0 0 Not_testing
3 0 0 Not_testing
4 0 0 Not_testing
5 0 0 Not_testing
Selective self-test flags (0x0):
After scanning selected spans, do NOT read-scan remainder of disk.
If Selective self-test is pending on power-up, resume after 0 minute delay.