Ho appena comprato un nuovo hard disk (arrivato ieri), ho fatto un test completo tramite SMART (sia il test breve, che quello lungo non mi sembra che abbiano rilevato problemi, o perlomeno lo stato del disco risulta ok), e ora ci sto copiando i dati dal vecchio hard disk.
La cosa che mi insospettisce è che, mentre copio (apparentemente senza problemi) i files, il comando
$ dmesg -wevidenzia diversi errori del tipo
res 40/00:68:00:e8:73/00:00:74:00:00/40 Emask 0x10 (ATA bus error)
2796.761179] ata1.00: status: { DRDY }
2796.761180] ata1.00: failed command: WRITE FPDMA QUEUED
2796.761184] ata1.00: cmd 61/00:58:00:e0:73/04:00:74:00:00/40 tag 11 ncq 52428
o
res 40/00:48:00:34:33/00:00:96:00:00/40 Emask 0x10 (ATA bus error)
4920.902369] ata1.00: status: { DRDY }
4920.902372] ata1: hard resetting link
4921.363030] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
4921.366734] ata1.00: configured for UDMA/133
4921.366878] ata1: EH complete
Non è una cosa continua, ma ne ho rilevati diversi.
Devo pensare che l’hard disk sia difettoso?
Riporto l’output di smartctl:
[code]# smartctl -a /dev/sda
smartctl 6.2 2014-07-16 r3952 [x86_64-linux-3.17.2-200.fc20.x86_64] (local build)
Copyright © 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Family: Seagate Desktop HDD.15
Device Model: ST4000DM000-1F2168
Serial Number: Z3029HVF
LU WWN Device Id: 5 000c50 0792e018c
Firmware Version: CC52
User Capacity: 4,000,787,030,016 bytes [4,00 TB]
Sector Sizes: 512 bytes logical, 4096 bytes physical
Rotation Rate: 5900 rpm
Device is: In smartctl database [for details use: -P show]
ATA Version is: ATA8-ACS T13/1699-D revision 4
SATA Version is: SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is: Thu Nov 20 12:31:57 2014 CET
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: ( 107) seconds.
Offline data collection
capabilities: (0x73) SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new
command.
No Offline surface scan supported.
Self-test supported.
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: ( 1) minutes.
Extended self-test routine
recommended polling time: ( 529) minutes.
Conveyance self-test routine
recommended polling time: ( 2) minutes.
SCT capabilities: (0x1085) SCT Status supported.
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 103 099 006 Pre-fail Always - 5960632
3 Spin_Up_Time 0x0003 096 096 000 Pre-fail Always - 0
4 Start_Stop_Count 0x0032 100 100 020 Old_age Always - 4
5 Reallocated_Sector_Ct 0x0033 100 100 010 Pre-fail Always - 0
7 Seek_Error_Rate 0x000f 100 253 030 Pre-fail Always - 78688
9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 15
10 Spin_Retry_Count 0x0013 100 100 097 Pre-fail Always - 0
12 Power_Cycle_Count 0x0032 100 100 020 Old_age Always - 4
183 Runtime_Bad_Block 0x0032 099 099 000 Old_age Always - 1
184 End-to-End_Error 0x0032 100 100 099 Old_age Always - 0
187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0
188 Command_Timeout 0x0032 100 100 000 Old_age Always - 0 0 0
189 High_Fly_Writes 0x003a 100 100 000 Old_age Always - 0
190 Airflow_Temperature_Cel 0x0022 070 068 045 Old_age Always - 30 (Min/Max 26/31)
191 G-Sense_Error_Rate 0x0032 100 100 000 Old_age Always - 0
192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 0
193 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 32
194 Temperature_Celsius 0x0022 030 040 000 Old_age Always - 30 (0 21 0 0 0)
197 Current_Pending_Sector 0x0012 100 100 000 Old_age Always - 0
198 Offline_Uncorrectable 0x0010 100 100 000 Old_age Offline - 0
199 UDMA_CRC_Error_Count 0x003e 200 200 000 Old_age Always - 14
240 Head_Flying_Hours 0x0000 100 253 000 Old_age Offline - 13h+29m+41.227s
241 Total_LBAs_Written 0x0000 100 253 000 Old_age Offline - 2369657232
242 Total_LBAs_Read 0x0000 100 253 000 Old_age Offline - 420445
SMART Error Log Version: 1
No Errors Logged
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
1 Extended offline Completed without error 00% 9 -
2 Extended offline Interrupted (host reset) 00% 0 -
3 Short offline Completed without error 00% 0 -
4 Extended offline Interrupted (host reset) 00% 0 -
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.[/code]