Hi,
here goes a report. And a call to action.
After 325 hours of desktop use overall 105 times more
bytes have been erased than have been written.
Which is excessive.
I'd be happy if someone would either confirm or disprove
this finding. To help tracking this down I added a script
which hourly records the status of the disk:
smartctl -a /dev/sda | gzip >/tmp/smartctl_`date -u +%Y%m%d_%H%M`.txt.gz
If you care (and have a disk with indilinx controller),
please consider adding this as /etc/cron.hourly/smartctl
And report back.
(hourly data collected here is happily available on request)
I would like to keep discussion here, because
a) the expertise is here,
b) the adequate tool is here (no screenshots from one
or the other Windows application),
c) the perceived problem would likely affect SSDs from
different vendors and
d) I trust mail much more than vendor forums(*)
Please help track this down.
Greetings,
Frieder
(*) To me the Super Talent forum seems to show indicators of
censorship:
Lookup the topics "1916 CG firmware an Linux"
(bart3005 Wed Mar 03, 2010 7:25 am) or
"AS SSD Benchmark" (i3m Sat Jan 23, 2010 12:28 am) at:
http://supertalent.com/home/forum/viewforum.php?f=40
For the first topic no posts are shown at all.
For the second topic only 2 posts are shown while the
forum software indicates that there have been more
than 10 postings.
smartctl 5.40 2010-04-01 r3080M [x86_64-suse-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF INFORMATION SECTION ===
Model Family: SuperTalent UltraDrive GX SSD
Device Model: STT_FTM64GX25H
Serial Number: P612102-MIBY-208A052
Firmware Version: 1916
User Capacity: 64,023,257,088 bytes
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: Mon Apr 26 17:30:01 2010 CEST
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: ( 0) seconds.
Offline data collection
capabilities: (0x1d) SMART execute Offline immediate.
No Auto Offline data collection support.
Abort Offline collection upon new
command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
No Selective Self-test supported.
SMART capabilities: (0x0003) Saves SMART data before entering
power-saving mode.
Supports SMART auto save timer.
Error logging capability: (0x00) Error logging NOT supported.
General Purpose Logging supported.
Short self-test routine
recommended polling time: ( 0) minutes.
Extended self-test routine
recommended polling time: ( 0) minutes.
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 0x0000 --- --- --- Old_age Offline
- 6
9 Power_On_Hours 0x0000 --- --- --- Old_age Offline
- 325
12 Power_Cycle_Count 0x0000 --- --- --- Old_age Offline
- 100
184 Initial_Bad_Block_Count 0x0000 --- --- --- Old_age Offline
- 93
195 Program_Failure_Blk_Ct 0x0000 --- --- --- Old_age Offline
- 0
196 Erase_Failure_Blk_Ct 0x0000 --- --- --- Old_age Offline
- 0
197 Read_Failure_Blk_Ct 0x0000 --- --- --- Old_age Offline
- 0
198 Read_Sectors_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 301272069
199 Write_Sectors_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 236842300
200 Read_Commands_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 5792122
201 Write_Commands_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 4365424
202 Error_Bits_Flash_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 1188573
203 Corr_Read_Errors_Tot_Ct 0x0000 --- --- --- Old_age Offline
- 910427
204 Bad_Block_Full_Flag 0x0000 --- --- --- Old_age Offline
- 0
205 Max_PE_Count_Spec 0x0000 --- --- --- Old_age Offline
- 10000
206 Min_Erase_Count 0x0000 --- --- --- Old_age Offline
- 1
207 Max_Erase_Count 0x0000 --- --- --- Old_age Offline
- 632
208 Average_Erase_Count 0x0000 --- --- --- Old_age Offline
- 200
209 Remaining_Lifetime_Perc 0x0000 --- --- --- Old_age Offline
- 98
211 Unknown_Attribute 0x0000 --- --- --- Old_age Offline
- 0
212 Unknown_Attribute 0x0000 --- --- --- Old_age Offline
- 0
213 Unknown_Attribute 0x0000 --- --- --- Old_age Offline
- 0
Warning: device does not support Error Logging
Warning! SMART ATA Error Log Structure error: invalid SMART checksum.
SMART Error Log Version: 1
No Errors Logged
Warning! SMART Self-Test Log Structure error: invalid SMART checksum.
SMART Self-test log structure revision number 1
No self-tests have been logged. [To run self-tests, use: smartctl -t]
Device does not support Selective Self Tests/Logging
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