On Sun, Aug 26, 2012 at 09:58:14AM -0700, Matthew Dillon wrote: > Also note that you may be able to get more detailed information > on the problem using smartctl: > > pkg_radd smartmontools > > smartctl -d sat -a /dev/daXXX (where daXXX is the correct device for > the SSD). > > In particular look at the wear indicator, which is typically attribute > 233, > and available reserved space, which is typically attribute 232 (but it > depends on the SSD). > > -Matt
Thanks for the hints. But I have no idea how to interpret the values. smartctl -H -d sat /dev/da2 says all tests passed. Can someone explain how to interpret the values? Below is the output of smartctl -a -d sat /dev/da2 which is my OCZ SSD. Thanks a lot. Sven smartctl 5.40 2010-10-16 r3189 [DragonFly 3.0-RELEASE x86_64] (local build) Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net === START OF INFORMATION SECTION === Model Family: SandForce Driven SSDs Device Model: OCZ-VERTEX2 Serial Number: OCZ-CU25VMZ6117F3NFM Firmware Version: 1.29 User Capacity: 60,022,480,896 bytes Device is: In smartctl database [for details use: -P show] ATA Version is: 8 ATA Standard is: ATA-8-ACS revision 6 Local Time is: Tue Sep 11 21:45:48 2012 CEST SMART support is: Available - device has SMART capability. SMART support is: Enabled === START OF READ SMART DATA SECTION === Error SMART Status command failed Please get assistance from http://smartmontools.sourceforge.net/ Register values returned from SMART Status command are: ERR=...., SC=...., LL=...., LM=...., LH=...., DEV=...., STS=.... SMART overall-health self-assessment test result: PASSED Warning: This result is based on an Attribute check. 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: (0x7f) SMART execute Offline immediate. Auto Offline data collection on/off support. Abort Offline collection upon new command. 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: ( 48) minutes. Conveyance self-test routine recommended polling time: ( 2) 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: 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 110 102 050 Pre-fail Always - 0/32677182 5 Retired_Block_Count 0x0033 100 100 003 Pre-fail Always - 0 9 Power_On_Hours_and_Msec 0x0032 100 100 000 Old_age Always - 681h+41m+10.690s 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 387 171 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 172 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 174 Unexpect_Power_Loss_Ct 0x0030 000 000 000 Old_age Offline - 156 177 Wear_Range_Delta 0x0000 000 000 000 Old_age Offline - 0 181 Program_Fail_Count 0x0032 000 000 000 Old_age Always - 0 182 Erase_Fail_Count 0x0032 000 000 000 Old_age Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 194 Temperature_Celsius 0x0022 030 129 000 Old_age Always - 30 (Min/Max 30/30) 195 ECC_Uncorr_Error_Count 0x001c 110 102 000 Old_age Offline - 0/32677182 196 Reallocated_Event_Count 0x0033 100 100 000 Pre-fail Always - 0 231 SSD_Life_Left 0x0013 100 100 010 Pre-fail Always - 0 233 SandForce_Internal 0x0000 000 000 000 Old_age Offline - 192 234 SandForce_Internal 0x0032 000 000 000 Old_age Always - 384 241 Lifetime_Writes_GiB 0x0032 000 000 000 Old_age Always - 384 242 Lifetime_Reads_GiB 0x0032 000 000 000 Old_age Always - 576 Error SMART Error Log Read failed: Input/output error Smartctl: SMART Error Log Read Failed Error SMART Error Self-Test Log Read failed: Input/output error Smartctl: SMART Self Test Log Read Failed 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.
