Confused monitoring my SSD's health
Sylvain Utard <[email protected]>
| Newsgroups | gmane.linux.utilities.smartmontools |
|---|---|
| Message-ID | <[email protected]> |
Hi guys, I'm a bit lost trying to monitor the health a my SSD drives. I read a lot of blog posts about it but I'm still confused about how to interpret what appears to be "important metrics" like Reallocated_Sector_Ct and Media_Wearout_Indicator. Could you guys help me analyze this SMART output? How would you monitor a drive's health automatically? In an ideal world, I want to plug a probe that would trigger an alert if the disk should be changed. Thank you very much for your help! ============================================================== === START OF INFORMATION SECTION === Device Model: INTEL SSDSC2BB300G4 Serial Number: BTWL313400P8300PGN LU WWN Device Id: 5 001517 8f35f82c9 Firmware Version: D2010350 User Capacity: 300,069,052,416 bytes [300 GB] Sector Size: 512 bytes logical/physical Device is: Not in smartctl database [for details use: -P showall] ATA Version is: 8 ATA Standard is: ATA-8-ACS revision 4 Local Time is: Tue Jun 10 10:52:30 2014 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 Warning: This result is based on an Attribute check. General SMART Values: Offline data collection status: (0x02) Offline data collection activity was completed without error. 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: ( 2) seconds. Offline data collection capabilities: (0x79) SMART execute Offline immediate. No Auto Offline data collection support. Suspend 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: ( 2) 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: 1 Vendor Specific SMART Attributes with Thresholds: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 5 Reallocated_Sector_Ct 0x0032 097 097 000 Old_age Always - 8 9 Power_On_Hours 0x0032 100 100 000 Old_age Always - 7975 12 Power_Cycle_Count 0x0032 100 100 000 Old_age Always - 12 170 Unknown_Attribute 0x0033 099 099 010 Pre-fail Always - 0 171 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 7 172 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 0 174 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 9 175 Program_Fail_Count_Chip 0x0033 100 100 010 Pre-fail Always - 206269710972 183 Runtime_Bad_Block 0x0032 100 100 000 Old_age Always - 0 184 End-to-End_Error 0x0033 100 100 090 Pre-fail Always - 0 187 Reported_Uncorrect 0x0032 100 100 000 Old_age Always - 0 190 Airflow_Temperature_Cel 0x0022 073 062 000 Old_age Always - 27 (Min/Max 9/39) 192 Power-Off_Retract_Count 0x0032 100 100 000 Old_age Always - 9 194 Temperature_Celsius 0x0022 100 100 000 Old_age Always - 27 197 Current_Pending_Sector 0x0032 100 100 000 Old_age Always - 0 199 UDMA_CRC_Error_Count 0x003e 100 100 000 Old_age Always - 0 225 Load_Cycle_Count 0x0032 100 100 000 Old_age Always - 15146712 226 Load-in_Time 0x0032 100 100 000 Old_age Always - 65535 227 Torq-amp_Count 0x0032 100 100 000 Old_age Always - 4294967295 228 Power-off_Retract_Count 0x0032 100 100 000 Old_age Always - 65535 232 Available_Reservd_Space 0x0033 099 099 010 Pre-fail Always - 0 233 Media_Wearout_Indicator 0x0032 001 001 000 Old_age Always - 0 234 Unknown_Attribute 0x0032 100 100 000 Old_age Always - 0 241 Total_LBAs_Written 0x0032 100 100 000 Old_age Always - 15146712 242 Total_LBAs_Read 0x0032 100 100 000 Old_age Always - 104922 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 Short offline Completed without error 00% 722 - # 2 Short offline Completed without error 00% 718 - # 3 Short offline Completed without error 00% 717 - # 4 Short offline Completed without error 00% 717 - # 5 Short offline Completed without error 00% 27 - # 6 Short offline Completed without error 00% 22 - # 7 Short offline Completed without error 00% 21 - # 8 Short offline Completed without error 00% 21 - # 9 Short offline Completed without error 00% 8 - #10 Short offline Completed without error 00% 6 - #11 Short offline Completed without error 00% 6 - #12 Short offline Completed without error 00% 1 - 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. ============================================================== -- Sylvain Utard VP of Engineering +1 (415) 712-0091 | +33 6 15 14 27 47 | @sylvainutard ------------------------------------------------------------------------------ HPCC Systems Open Source Big Data Platform from LexisNexis Risk Solutions Find What Matters Most in Your Big Data with HPCC Systems Open Source. Fast. Scalable. Simple. Ideal for Dirty Data. Leverages Graph Analysis for Fast Processing & Easy Data Exploration http://p.sf.net/sfu/hpccsystems