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Ticket | Resolution | Summary | Owner | Reporter |
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#658 | wontfix | Many (long) HDD default timeouts cause data loss or corruption (silent controller resets) | ||
Description |
The default error correction timeouts of many HDDs cause data loss or corruption (so long or disabled that the controller hard resets the drives instead of only marking single blocks as bad). And the smartctl utility is the place to adjust the "scterc" timeouts of HDDs. Please ship the provided scripts and default udev rule with the smartmontools package, so that they try to configure safe timeouts, depending on the drives capabilities, usage and configuration. The problem with mismatching default timeouts surfaced through repeated reports about drives being droped from raid arrays, and about a high rate of unrecoverable errors occuring during raid-reconstruction, on the linux-raid mailinglist, but the problem is not limited to redundant disk setups. Many experienced "disk failures" are probably just failures due to mismatched recovery timeout settings. (The scripts have been posted upstream without response, but it is still a distro resposibility to ensure that installations will have safe defaults. Note that the provided udev rules specific to mdadm are only to be included in the mdadm package.) RATIONALE The error recovery (ERC) time of a drive *must* be shorter than the controller timeout. Otherwise read errors will cause controller resets, leading to direct data loss or, if it is a redundant disk, loss of redundancy and a very high probability of another read error and data loss when re-establishing the redundancy. If a drive does not support adjusting its ERC timeout, the controller timeout must be increased above the drive's maximal error recovery time. If you don't want that kind of long device timeout, you should look for a drive with SCT ERC timeout support. (smartctl -l scterc /dev/...) The files are attached at: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780162 |
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#797 | fixed | MKNSSDRE256GB Mushkin SSD drive not in the database | ||
Description |
See attachment. |
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#905 | fixed | smartctl does not find MKNSSDTR500GB | ||
Description |
On debian 8.9, jessie: root@jhegaala:~/smartmontools# ./smartctl -i /dev/sda smartctl 6.6 2017-10-01 r4501 [x86_64-linux-4.9.0-0.bpo.3-amd64] (local build) Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Device Model: MKNSSDTR500GB Serial Number: MK161018100307954 LU WWN Device Id: 5 888914 307954000 Firmware Version: O1126A User Capacity: 500,107,862,016 bytes [500 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Device is: Not in smartctl database [for details use: -P showall] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Sun Oct 1 11:52:23 2017 MDT SMART support is: Available - device has SMART capability. SMART support is: Enabled root@jhegaala:~/smartmontools# ./smartctl -q noserial -x /dev/sda smartctl 6.6 2017-10-01 r4501 [x86_64-linux-4.9.0-0.bpo.3-amd64] (local build) Copyright (C) 2002-17, Bruce Allen, Christian Franke, www.smartmontools.org === START OF INFORMATION SECTION === Device Model: MKNSSDTR500GB Firmware Version: O1126A User Capacity: 500,107,862,016 bytes [500 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Device is: Not in smartctl database [for details use: -P showall] ATA Version is: ACS-2 (minor revision not indicated) SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Sun Oct 1 12:07:04 2017 MDT SMART support is: Available - device has SMART capability. SMART support is: Enabled AAM feature is: Unavailable APM feature is: Unavailable Rd look-ahead is: Enabled Write cache is: Enabled DSN feature is: Unavailable ATA Security is: Disabled, NOT FROZEN [SEC1] Write SCT (Get) Feature Control Command failed: scsi error badly formed scsi parameters Wt Cache Reorder: Unknown (SCT Feature Control command failed) === START OF READ SMART DATA SECTION === SMART overall-health self-assessment test result: PASSED General SMART Values: Offline data collection status: (0x04) Offline data collection activity was suspended by an interrupting command from host. 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: ( 171) seconds. Offline data collection capabilities: (0x71) SMART execute Offline immediate. No Auto Offline data collection 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: (0x0002) Does not save 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: ( 1) minutes. SCT capabilities: (0x0035) SCT Status 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 FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate ------ 100 100 000 - 0 5 Reallocated_Sector_Ct ------ 100 100 000 - 0 9 Power_On_Hours ------ 100 100 000 - 902 12 Power_Cycle_Count ------ 100 100 000 - 212 160 Unknown_Attribute ------ 100 100 000 - 0 161 Unknown_Attribute ------ 100 100 000 - 98 163 Unknown_Attribute ------ 100 100 000 - 22 164 Unknown_Attribute ------ 100 100 000 - 7087 165 Unknown_Attribute ------ 100 100 000 - 25 166 Unknown_Attribute ------ 100 100 000 - 2 167 Unknown_Attribute ------ 100 100 000 - 5 168 Unknown_Attribute ------ 100 100 000 - 1000 169 Unknown_Attribute ------ 100 100 000 - 100 175 Program_Fail_Count_Chip ------ 100 100 000 - 0 176 Erase_Fail_Count_Chip ------ 100 100 000 - 0 177 Wear_Leveling_Count ------ 100 100 050 - 9 178 Used_Rsvd_Blk_Cnt_Chip ------ 100 100 000 - 0 181 Program_Fail_Cnt_Total ------ 100 100 000 - 0 182 Erase_Fail_Count_Total ------ 100 100 000 - 0 192 Power-Off_Retract_Count ------ 100 100 000 - 1 194 Temperature_Celsius ------ 100 100 000 - 22 195 Hardware_ECC_Recovered ------ 100 100 000 - 0 196 Reallocated_Event_Count ------ 100 100 016 - 0 197 Current_Pending_Sector ------ 100 100 000 - 0 198 Offline_Uncorrectable ------ 100 100 000 - 0 199 UDMA_CRC_Error_Count ------ 100 100 050 - 0 232 Available_Reservd_Space ------ 100 100 000 - 100 241 Total_LBAs_Written ------ 100 100 000 - 81822 242 Total_LBAs_Read ------ 100 100 000 - 267695 245 Unknown_Attribute ------ 100 100 000 - 56696 ||||||_ K auto-keep |||||__ C event count ||||___ R error rate |||____ S speed/performance ||_____ O updated online |______ P prefailure warning General Purpose Log Directory Version 1 SMART Log Directory Version 1 [multi-sector log support] Address Access R/W Size Description 0x00 GPL,SL R/O 1 Log Directory 0x01 SL R/O 1 Summary SMART error log 0x02 SL R/O 1 Comprehensive SMART error log 0x03 GPL R/O 1 Ext. Comprehensive SMART error log 0x04 GPL,SL R/O 8 Device Statistics log 0x06 SL R/O 1 SMART self-test log 0x07 GPL R/O 1 Extended self-test log 0x09 SL R/W 1 Selective self-test log 0x10 GPL R/O 1 NCQ Command Error log 0x11 GPL R/O 1 SATA Phy Event Counters log 0x24 GPL R/O 88 Current Device Internal Status Data log 0x25 GPL R/O 64 Saved Device Internal Status Data log 0x30 GPL,SL R/O 9 IDENTIFY DEVICE data log 0x80-0x9f GPL,SL R/W 16 Host vendor specific log SMART Extended Comprehensive Error Log Version: 1 (1 sectors) No Errors Logged SMART Extended Self-test Log Version: 1 (1 sectors) Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Offline Completed without error 00% 902 - # 2 Offline Completed without error 00% 902 - # 3 Offline Completed without error 00% 902 - # 4 Offline Completed without error 00% 902 - # 5 Offline Completed without error 00% 902 - # 6 Offline Completed without error 00% 902 - # 7 Offline Completed without error 00% 902 - # 8 Offline Completed without error 00% 768 - # 9 Offline Completed without error 00% 134 - #10 Offline Completed without error 00% 902 - #11 Offline Completed without error 00% 901 - #12 Offline Completed without error 00% 901 - #13 Offline Completed without error 00% 901 - #14 Offline Completed without error 00% 901 - #15 Offline Completed without error 00% 901 - #16 Offline Completed without error 00% 901 - #17 Offline Completed without error 00% 901 - #18 Offline Completed without error 00% 901 - 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 6 0 65535 Read_scanning was suspended by an interrupting command from host 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. SCT Status Version: 3 SCT Version (vendor specific): 0 (0x0000) SCT Support Level: 0 Device State: Active (0) Current Temperature: 0 Celsius Power Cycle Min/Max Temperature: -1/ 0 Celsius Lifetime Min/Max Temperature: 0/ 0 Celsius Under/Over Temperature Limit Count: 0/0 SCT Temperature History Version: 2 Temperature Sampling Period: 1 minute Temperature Logging Interval: 1 minute Min/Max recommended Temperature: 0/100 Celsius Min/Max Temperature Limit: 0/100 Celsius Temperature History Size (Index): 128 (1) Index Estimated Time Temperature Celsius 2 2017-10-01 10:00 0 - ... ..(124 skipped). .. - 127 2017-10-01 12:05 0 - 0 2017-10-01 12:06 22 *** 1 2017-10-01 12:07 0 - SCT Error Recovery Control command not supported Device Statistics (GP Log 0x04) Page Offset Size Value Flags Description 0x01 ===== = = === == General Statistics (rev 2) == 0x01 0x008 4 212 --- Lifetime Power-On Resets 0x01 0x010 4 902 --- Power-on Hours 0x01 0x018 6 1067351764 --- Logical Sectors Written 0x01 0x020 6 124819214 --- Number of Write Commands 0x01 0x028 6 363839191 --- Logical Sectors Read 0x01 0x030 6 134848014 --- Number of Read Commands 0x04 ===== = = === == General Errors Statistics (rev 1) == 0x04 0x008 4 0 --- Number of Reported Uncorrectable Errors 0x04 0x010 4 1119893 --- Resets Between Cmd Acceptance and Completion 0x06 ===== = = === == Transport Statistics (rev 1) == 0x06 0x008 4 1363 --- Number of Hardware Resets 0x06 0x018 4 0 --- Number of Interface CRC Errors 0x07 ===== = = === == Solid State Device Statistics (rev 1) == 0x07 0x008 1 0 --- Percentage Used Endurance Indicator |||_ C monitored condition met ||__ D supports DSN |___ N normalized value SATA Phy Event Counters (GP Log 0x11) ID Size Value Description 0x0001 2 0 Command failed due to ICRC error 0x0002 2 0 R_ERR response for data FIS 0x0003 2 0 R_ERR response for device-to-host data FIS 0x0004 2 0 R_ERR response for host-to-device data FIS 0x0005 2 0 R_ERR response for non-data FIS 0x0006 2 0 R_ERR response for device-to-host non-data FIS 0x0007 2 0 R_ERR response for host-to-device non-data FIS 0x0008 2 0 Device-to-host non-data FIS retries 0x0009 2 0 Transition from drive PhyRdy to drive PhyNRdy 0x000a 2 3 Device-to-host register FISes sent due to a COMRESET 0x000b 2 0 CRC errors within host-to-device FIS 0x000d 2 0 Non-CRC errors within host-to-device FIS 0x000f 2 0 R_ERR response for host-to-device data FIS, CRC 0x0010 2 0 R_ERR response for host-to-device data FIS, non-CRC 0x0012 2 0 R_ERR response for host-to-device non-data FIS, CRC 0x0013 2 0 R_ERR response for host-to-device non-data FIS, non-CRC root@jhegaala:~/smartmontools# |